EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                        Region: System      Page:  1.  1

Regional Summary Report

NOTES:

       1. Year 2026 is the End-Year and should not be used for analysis.

                                          2007      2010      2015      2020      2026

--------------------------------------  --------  --------  --------  --------  --------

1. Reserve Margin Capacity WINTER   [MW] 905615.   912723.   946296.  1014647.  1109830.

    Plus Firm Purchases [MW]                  0.        0.        0.        0.        0.

    Plus Transmission In WINTER   [MW]     6276.     6690.     5275.     4727.     6473.

--------------------------------------  --------  --------  --------  --------  --------

   Total R.M. Capacity WINTER   [MW]     911891.   919413.   951571.  1019375.  1116303.

--------------------------------------  --------  --------  --------  --------  --------

2. Peak Load WINTER   [MW]               649218.   681168.   729980.   785419.   858870.

    Less DSM [MW]                             0.        0.        0.        0.        0.

    Plus Firm Sales [MW]                      0.        0.        0.        0.        0.

    Plus Transmission Out WINTER   [MW]    6404.     6826.     5382.     4824.     6605.

--------------------------------------  --------  --------  --------  --------  --------

   Net Demand WINTER   [MW]              655622.   687994.   735362.   790243.   865475.

3. Reserve Margin WINTER   [%]               39.       34.       30.       29.       29.

--------------------------------------  --------  --------  --------  --------  --------

1. Reserve Margin Capacity SUMMER   [MW] 905615.   912723.   946296.  1014647.  1109830.

    Plus Firm Purchases [MW]                  0.        0.        0.        0.        0.

    Plus Transmission In SUMMER   [MW]    29533.    30188.    38771.    28035.    31641.

--------------------------------------  --------  --------  --------  --------  --------

   Total R.M. Capacity SUMMER   [MW]     935148.   942911.   985067.  1042683.  1141471.

--------------------------------------  --------  --------  --------  --------  --------

2. Peak Load SUMMER   [MW]               724778.   761827.   817715.   881026.   965091.

    Less DSM [MW]                             0.        0.        0.        0.        0.

    Plus Firm Sales [MW]                      0.        0.        0.        0.        0.

    Plus Transmission Out SUMMER   [MW]   30136.    30804.    39562.    28607.    32287.

--------------------------------------  --------  --------  --------  --------  --------

   Net Demand SUMMER   [MW]              754914.   792630.   857277.   909633.   997378.

3. Reserve Margin SUMMER   [%]               25.       20.       16.       15.       15.

--------------------------------------  --------  --------  --------  --------  --------

4. Generation [GWh]                     4013234.  4188320.  4498283.  4845594.  5310269.

     Inter-Region Transmission [GWh]     -11507.   -11218.    -9694.    -8275.    -8512.

     Pumping & Storage Losses [GWh]       22655.    19567.    22691.    20926.    23206.

     Plus Purchases [GWh]                     0.        0.        0.        0.        0.

     Less Sales [GWh]                         0.        0.        0.        0.        0.

--------------------------------------  --------  --------  --------  --------  --------

5. Total Supply for Demand [GWh]        3979073.  4157535.  4465898.  4816394.  5278551.

--------------------------------------  --------  --------  --------  --------  --------

6. Projected Demand [GWh]               3979073.  4157535.  4465898.  4816394.  5278551.

    Energy Not Served [GWh]                   0.        0.        0.        0.        0.

    Less DSM [GWh]                            0.        0.        0.        0.        0.

--------------------------------------  --------  --------  --------  --------  --------

   Net Demand [GWh]                     3979073.  4157535.  4465898.  4816394.  5278551.

7. Dumped Energy [GWh]                        0.        0.        0.        0.        0.

--------------------------------------  --------  --------  --------  --------  --------

8. Total Supply for Demand [GWh]        3979073.  4157535.  4465898.  4816394.  5278551.

     Less T&D Losses [GWh]               305718.   319430.   343122.   370051.   405559.

--------------------------------------  --------  --------  --------  --------  --------

9. Total Sales [GWh]                    3673355.  3838105.  4122776.  4446343.  4872992.

Capacity Avoided Costs [US$/kW]           2007      2010      2015      2020      2026

--------------------------------------  --------  --------  --------  --------  --------

WINTER                                      0.00      0.00      0.00      0.00      0.00

SUMMER                                      1.02      0.51     32.95     35.56     33.72

10. Capacity by Plant Type [MW]           2007      2010      2015      2020      2026

--------------------------------------  --------  --------  --------  --------  --------

Scrubbed Coal_SCR              1          30480.    31861.    31863.    47940.    85228.

Scrubbed Coal_SNCR             2           2280.     1950.     1950.     1950.     1806.

Scrubbed Coal_NOx              3              0.        0.        0.        0.        0.

Scrubbed Coal                  4          63809.    49805.    44566.    41930.    33051.

Unscrubbed Coal_SCR            5          50663.    22871.    11303.     5433.     5173.

Unscrubbed Coal_SNCR           6           7457.     5448.     3325.     3325.     2439.

Unscrubbed Coal_NOx            7              0.        0.        0.        0.        0.

Unscrubbed Coal                8         122135.   105794.    73184.    56664.    36050.

Oil/Gas Steam                  9          76113.    74502.    74502.    74502.    74502.

Oil/Gas Steam_SCR             10           8197.     5588.     5588.     5588.     5588.

Oil/Gas Steam_NOx             11            544.      544.      544.      544.      544.

Nuclear                       12         100221.   100571.   102123.   102603.   102603.

Hydro                         13          89877.    89877.    89877.    89877.    89877.

Comb.Cycle Gas                14         147037.   148511.   180370.   208676.   226788.

IGCC                          15            612.      612.      612.     8722.    28604.

Combustion Turbine            16         130223.   129970.   130460.   145972.   163826.

Biomass                       17           1358.     1456.     1456.     1456.     1456.

Geothermal                    18           3165.     3289.     3399.     3399.     3399.

Landfill Gas                  19            549.      581.     1003.     1075.     1075.

Wind                          20           6896.     7218.     7297.     7297.     7312.

Fuel Cell                     21              0.        0.        0.        0.        0.

Solar                         22            449.      465.      494.      494.      494.

Non Fossil_Other              23           2173.     2207.     2207.     2207.     2207.

Fossil_Other                  24            566.      566.      566.      566.      566.

Pump Storage                  25          19766.    19766.    19766.    19766.    19766.

Int. Imports                  26           9000.     9000.     9000.     9000.     9000.

Cgn_CT                        27           5542.     5542.     5542.     5542.     5542.

Cgn_CC                        28          17845.    17836.    17836.    17833.    17833.

Cgn_Oil/Gas Steam             29            572.      333.      333.      333.      333.

Cgn_Biomass                   30            366.      366.      366.      366.      366.

Cgn_Fossil_Other              31            361.      361.      361.      361.      361.

Cgn_NonFossil_Other           32            314.      314.      314.      314.      314.

Distributed Generation        33              0.        0.        0.        0.        0.

Rep.Coal-CC                   34              0.      915.      915.      915.      915.

Rep.O/G-CC                    35              0.     8403.     8403.     8404.     8404.

Rep.Coal-IGCC                 36              0.      295.      318.      318.      318.

Ret.Scrubber                  37           1707.     3328.    14435.    16913.    14884.

Ret.ExistSCR & Scrub          38           3410.    30618.    41943.    47635.    46232.

Ret.ExistSNCR & Scrub         39            502.     2236.     4107.     4107.     4822.

Ret.SCR                       40          11164.    15869.    16308.    16838.    10949.

Ret.ExistScrub & SCR          41           2506.    15247.    19794.    19947.    19947.

Ret.SNCR                      42            740.      740.      998.     1652.     1287.

Ret.ExistScrub & SNCR         43              0.        0.      187.      252.      252.

Ret.SCR+Scrb                  44           3074.    11617.    31749.    39759.    45297.

Ret.SNCR+Scrub                45              0.        0.        0.        0.      352.

Ret.Gas Reburn                46              0.        0.        0.        0.        0.

Ret.ExistScrub+GasR           47              0.        0.        0.        0.        0.

Ret.GasReburn+Scrub           48              0.        0.        0.        0.        0.

Ret.ACI                       49              0.       24.       24.     4645.    14706.

Ret.ExistScrub&ACI            50              0.     1263.     1714.     4131.    13010.

Ret.ExistSCR&ACI              51              0.        0.        0.       56.       56.

Ret.ExistSNCR&ACI             52              0.       87.       87.       87.       87.

Ret.ACI & SCR                 53              0.        0.        0.        0.     1147.

Ret.ExistScrub&ACI&SCR        54              0.        0.        0.        0.        0.

Ret.ACI & SNCR                55              0.        0.        0.        0.        5.

Ret.ExistScrub&ACI&SNCR       56              0.        0.       55.       55.       55.

Ret.ACI & Srub                57              0.      280.      280.      280.    10439.

Ret.ExistSCR&ACI&Scrub        58              0.        0.        0.        0.     1658.

Ret.ExistSNCR&ACI&Scrub       59              0.        0.      200.      200.      352.

Ret.ExistSNCR&ExistScrub&ACI  60              0.      330.      330.      330.      474.

Ret.ExistSCR&ExistScrub&ACI   61              0.        0.       43.      187.     2662.

Ret.ExistNOx&ExistScrub&ACI   62              0.        0.        0.        0.        0.

Ret.SCR & Scrub & ACI         63              0.        0.        0.        0.     1227.

Ret.SNCR & Scrub & ACI        64              0.        0.        0.        0.        0.

Ret.O/G SCR                   65              0.      142.      142.      142.      142.

Ret.O/G SNCR                  66            760.     1170.     1170.     1170.     1170.

Ret.Nuclear (age 30+10 yrs)   67              0.        0.        0.        0.        0.

Ret.Nuclear (age 40+20 yrs)   68              0.        0.        0.        0.        0.

Ret. Biomass Cofiring         69              0.        0.        0.        0.        0.

CT Early Retirement           70           2326.     2579.     3053.     3140.     3143.

CC Early Retirement           71           1003.     1070.     1563.     1566.     1566.

O/G Early Retirement          72          41077.    41826.    41826.    41826.    41826.

Coal Early Retirement         73           4057.     4534.     4534.     4534.     4617.

Nuke Early Retirement         74              0.        0.        0.        0.        0.

--------------------------------------  --------  --------  --------  --------  --------

Total                                    970896.   979775.  1014383.  1082824.  1178101.

11. Capacity Additions and Changes

    by Plant Type [MW]                    2007      2010      2015      2020      2026

--------------------------------------  --------  --------  --------  --------  --------

Scrubbed Coal_SCR              1              0.      591.       46.    16221.    39763.

Scrubbed Coal_SNCR             2              0.        0.        0.        0.        0.

Scrubbed Coal_NOx              3              0.        0.        0.        0.        0.

Scrubbed Coal                  4              0.        0.        0.        0.        0.

Unscrubbed Coal_SCR            5              0.        0.        0.        0.        0.

Unscrubbed Coal_SNCR           6              0.        0.        0.        0.        0.

Unscrubbed Coal_NOx            7              0.        0.        0.        0.        0.

Unscrubbed Coal                8              0.        0.        0.        0.        0.

Oil/Gas Steam                  9              0.        0.        0.        0.        0.

Oil/Gas Steam_SCR             10              0.        0.        0.        0.        0.

Oil/Gas Steam_NOx             11              0.        0.        0.        0.        0.

Nuclear                       12              0.        0.        0.        0.        0.

Hydro                         13              0.        0.        0.        0.        0.

Comb.Cycle Gas                14              0.     1532.    32353.    28306.    18112.

IGCC                          15              0.        0.        0.     8110.    19881.

Combustion Turbine            16              0.        0.      964.    15598.    17857.

Biomass                       17              0.        0.        0.        0.        0.

Geothermal                    18              0.        0.        0.        0.        0.

Landfill Gas                  19              0.        0.      422.       72.        0.

Wind                          20              0.        0.       19.        0.       15.

Fuel Cell                     21              0.        0.        0.        0.        0.

Solar                         22              0.        0.        0.        0.        0.

Non Fossil_Other              23              0.        0.        0.        0.        0.

Fossil_Other                  24              0.        0.        0.        0.        0.

Pump Storage                  25              0.        0.        0.        0.        0.

Int. Imports                  26              0.        0.        0.        0.        0.

Cgn_CT                        27              0.        0.        0.        0.        0.

Cgn_CC                        28              0.        0.        0.        0.        0.

Cgn_Oil/Gas Steam             29              0.        0.        0.        0.        0.

Cgn_Biomass                   30              0.        0.        0.        0.        0.

Cgn_Fossil_Other              31              0.        0.        0.        0.        0.

Cgn_NonFossil_Other           32              0.        0.        0.        0.        0.

Distributed Generation        33              0.        0.        0.        0.        0.

Rep.Coal-CC                   34              0.      915.        0.        0.        0.

Rep.O/G-CC                    35              0.     8403.        1.        1.        0.

Rep.Coal-IGCC                 36              0.      295.       23.        0.        0.

Ret.Scrubber                  37           1707.     6739.    18491.     3021.    10036.

Ret.ExistSCR & Scrub          38           3410.    27209.    11325.     5692.      255.

Ret.ExistSNCR & Scrub         39            502.     1734.     2071.        0.      868.

Ret.SCR                       40          11164.     5304.     4955.     5767.        0.

Ret.ExistScrub & SCR          41           2506.    12741.     4547.      154.        0.

Ret.SNCR                      42            740.        0.      258.      654.        0.

Ret.ExistScrub & SNCR         43              0.        0.      242.       65.        0.

Ret.SCR+Scrb                  44           3074.     8542.    20132.     8010.     6765.

Ret.SNCR+Scrub                45              0.        0.        0.        0.      352.

Ret.Gas Reburn                46              0.        0.        0.        0.        0.

Ret.ExistScrub+GasR           47              0.        0.        0.        0.        0.

Ret.GasReburn+Scrub           48              0.        0.        0.        0.        0.

Ret.ACI                       49              0.       24.        0.     4622.    10060.

Ret.ExistScrub&ACI            50              0.     1263.      451.     2417.     8879.

Ret.ExistSCR&ACI              51              0.        0.        0.       56.        0.

Ret.ExistSNCR&ACI             52              0.       87.        0.        0.        0.

Ret.ACI & SCR                 53              0.        0.        0.        0.     1147.

Ret.ExistScrub&ACI&SCR        54              0.        0.        0.        0.        0.

Ret.ACI & SNCR                55              0.        0.        0.        0.        5.

Ret.ExistScrub&ACI&SNCR       56              0.        0.       55.        0.        0.

Ret.ACI & Srub                57              0.      280.        0.        0.    10160.

Ret.ExistSCR&ACI&Scrub        58              0.        0.        0.        0.     1658.

Ret.ExistSNCR&ACI&Scrub       59              0.        0.      200.        0.      153.

Ret.ExistSNCR&ExistScrub&ACI  60              0.      330.        0.        0.      144.

Ret.ExistSCR&ExistScrub&ACI   61              0.        0.       43.      144.     2475.

Ret.ExistNOx&ExistScrub&ACI   62              0.        0.        0.        0.        0.

Ret.SCR & Scrub & ACI         63              0.        0.        0.        0.     1227.

Ret.SNCR & Scrub & ACI        64              0.        0.        0.        0.        0.

Ret.O/G SCR                   65              0.      142.        0.        0.        0.

Ret.O/G SNCR                  66            760.      410.        0.        0.        0.

Ret.Nuclear (age 30+10 yrs)   67              0.        0.        0.        0.        0.

Ret.Nuclear (age 40+20 yrs)   68              0.        0.        0.        0.        0.

Ret. Biomass Cofiring         69              0.        0.        0.        0.        0.

CT Early Retirement           70           2326.      253.      474.       87.        3.

CC Early Retirement           71           1003.       67.      493.        3.        0.

O/G Early Retirement          72          41077.      750.        0.        0.        0.

Coal Early Retirement         73           4057.      477.        0.        0.       83.

Nuke Early Retirement         74              0.        0.        0.        0.        0.

--------------------------------------  --------  --------  --------  --------  --------

Total                                     72325.    78086.    97564.    99000.   149896.

12. Generation by Plant Type [GWh]        2007      2010      2015      2020      2026

--------------------------------------  --------  --------  --------  --------  --------

Scrubbed Coal_SCR              1         226963.   236771.   237265.   357036.   634741.

Scrubbed Coal_SNCR             2          16472.    13663.    14053.    13982.    12676.

Scrubbed Coal_NOx              3              0.        0.        0.        0.        0.

Scrubbed Coal                  4         471135.   368335.   331549.   310423.   238989.

Unscrubbed Coal_SCR            5         359533.   162926.    82327.    40317.    38269.

Unscrubbed Coal_SNCR           6          47870.    35293.    23143.    22110.    16083.

Unscrubbed Coal_NOx            7              0.        0.        0.        0.        0.

Unscrubbed Coal                8         833967.   736689.   516880.   394064.   234819.

Oil/Gas Steam                  9          28562.    32280.    22058.    15952.    11700.

Oil/Gas Steam_SCR             10          14954.     1676.      974.      557.      633.

Oil/Gas Steam_NOx             11              0.        0.        0.        0.        0.

Nuclear                       12         785243.   798667.   811008.   808645.   796944.

Hydro                         13         275692.   275692.   275692.   275692.   275692.

Comb.Cycle Gas                14         566503.   634815.   917580.  1095414.  1144432.

IGCC                          15           4702.     4702.     4702.    66995.   219698.

Combustion Turbine            16          25023.    31462.    31180.    52088.    65346.

Biomass                       17           8468.     8856.     9224.     9056.     8875.

Geothermal                    18          24121.    25066.    25904.    25904.    25904.

Landfill Gas                  19           4328.     4580.     7724.     8261.     8261.

Wind                          20          14091.    14738.    14889.    14889.    14944.

Fuel Cell                     21              0.        0.        0.        0.        0.

Solar                         22            444.      459.      488.      488.      488.

Non Fossil_Other              23          17132.    17400.    17400.    17400.    17400.

Fossil_Other                  24           4462.     4462.     4462.     4462.     4462.

Pump Storage                  25          17093.    14717.    17181.    15894.    17650.

Int. Imports                  26          41303.    44063.    40296.    27331.    13578.

Cgn_CT                        27           7101.     1828.     1236.     1030.     1161.

Cgn_CC                        28          39999.    37857.    30782.    26469.    28646.

Cgn_Oil/Gas Steam             29              0.        0.        0.        0.        0.

Cgn_Biomass                   30           2645.     2602.     2612.     2735.     2763.

Cgn_Fossil_Other              31           2846.     2794.     2846.     2846.     2846.

Cgn_NonFossil_Other           32           2412.     2412.     2412.     2412.     2412.

Distributed Generation        33              0.        0.        0.        0.        0.

Rep.Coal-CC                   34              0.      157.      553.      768.     1218.

Rep.O/G-CC                    35              0.    66545.    66550.    66556.    66556.

Rep.Coal-IGCC                 36              0.     2269.     2444.     2444.     2444.

Ret.Scrubber                  37          12567.    24784.   107484.   125644.   110527.

Ret.ExistSCR & Scrub          38          25389.   227992.   311675.   353520.   342144.

Ret.ExistSNCR & Scrub         39           3469.    16080.    30373.    30317.    35517.

Ret.SCR                       40          82537.   115559.   120407.   122893.    78139.

Ret.ExistScrub & SCR          41          18661.   113534.   147389.   148533.   147987.

Ret.SNCR                      42           3853.     4235.     6178.     9324.     6065.

Ret.ExistScrub & SNCR         43              0.        0.     1392.     1752.     1752.

Ret.SCR+Scrb                  44          22893.    86188.   236410.   296058.   337297.

Ret.SNCR+Scrub                45              0.        0.        0.        0.     2436.

Ret.Gas Reburn                46              0.        0.        0.        0.        0.

Ret.ExistScrub+GasR           47              0.        0.        0.        0.        0.

Ret.GasReburn+Scrub           48              0.        0.        0.        0.        0.

Ret.ACI                       49              0.      176.      176.    34564.   107539.

Ret.ExistScrub&ACI            50              0.     9405.    12686.    30761.    96004.

Ret.ExistSCR&ACI              51              0.        0.        0.      420.      390.

Ret.ExistSNCR&ACI             52              0.      601.      601.      487.      431.

Ret.ACI & SCR                 53              0.        0.        0.        0.     8541.

Ret.ExistScrub&ACI&SCR        54              0.        0.        0.        0.        0.

Ret.ACI & SNCR                55              0.        0.        0.        0.       36.

Ret.ExistScrub&ACI&SNCR       56              0.        0.      410.      345.      380.

Ret.ACI & Srub                57              0.     2083.     2083.     2083.    77735.

Ret.ExistSCR&ACI&Scrub        58              0.        0.        0.        0.    12044.

Ret.ExistSNCR&ACI&Scrub       59              0.        0.     1487.     1487.     2624.

Ret.ExistSNCR&ExistScrub&ACI  60              0.     2413.     2413.     2413.     3397.

Ret.ExistSCR&ExistScrub&ACI   61              0.        0.      321.     1392.    19448.

Ret.ExistNOx&ExistScrub&ACI   62              0.        0.        0.        0.        0.

Ret.SCR & Scrub & ACI         63              0.        0.        0.        0.     9133.

Ret.SNCR & Scrub & ACI        64              0.        0.        0.        0.        0.

Ret.O/G SCR                   65              0.      263.      150.      150.      150.

Ret.O/G SNCR                  66            801.     1233.     1233.     1233.      925.

Ret.Nuclear (age 30+10 yrs)   67              0.        0.        0.        0.        0.

Ret.Nuclear (age 40+20 yrs)   68              0.        0.        0.        0.        0.

Ret. Biomass Cofiring         69              0.        0.        0.        0.        0.

CT Early Retirement           70              0.        0.        0.        0.        0.

CC Early Retirement           71              0.        0.        0.        0.        0.

O/G Early Retirement          72              0.        0.        0.        0.        0.

Coal Early Retirement         73              0.        0.        0.        0.        0.

Nuke Early Retirement         74              0.        0.        0.        0.        0.

--------------------------------------  --------  --------  --------  --------  --------

Total                                   4013234.  4188320.  4498283.  4845594.  5310269.

12a. Generation by Fuel Type [GWh]        2007      2010      2015      2020      2026

--------------------------------------  --------  --------  --------  --------  --------

Coal                                    2130012.  2163699.  2193850.  2369363.  2797284.

Oil                                           0.        0.        0.        0.        0.

Nuclear                                  785243.   798667.   811008.   808645.   796944.

Hydro                                    275692.   275692.   275692.   275692.   275692.

Gas                                      682942.   808113.  1072296.  1260217.  1320766.

Other                                     11636.    11836.    15032.    15569.    15569.

None                                     116596.   118855.   118571.   104319.    92377.

Biomass                                   11113.    11458.    11835.    11791.    11638.

--------------------------------------  --------  --------  --------  --------  --------

Total                                   4013234.  4188320.  4498283.  4845594.  5310269.

13. Generation by Plant Type [TBtu]       2007      2010      2015      2020      2026

--------------------------------------  --------  --------  --------  --------  --------

Scrubbed Coal_SCR              1            774.      808.      810.     1218.     2166.

Scrubbed Coal_SNCR             2             56.       47.       48.       48.       43.

Scrubbed Coal_NOx              3              0.        0.        0.        0.        0.

Scrubbed Coal                  4           1608.     1257.     1131.     1059.      815.

Unscrubbed Coal_SCR            5           1227.      556.      281.      138.      131.

Unscrubbed Coal_SNCR           6            163.      120.       79.       75.       55.

Unscrubbed Coal_NOx            7              0.        0.        0.        0.        0.

Unscrubbed Coal                8           2845.     2514.     1764.     1345.      801.

Oil/Gas Steam                  9             97.      110.       75.       54.       40.

Oil/Gas Steam_SCR             10             51.        6.        3.        2.        2.

Oil/Gas Steam_NOx             11              0.        0.        0.        0.        0.

Nuclear                       12           2679.     2725.     2767.     2759.     2719.

Hydro                         13            941.      941.      941.      941.      941.

Comb.Cycle Gas                14           1933.     2166.     3131.     3738.     3905.

IGCC                          15             16.       16.       16.      229.      750.

Combustion Turbine            16             85.      107.      106.      178.      223.

Biomass                       17             29.       30.       31.       31.       30.

Geothermal                    18             82.       86.       88.       88.       88.

Landfill Gas                  19             15.       16.       26.       28.       28.

Wind                          20             48.       50.       51.       51.       51.

Fuel Cell                     21              0.        0.        0.        0.        0.

Solar                         22              2.        2.        2.        2.        2.

Non Fossil_Other              23             58.       59.       59.       59.       59.

Fossil_Other                  24             15.       15.       15.       15.       15.

Pump Storage                  25             58.       50.       59.       54.       60.

Int. Imports                  26            141.      150.      137.       93.       46.

Cgn_CT                        27             24.        6.        4.        4.        4.

Cgn_CC                        28            136.      129.      105.       90.       98.

Cgn_Oil/Gas Steam             29              0.        0.        0.        0.        0.

Cgn_Biomass                   30              9.        9.        9.        9.        9.

Cgn_Fossil_Other              31             10.       10.       10.       10.       10.

Cgn_NonFossil_Other           32              8.        8.        8.        8.        8.

Distributed Generation        33              0.        0.        0.        0.        0.

Rep.Coal-CC                   34              0.        1.        2.        3.        4.

Rep.O/G-CC                    35              0.      227.      227.      227.      227.

Rep.Coal-IGCC                 36              0.        8.        8.        8.        8.

Ret.Scrubber                  37             43.       85.      367.      429.      377.

Ret.ExistSCR & Scrub          38             87.      778.     1063.     1206.     1167.

Ret.ExistSNCR & Scrub         39             12.       55.      104.      103.      121.

Ret.SCR                       40            282.      394.      411.      419.      267.

Ret.ExistScrub & SCR          41             64.      387.      503.      507.      505.

Ret.SNCR                      42             13.       14.       21.       32.       21.

Ret.ExistScrub & SNCR         43              0.        0.        5.        6.        6.

Ret.SCR+Scrb                  44             78.      294.      807.     1010.     1151.

Ret.SNCR+Scrub                45              0.        0.        0.        0.        8.

Ret.Gas Reburn                46              0.        0.        0.        0.        0.

Ret.ExistScrub+GasR           47              0.        0.        0.        0.        0.

Ret.GasReburn+Scrub           48              0.        0.        0.        0.        0.

Ret.ACI                       49              0.        1.        1.      118.      367.

Ret.ExistScrub&ACI            50              0.       32.       43.      105.      328.

Ret.ExistSCR&ACI              51              0.        0.        0.        1.        1.

Ret.ExistSNCR&ACI             52              0.        2.        2.        2.        1.

Ret.ACI & SCR                 53              0.        0.        0.        0.       29.

Ret.ExistScrub&ACI&SCR        54              0.        0.        0.        0.        0.

Ret.ACI & SNCR                55              0.        0.        0.        0.        0.

Ret.ExistScrub&ACI&SNCR       56              0.        0.        1.        1.        1.

Ret.ACI & Srub                57              0.        7.        7.        7.      265.

Ret.ExistSCR&ACI&Scrub        58              0.        0.        0.        0.       41.

Ret.ExistSNCR&ACI&Scrub       59              0.        0.        5.        5.        9.

Ret.ExistSNCR&ExistScrub&ACI  60              0.        8.        8.        8.       12.

Ret.ExistSCR&ExistScrub&ACI   61              0.        0.        1.        5.       66.

Ret.ExistNOx&ExistScrub&ACI   62              0.        0.        0.        0.        0.

Ret.SCR & Scrub & ACI         63              0.        0.        0.        0.       31.

Ret.SNCR & Scrub & ACI        64              0.        0.        0.        0.        0.

Ret.O/G SCR                   65              0.        1.        1.        1.        1.

Ret.O/G SNCR                  66              3.        4.        4.        4.        3.

Ret.Nuclear (age 30+10 yrs)   67              0.        0.        0.        0.        0.

Ret.Nuclear (age 40+20 yrs)   68              0.        0.        0.        0.        0.

Ret. Biomass Cofiring         69              0.        0.        0.        0.        0.

CT Early Retirement           70              0.        0.        0.        0.        0.

CC Early Retirement           71              0.        0.        0.        0.        0.

O/G Early Retirement          72              0.        0.        0.        0.        0.

Coal Early Retirement         73              0.        0.        0.        0.        0.

Nuke Early Retirement         74              0.        0.        0.        0.        0.

--------------------------------------  --------  --------  --------  --------  --------

Total                                     13693.    14291.    15348.    16533.    18119.

14. Capacity Factor by Plant Type [%]     2007      2010      2015      2020      2026

--------------------------------------  --------  --------  --------  --------  --------

Scrubbed Coal_SCR              1            85.0      84.8      85.0      85.0      85.0

Scrubbed Coal_SNCR             2            82.5      80.0      82.3      81.9      80.1

Scrubbed Coal_NOx              3             N/A       N/A       N/A       N/A       N/A

Scrubbed Coal                  4            84.3      84.4      84.9      84.5      82.5

Unscrubbed Coal_SCR            5            81.0      81.3      83.1      84.7      84.4

Unscrubbed Coal_SNCR           6            73.3      74.0      79.5      75.9      75.3

Unscrubbed Coal_NOx            7             N/A       N/A       N/A       N/A       N/A

Unscrubbed Coal                8            77.9      79.5      80.6      79.4      74.4

Oil/Gas Steam                  9             4.3       4.9       3.4       2.4       1.8

Oil/Gas Steam_SCR             10            20.8       3.4       2.0       1.1       1.3

Oil/Gas Steam_NOx             11             0.0       0.0       0.0       0.0       0.0

Nuclear                       12            89.4      90.7      90.7      90.0      88.7

Hydro                         13            35.0      35.0      35.0      35.0      35.0

Comb.Cycle Gas                14            44.0      48.8      58.1      59.9      57.6

IGCC                          15            87.7      87.7      87.7      87.7      87.7

Combustion Turbine            16             2.2       2.8       2.7       4.1       4.6

Biomass                       17            71.2      69.4      72.3      71.0      69.6

Geothermal                    18            87.0      87.0      87.0      87.0      87.0

Landfill Gas                  19            90.0      90.0      87.9      87.7      87.7

Wind                          20            23.3      23.3      23.3      23.3      23.3

Fuel Cell                     21             N/A       N/A       N/A       N/A       N/A

Solar                         22            11.3      11.3      11.3      11.3      11.3

Non Fossil_Other              23            90.0      90.0      90.0      90.0      90.0

Fossil_Other                  24            90.0      90.0      90.0      90.0      90.0

Pump Storage                  25             9.9       8.5       9.9       9.2      10.2

Int. Imports                  26            52.4      55.9      51.1      34.7      17.2

Cgn_CT                        27            14.6       3.8       2.5       2.1       2.4

Cgn_CC                        28            25.6      24.2      19.7      16.9      18.3

Cgn_Oil/Gas Steam             29             0.0       0.0       0.0       0.0       0.0

Cgn_Biomass                   30            82.5      81.2      81.5      85.3      86.2

Cgn_Fossil_Other              31            90.0      88.3      90.0      90.0      90.0

Cgn_NonFossil_Other           32            87.7      87.7      87.7      87.7      87.7

Distributed Generation        33             N/A       N/A       N/A       N/A       N/A

Rep.Coal-CC                   34             N/A       2.0       6.9       9.6      15.2

Rep.O/G-CC                    35             N/A      90.4      90.4      90.4      90.4

Rep.Coal-IGCC                 36             N/A      87.7      87.7      87.7      87.7

Ret.Scrubber                  37            84.0      85.0      85.0      84.8      84.8

Ret.ExistSCR & Scrub          38            85.0      85.0      84.8      84.7      84.5

Ret.ExistSNCR & Scrub         39            78.9      82.1      84.4      84.3      84.1

Ret.SCR                       40            84.4      83.1      84.3      83.3      81.5

Ret.ExistScrub & SCR          41            85.0      85.0      85.0      85.0      84.7

Ret.SNCR                      42            59.4      65.3      70.7      64.4      53.8

Ret.ExistScrub & SNCR         43             N/A       N/A      85.0      79.4      79.4

Ret.SCR+Scrb                  44            85.0      84.7      85.0      85.0      85.0

Ret.SNCR+Scrub                45             N/A       N/A       N/A       N/A      78.9

Ret.Gas Reburn                46             N/A       N/A       N/A       N/A       N/A

Ret.ExistScrub+GasR           47             N/A       N/A       N/A       N/A       N/A

Ret.GasReburn+Scrub           48             N/A       N/A       N/A       N/A       N/A

Ret.ACI                       49             N/A      85.0      85.0      84.9      83.5

Ret.ExistScrub&ACI            50             N/A      85.0      84.5      85.0      84.2

Ret.ExistSCR&ACI              51             N/A       N/A       N/A      85.0      78.9

Ret.ExistSNCR&ACI             52             N/A      78.9      78.9      63.9      56.5

Ret.ACI & SCR                 53             N/A       N/A       N/A       N/A      85.0

Ret.ExistScrub&ACI&SCR        54             N/A       N/A       N/A       N/A       N/A

Ret.ACI & SNCR                55             N/A       N/A       N/A       N/A      85.0

Ret.ExistScrub&ACI&SNCR       56             N/A       N/A      85.0      71.6      78.9

Ret.ACI & Srub                57             N/A      85.0      85.0      85.0      85.0

Ret.ExistSCR&ACI&Scrub        58             N/A       N/A       N/A       N/A      82.9

Ret.ExistSNCR&ACI&Scrub       59             N/A       N/A      85.0      85.0      85.0

Ret.ExistSNCR&ExistScrub&ACI  60             N/A      83.5      83.5      83.5      81.8

Ret.ExistSCR&ExistScrub&ACI   61             N/A       N/A      85.0      85.0      83.4

Ret.ExistNOx&ExistScrub&ACI   62             N/A       N/A       N/A       N/A       N/A

Ret.SCR & Scrub & ACI         63             N/A       N/A       N/A       N/A      85.0

Ret.SNCR & Scrub & ACI        64             N/A       N/A       N/A       N/A       N/A

Ret.O/G SCR                   65             N/A      21.1      12.0      12.0      12.0

Ret.O/G SNCR                  66            12.0      12.0      12.0      12.0       9.0

Ret.Nuclear (age 30+10 yrs)   67             N/A       N/A       N/A       N/A       N/A

Ret.Nuclear (age 40+20 yrs)   68             N/A       N/A       N/A       N/A       N/A

Ret. Biomass Cofiring         69             N/A       N/A       N/A       N/A       N/A

CT Early Retirement           70             0.0       0.0       0.0       0.0       0.0

CC Early Retirement           71             0.0       0.0       0.0       0.0       0.0

O/G Early Retirement          72             0.0       0.0       0.0       0.0       0.0

Coal Early Retirement         73             0.0       0.0       0.0       0.0       0.0

Nuke Early Retirement         74             N/A       N/A       N/A       N/A       N/A

--------------------------------------  --------  --------  --------  --------  --------

Average                                     47.2      48.8      50.6      51.1      51.5

15. Total Annual Production Cost

    [MMUS$](*)                            2007      2010      2015      2020      2026

--------------------------------------  --------  --------  --------  --------  --------

Variable O&M                              6458.2    7594.5    8691.9    9769.6   11320.7

Fixed O&M                                29000.1   29973.2   32435.9   35368.9   37927.3

Fuel                                     46174.5   48034.8   52919.5   56678.5   61198.5

Capital                                    629.4    2614.3    6439.2   13789.7   26393.0

--------------------------------------  --------  --------  --------  --------  --------

Total                                    82262.2   88216.8  100486.5  115606.7  136839.4

16. Emissions                                   2007          2010          2015          2020          2026

--------------------------------------  ------------  ------------  ------------  ------------  ------------

  SO2    [MTons]                           8193.9790     6311.6371     4877.9787     4314.8097     3770.1981

  NOX    [MTons]                           3612.8906     2411.1633     2010.8474     1985.3660     2026.5212

  TSP    [MTons]                              0.0000        0.0000        0.0000        0.0000        0.0000

  CO2    [MMTonnes]                        2371.1633     2446.8610     2568.4058     2761.8055     3101.2035

  Carbon [MMTonnes]                         646.6809      667.3257      700.4743      753.2197      845.7828

  MER    [Tons]                              47.2180       35.1741       32.0595       29.0165       23.2585

 Fuel Consumption by Fuel and Fuel Type [TBtu]

Fuel                       2007     2010     2015     2020     2026

  Coal                   22174.6  22566.3  22967.9  24402.1  27844.1

  Oil                        0.0      0.0      0.0      0.0      0.0

  Nuclear                 8276.8   8417.2   8543.8   8518.1   8394.5

  Gas                     5259.8   6090.4   7706.7   8867.7   9202.0

  Biomass                  104.1    107.3    111.3    110.6    108.6

 Fuel Costs by Fuel and Fuel Type [MMUS$]

Fuel                       2007     2010     2015     2020     2026

  Coal                   24423.7  23687.1  22493.3  22781.7  25371.2

  Oil                        0.0      0.0      0.0      0.0      0.0

  Nuclear                 3410.0   3467.9   3477.3   3458.3   3408.2

  Gas                    18173.1  20708.2  26772.4  30265.1  32249.1

  Biomass                  167.7    171.5    176.5    173.4    170.1

 Fuel Costs by Fuel and Fuel Type [US$/MMBtu]

Fuel                       2007     2010     2015     2020     2026

  Coal                      1.10     1.05     0.98     0.93     0.91

  Oil                       0.00     0.00     0.00     0.00     0.00

  Nuclear                   0.41     0.41     0.41     0.41     0.41

  Gas                       3.46     3.40     3.47     3.41     3.50

  Biomass                   1.61     1.60     1.59     1.57     1.57

SO2 Policy Case Constraint 2007-2007 2008-2012 2013-2017 2018-2022 2023-2030 Total Title IV Emissions<PHONE_NUMBER>5940963560MTons Banked 64240000MTons Withdrawn 00-723-5620Rate - [lb/MMBtu] .<IP_ADDRESS>.26TBtu Consumed<PHONE_NUMBER>228532428727729Non-CAIR Shadow Price (US$/Ton) 584376364418519CAIR Shadow Price (US$/Ton)<PHONE_NUMBER>1461422EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10.  3

Environmental Measures Report

Constraint Name: WRAP SO2 Policy Case Constraint                    Constraint #:   3

Constraint Type: Rate Cap [MTons]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [MTon]                             0.000      0.000      0.000      198.9      198.9

 -Emissions at Affected Plants [MTons]        0.000      0.000      0.000      198.9      198.9

 -Less Allowances Purchased [MTons] SO2       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] SO2            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 0.000      0.000      0.000      198.9      198.9

TBtu Consumed                                 0.000      0.000      0.000      1543.      1543.

Rate - [lb/MMBtu]                             0.000      0.000      0.000     0.2578     0.2578

TWh Generated                                 0.000      0.000      0.000      148.8      148.8

TWh Generated Qualifying                      0.000      0.000      0.000      148.8      148.8

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             0.000      0.000      0.000      1134.      1120.

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10.  4

Environmental Measures Report

Constraint Name: MER National Constraint                            Constraint #:   4

Constraint Type: Rate Cap [MTons]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [Lb]                              0.2000E+09 0.7600E+05 0.7600E+05 0.3000E+05 0.3000E+05

 -Emissions at Affected Plants [Lb]           0.000     0.6228E+05 0.5600E+05 0.5004E+05 0.3855E+05

 -Less Allowances Purchased [Lb] MER          0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [Lb] MER               0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [Lb]                 0.000     0.1372E+05 0.2000E+05  0.000      0.000

 -Less Allowances Withdrawn [Lb]              0.000      0.000      0.000    -0.2004E+05 -8551.

Total [Lb]                                    0.000     0.7600E+05 0.7600E+05 0.3000E+05 0.3000E+05

TBtu Consumed                                 0.000     0.2242E+05 0.2283E+05 0.2426E+05 0.2770E+05

Rate - [lb/MMBtu]                             0.000     0.2777E-05 0.2453E-05 0.2062E-05 0.1392E-05

TWh Generated                                 0.000      2152.      2182.      2358.      2786.

TWh Generated Qualifying                      0.000      2152.      2182.      2358.      2786.

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Lb]              0.000     0.2312E+05 0.2999E+05 0.3890E+05 0.5431E+05

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10.  5

Environmental Measures Report

Constraint Name: NOx SIP CALL and Summer CAIR Constraint            Constraint #:   5

Constraint Type: Rate Cap [MTons]

Run Year, Seasons Included: 2007 SUMMER

Run Year, Seasons Included: 2010 SUMMER

Run Year, Seasons Included: 2015 SUMMER

Run Year, Seasons Included: 2020 SUMMER

Run Year, Seasons Included: 2026 SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [MTon]                             528.0      581.4      484.5      484.5      484.5

 -Emissions at Affected Plants [MTons]        528.0      541.1      475.9      454.2      456.0

 -Less Allowances Purchased [MTons] NOX       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] NOX            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 528.0      541.1      475.9      454.2      456.0

TBtu Consumed                                 6471.      7887.      8546.      9362.     0.1017E+05

Rate - [lb/MMBtu]                            0.1632     0.1372     0.1114     0.9703E-01 0.8969E-01

TWh Generated                                 648.2      800.4      882.7      998.2      1101.

TWh Generated Qualifying                      648.2      800.4      882.7      998.2      1101.

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             2157.      0.000      0.000      0.000      0.000

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10.  6

Environmental Measures Report

Constraint Name: NOx CAIR Annual Constraint                         Constraint #:   6

Constraint Type: Rate Cap [MTons]

Run Year, Seasons Included: 2007

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [MTon]                             0.000      1522.      1268.      1268.      1268.

 -Emissions at Affected Plants [MTons]        0.000      1497.      1293.      1268.      1268.

 -Less Allowances Purchased [MTons] NOX       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] NOX            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      24.72      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000     -24.72      0.000      0.000

Total [MTons]                                 0.000      1522.      1268.      1268.      1268.

TBtu Consumed                                 0.000     0.2141E+05 0.2293E+05 0.2486E+05 0.2705E+05

Rate - [lb/MMBtu]                             0.000     0.1399     0.1128     0.1020     0.9377E-01

TWh Generated                                 0.000      2174.      2388.      2646.      2939.

TWh Generated Qualifying                      0.000      2174.      2388.      2646.      2939.

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             0.000      1250.      1622.      714.8      683.1

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10.  7

Environmental Measures Report

Constraint Name: NOx SIPCall Rhode   Island  Constraint (Separated fr. Constraint #:   7

Constraint Type: Rate Cap [MTons]

Run Year, Seasons Included: 2007 SUMMER

Run Year, Seasons Included: 2010 SUMMER

Run Year, Seasons Included: 2015 SUMMER

Run Year, Seasons Included: 2020 SUMMER

Run Year, Seasons Included: 2026 SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [MTon]                             0.000     0.9970     0.9970     0.9970     0.9970

 -Emissions at Affected Plants [MTons]        0.000     0.1917     0.1917     0.1917     0.1862

 -Less Allowances Purchased [MTons] NOX       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] NOX            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 0.000     0.1917     0.1917     0.1917     0.1862

TBtu Consumed                                 0.000      11.85      11.85      11.85      11.39

Rate - [lb/MMBtu]                             0.000     0.3235E-01 0.3235E-01 0.3235E-01 0.3269E-01

TWh Generated                                 0.000      1.457      1.457      1.457      1.398

TWh Generated Qualifying                      0.000      1.457      1.457      1.457      1.398

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             0.000      0.000      0.000      0.000      0.000

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10.  8

Environmental Measures Report

Constraint Name: NOX Policy for State of     Illinois                     Constraint #:   8

Constraint Type: Rate Limit [lb/MMBtu]

Run Year, Seasons Included: 2007 SUMMER

Run Year, Seasons Included: 2010 SUMMER

Run Year, Seasons Included: 2015 SUMMER

Run Year, Seasons Included: 2020 SUMMER

Run Year, Seasons Included: 2026 SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [lb/MMBtu]                        0.2500     0.2500     0.2500     0.2500     0.2500

 -Emissions at Affected Plants [MTons]        27.54      25.68      25.24      22.57      21.68

 -Less Allowances Purchased [MTons] NOX       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] NOX            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 27.54      25.68      25.24      22.57      21.68

TBtu Consumed                                 434.4      442.3      475.2      453.3      439.6

Rate - [lb/MMBtu]                            0.1268     0.1161     0.1063     0.9961E-01 0.9863E-01

TWh Generated                                 41.35      41.89      44.66      42.59      41.28

TWh Generated Qualifying                      41.35      41.89      44.66      42.59      41.28

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             0.000      0.000      0.000      0.000      0.000

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10.  9

Environmental Measures Report

Constraint Name: NOX Policy for State of     Massachusetts                Constraint #:   9

Constraint Type: Rate Limit [lb/MWh]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [lb/MWh]                           1.500      1.500      1.500      1.500      1.500

 -Emissions at Affected Plants [MTons]        6.382      12.35      12.34      6.213      6.213

 -Less Allowances Purchased [MTons] NOX       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] NOX            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 6.382      12.35      12.34      6.213      6.213

TBtu Consumed                                 89.73      159.0      159.0      159.2      159.2

Rate - [lb/MMBtu]                            0.1422     0.1553     0.1553     0.7806E-01 0.7806E-01

TWh Generated                                 8.509      16.47      16.47      16.48      16.48

TWh Generated Qualifying                      8.509      16.47      16.47      16.48      16.48

Constraint Shadow Price [US$/Ton]             438.3      999.2      0.000      0.000      0.000

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 10

Environmental Measures Report

Constraint Name: SO2 Policy for State of     Massachusetts                Constraint #:  10

Constraint Type: Rate Limit [lb/MWh]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [lb/MWh]                           3.000      3.000      3.000      3.000      3.000

 -Emissions at Affected Plants [MTons]        7.618      17.13      17.13      17.15      17.15

 -Less Allowances Purchased [MTons] SO2       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] SO2            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 7.618      17.13      17.13      17.15      17.15

TBtu Consumed                                 88.52      125.0      125.0      125.1      125.1

Rate - [lb/MMBtu]                            0.1721     0.2741     0.2741     0.2741     0.2741

TWh Generated                                 8.400      11.42      11.42      11.43      11.43

TWh Generated Qualifying                      8.400      11.42      11.42      11.43      11.43

Constraint Shadow Price [US$/Ton]             1281.      626.8      999.1      538.4      506.8

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 11

Environmental Measures Report

Constraint Name: CO2 Policy for State of     Massachusetts                Constraint #:  11

Constraint Type: Rate Limit [lb/MWh]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [lb/MWh]                           1800.      1800.      1800.      1800.      1800.

 -Emissions at Affected Plants [MTons]        7658.     0.1482E+05 0.1482E+05 0.1484E+05 0.1484E+05

 -Less Allowances Purchased [MTons] CO2       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] CO2            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 7658.     0.1482E+05 0.1482E+05 0.1484E+05 0.1484E+05

TBtu Consumed                                 89.73      159.0      159.0      159.2      159.2

Rate - [lb/MMBtu]                             170.7      186.4      186.4      186.4      186.4

TWh Generated                                 8.509      16.47      16.47      16.48      16.48

TWh Generated Qualifying                      8.509      16.47      16.47      16.48      16.48

Constraint Shadow Price [US$/Ton]             33.42      3.604     0.4268      2.310     0.8553

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 12

Environmental Measures Report

Constraint Name: NOx Policy for State of     North Carolina   Progressive Constraint #:  12

Constraint Type: Rate Cap [MTons]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [MTon]                             25.00      25.00      25.00      25.00      25.00

 -Emissions at Affected Plants [MTons]        20.85      20.01      20.05      20.95      20.05

 -Less Allowances Purchased [MTons] NOX       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] NOX            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 20.85      20.01      20.05      20.95      20.05

TBtu Consumed                                 394.3      399.9      406.0      409.9      405.5

Rate - [lb/MMBtu]                            0.1057     0.1001     0.9876E-01 0.1022     0.9888E-01

TWh Generated                                 35.82      36.30      36.66      36.94      36.58

TWh Generated Qualifying                      35.82      36.30      36.66      36.94      36.58

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             0.000      0.000      0.000      0.000      0.000

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 13

Environmental Measures Report

Constraint Name: NOx Policy for State of     North Carolina   Duke        Constraint #:  13

Constraint Type: Rate Cap [MTons]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [MTon]                             35.00      31.80      31.00      31.00      31.00

 -Emissions at Affected Plants [MTons]        35.00      31.19      23.06      25.42      24.78

 -Less Allowances Purchased [MTons] NOX       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] NOX            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 35.00      31.19      23.06      25.42      24.78

TBtu Consumed                                 551.2      537.7      580.5      574.0      568.3

Rate - [lb/MMBtu]                            0.1270     0.1160     0.7946E-01 0.8855E-01 0.8721E-01

TWh Generated                                 50.73      49.47      53.06      52.36      51.85

TWh Generated Qualifying                      50.73      49.47      53.06      52.36      51.85

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             270.3      0.000      0.000      0.000      0.000

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 14

Environmental Measures Report

Constraint Name: SO2 Policy for State of     North Carolina   Progressive Constraint #:  14

Constraint Type: Rate Cap [MTons]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [MTon]                             0.000      100.0      50.00      50.00      50.00

 -Emissions at Affected Plants [MTons]        0.000      100.0      37.15      27.00      21.04

 -Less Allowances Purchased [MTons] SO2       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] SO2            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 0.000      100.0      37.15      27.00      21.04

TBtu Consumed                                 0.000      399.9      406.0      409.9      405.5

Rate - [lb/MMBtu]                             0.000     0.5001     0.1830     0.1317     0.1038

TWh Generated                                 0.000      36.30      36.66      36.94      36.58

TWh Generated Qualifying                      0.000      36.30      36.66      36.94      36.58

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             0.000      3.006      0.000      0.000      0.000

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 15

Environmental Measures Report

Constraint Name: SO2 Policy for State of     North Carolina   Duke        Constraint #:  15

Constraint Type: Rate Cap [MTons]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [MTon]                             0.000      150.0      80.00      80.00      80.00

 -Emissions at Affected Plants [MTons]        0.000      150.0      80.00      60.20      56.22

 -Less Allowances Purchased [MTons] SO2       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] SO2            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 0.000      150.0      80.00      60.20      56.22

TBtu Consumed                                 0.000      537.7      580.5      574.0      568.3

Rate - [lb/MMBtu]                             0.000     0.5580     0.2756     0.2097     0.1979

TWh Generated                                 0.000      49.47      53.06      52.36      51.85

TWh Generated Qualifying                      0.000      49.47      53.06      52.36      51.85

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             0.000      207.6      47.75      0.000      0.000

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 16

Environmental Measures Report

Constraint Name: NOx Policy for State of     New Hampshire                Constraint #:  16

Constraint Type: Rate Cap [MTons]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [MTon]                             3.644      3.644      3.644      3.644      3.644

 -Emissions at Affected Plants [MTons]        2.000      2.074      2.126      2.100      2.100

 -Less Allowances Purchased [MTons] NOX       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] NOX            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 2.000      2.074      2.126      2.100      2.100

TBtu Consumed                                 42.57      43.28      43.78      43.53      43.53

Rate - [lb/MMBtu]                            0.9397E-01 0.9585E-01 0.9714E-01 0.9650E-01 0.9650E-01

TWh Generated                                 3.915      3.971      4.010      3.990      3.990

TWh Generated Qualifying                      3.915      3.971      4.010      3.990      3.990

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             0.000      0.000      0.000      0.000      0.000

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 17

Environmental Measures Report

Constraint Name: NOx Policy for State of     New Hampshire   - Hillsborou Constraint #:  17

Constraint Type: Rate Limit [lb/MMBtu]

Run Year, Seasons Included: 2007 SUMMER

Run Year, Seasons Included: 2010 SUMMER

Run Year, Seasons Included: 2015 SUMMER

Run Year, Seasons Included: 2020 SUMMER

Run Year, Seasons Included: 2026 SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [lb/MMBtu]                        0.1500     0.1500     0.1500     0.1500     0.1500

 -Emissions at Affected Plants [MTons]        1.153      1.153      1.153      1.153      1.048

 -Less Allowances Purchased [MTons] NOX       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] NOX            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 1.153      1.153      1.153      1.153      1.048

TBtu Consumed                                 48.71      48.71      48.71      48.71      47.71

Rate - [lb/MMBtu]                            0.4734E-01 0.4734E-01 0.4734E-01 0.4734E-01 0.4395E-01

TWh Generated                                 5.987      5.987      5.987      5.987      5.909

TWh Generated Qualifying                      5.987      5.987      5.987      5.987      5.909

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             0.000      0.000      0.000      0.000      0.000

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 18

Environmental Measures Report

Constraint Name: NOx Policy for State of     New Hampshire   Remaining Co Constraint #:  18

Constraint Type: Rate Limit [lb/MMBtu]

Run Year, Seasons Included: 2007 SUMMER

Run Year, Seasons Included: 2010 SUMMER

Run Year, Seasons Included: 2015 SUMMER

Run Year, Seasons Included: 2020 SUMMER

Run Year, Seasons Included: 2026 SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [lb/MMBtu]                        0.2000     0.2000     0.2000     0.2000     0.2000

 -Emissions at Affected Plants [MTons]        0.000      0.000      0.000      0.000      0.000

 -Less Allowances Purchased [MTons] NOX       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] NOX            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 0.000      0.000      0.000      0.000      0.000

TBtu Consumed                                 0.000      0.000      0.000      0.000      0.000

Rate - [lb/MMBtu]                             0.000      0.000      0.000      0.000      0.000

TWh Generated                                 0.000      0.000      0.000      0.000      0.000

TWh Generated Qualifying                      0.000      0.000      0.000      0.000      0.000

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             0.000      0.000      0.000      0.000      0.000

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 19

Environmental Measures Report

Constraint Name: SO2 Policy for State of     New Hampshire                Constraint #:  19

Constraint Type: Rate Cap [MTons]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [MTon]                             7.289      7.289      7.289      7.289      7.289

 -Emissions at Affected Plants [MTons]        7.289      7.152      7.426      7.289      7.289

 -Less Allowances Purchased [MTons] SO2       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] SO2            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000     0.1370      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000    -0.1370      0.000      0.000

Total [MTons]                                 7.289      7.289      7.289      7.289      7.289

TBtu Consumed                                 42.54      43.24      43.74      43.49      43.49

Rate - [lb/MMBtu]                            0.3427     0.3308     0.3395     0.3352     0.3352

TWh Generated                                 3.913      3.968      4.007      3.987      3.987

TWh Generated Qualifying                      3.913      3.968      4.007      3.987      3.987

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             632.1      239.5      310.7      302.6      43.07

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 20

Environmental Measures Report

Constraint Name: CO2 Policy for State of     New Hampshire                Constraint #:  20

Constraint Type: Rate Cap [MTons]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [MTon]                             5426.      5426.      5426.      5426.      5426.

 -Emissions at Affected Plants [MTons]        4368.      4441.      4492.      4467.      4467.

 -Less Allowances Purchased [MTons] CO2       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] CO2            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 4368.      4441.      4492.      4467.      4467.

TBtu Consumed                                 42.57      43.28      43.78      43.53      43.53

Rate - [lb/MMBtu]                             205.2      205.2      205.2      205.2      205.2

TWh Generated                                 3.915      3.971      4.010      3.990      3.990

TWh Generated Qualifying                      3.915      3.971      4.010      3.990      3.990

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             0.000      0.000      0.000      0.000      0.000

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 21

Environmental Measures Report

Constraint Name: NOx Policy for State of     New York                     Constraint #:  21

Constraint Type: Rate Cap [MTons]

Run Year, Seasons Included: 2007 WINTER

Run Year, Seasons Included: 2010 WINTER

Run Year, Seasons Included: 2015 WINTER

Run Year, Seasons Included: 2020 WINTER

Run Year, Seasons Included: 2026 WINTER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [MTon]                             39.91      39.91      39.91      39.91      39.91

 -Emissions at Affected Plants [MTons]        28.53      21.70      12.20      12.11      12.31

 -Less Allowances Purchased [MTons] NOX       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] NOX            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 28.53      21.70      12.20      12.11      12.31

TBtu Consumed                                 330.2      329.6      353.1      410.8      459.6

Rate - [lb/MMBtu]                            0.1728     0.1316     0.6912E-01 0.5898E-01 0.5356E-01

TWh Generated                                 37.69      39.51      44.58      52.73      59.64

TWh Generated Qualifying                      37.69      39.51      44.58      52.73      59.64

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             0.000      0.000      0.000      0.000      0.000

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 22

Environmental Measures Report

Constraint Name: SO2 Policy for State of     New York                     Constraint #:  22

Constraint Type: Rate Cap [MTons]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [MTon]                             197.0      131.4      131.4      131.4      131.4

 -Emissions at Affected Plants [MTons]        197.0      98.74      40.34      32.83      31.23

 -Less Allowances Purchased [MTons] SO2       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] SO2            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 197.0      98.74      40.34      32.83      31.23

TBtu Consumed                                 270.4      241.7      241.2      336.2      414.9

Rate - [lb/MMBtu]                             1.457     0.8169     0.3345     0.1953     0.1505

TWh Generated                                 26.76      24.27      23.99      37.87      49.05

TWh Generated Qualifying                      26.76      24.27      23.99      37.87      49.05

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             2.411      0.000      0.000      0.000      0.000

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 23

Environmental Measures Report

Constraint Name: NOx Policy for State of     Wisconsin                    Constraint #:  23

Constraint Type: Rate Limit [lb/MMBtu]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [lb/MMBtu]                         0.000     0.2500     0.1500     0.1500     0.1500

 -Emissions at Affected Plants [MTons]        0.000      13.34      9.026      8.728      8.524

 -Less Allowances Purchased [MTons] NOX       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] NOX            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 0.000      13.34      9.026      8.728      8.524

TBtu Consumed                                 0.000      202.1      202.5      200.9      199.3

Rate - [lb/MMBtu]                             0.000     0.1320     0.8916E-01 0.8690E-01 0.8552E-01

TWh Generated                                 0.000      19.24      19.16      19.01      18.86

TWh Generated Qualifying                      0.000      19.24      19.16      19.01      18.86

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             0.000      0.000      0.000      0.000      0.000

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 24

Environmental Measures Report

Constraint Name: SO2 Policy for State of     Wisconsin                    Constraint #:  24

Constraint Type: Rate Limit [lb/MMBtu]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [lb/MMBtu]                         0.000     0.7000     0.4500     0.4500     0.4500

 -Emissions at Affected Plants [MTons]        0.000      36.16      24.48      23.54      22.81

 -Less Allowances Purchased [MTons] SO2       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] SO2            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 0.000      36.16      24.48      23.54      22.81

TBtu Consumed                                 0.000      202.1      202.5      200.9      199.3

Rate - [lb/MMBtu]                             0.000     0.3578     0.2418     0.2344     0.2289

TWh Generated                                 0.000      19.24      19.16      19.01      18.86

TWh Generated Qualifying                      0.000      19.24      19.16      19.01      18.86

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             0.000      0.000      0.000      0.000      0.000

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 25

Environmental Measures Report

Constraint Name: NOx Policy for     Houston    Texas                         Constraint #:  25

Constraint Type: Rate Cap [MTons]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [MTon]                             8.450      8.450      8.450      8.450      8.450

 -Emissions at Affected Plants [MTons]        8.450      8.450      8.450      8.450      8.450

 -Less Allowances Purchased [MTons] NOX       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] NOX            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 8.450      8.450      8.450      8.450      8.450

TBtu Consumed                                 286.5      290.9      262.0      276.9      284.3

Rate - [lb/MMBtu]                            0.5899E-01 0.5810E-01 0.6451E-01 0.6104E-01 0.5944E-01

TWh Generated                                 31.23      31.63      27.05      29.13      30.91

TWh Generated Qualifying                      31.23      31.63      27.05      29.13      30.91

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]            0.1916E+05 0.1814E+05 0.1241E+05  9497.      3289.

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 26

Environmental Measures Report

Constraint Name: NOx Policy for Dallas/Fort     Texas                     Constraint #:  26

Constraint Type: Rate Cap [MTons]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [MTon]                             2.164      2.164      2.164      2.164      2.164

 -Emissions at Affected Plants [MTons]       0.9841      1.050     0.6233     0.5596     0.4356

 -Less Allowances Purchased [MTons] NOX       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] NOX            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                0.9841      1.050     0.6233     0.5596     0.4356

TBtu Consumed                                 32.96      40.21      23.71      18.42      15.36

Rate - [lb/MMBtu]                            0.5972E-01 0.5222E-01 0.5258E-01 0.6077E-01 0.5674E-01

TWh Generated                                 3.131      3.830      2.258      1.748      1.459

TWh Generated Qualifying                      3.131      3.830      2.258      1.748      1.459

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             0.000      0.000      0.000      0.000      0.000

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 27

Environmental Measures Report

Constraint Name: NOx Policy for East   Central Texas                   Constraint #:  27

Constraint Type: Rate Cap [MTons]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [MTon]                             123.5      123.5      123.5      123.5      123.5

 -Emissions at Affected Plants [MTons]        118.8      123.5      115.4      109.3      99.21

 -Less Allowances Purchased [MTons] NOX       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] NOX            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 118.8      123.5      115.4      109.3      99.21

TBtu Consumed                                 1689.      1807.      1585.      1487.      1311.

Rate - [lb/MMBtu]                            0.1407     0.1368     0.1457     0.1471     0.1513

TWh Generated                                 179.5      190.1      163.6      152.9      133.7

TWh Generated Qualifying                      179.5      190.1      163.6      152.9      133.7

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             0.000      597.7      0.000      0.000      0.000

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 28

Environmental Measures Report

Constraint Name: SO2 Policy for     Texas   East (Senate Bill 7)          Constraint #:  28

Constraint Type: Rate Cap [MTons]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [MTon]                             111.2      111.2      111.2      111.2      111.2

 -Emissions at Affected Plants [MTons]        85.64      85.64      85.64      42.24      8.393

 -Less Allowances Purchased [MTons] SO2       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] SO2            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 85.64      85.64      85.64      42.24      8.393

TBtu Consumed                                 171.3      171.3      171.3      171.2      167.9

Rate - [lb/MMBtu]                             1.000      1.000      1.000     0.4933     0.1000

TWh Generated                                 16.98      16.98      16.98      16.76      16.32

TWh Generated Qualifying                      16.98      16.98      16.98      16.76      16.32

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             0.000      0.000      0.000      0.000      0.000

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 29

Environmental Measures Report

Constraint Name: NOx Policy for Rest of   Texas  East                  Constraint #:  29

Constraint Type: Rate Cap [MTons]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [MTon]                             58.37      58.37      58.37      58.37      58.37

 -Emissions at Affected Plants [MTons]        24.70      32.79      26.43      22.29      20.57

 -Less Allowances Purchased [MTons] NOX       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] NOX            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 24.70      32.79      26.43      22.29      20.57

TBtu Consumed                                 314.5      429.1      343.6      289.7      259.3

Rate - [lb/MMBtu]                            0.1571     0.1528     0.1538     0.1539     0.1587

TWh Generated                                 30.88      41.39      33.32      28.03      25.18

TWh Generated Qualifying                      30.88      41.39      33.32      28.03      25.18

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             0.000      0.000      0.000      0.000      0.000

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 30

Environmental Measures Report

Constraint Name: NOx Policy for   Texas  West                          Constraint #:  30

Constraint Type: Rate Cap [MTons]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [MTon]                             18.03      18.03      18.03      18.03      18.03

 -Emissions at Affected Plants [MTons]        6.259      6.373      3.868      3.428      2.072

 -Less Allowances Purchased [MTons] NOX       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] NOX            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 6.259      6.373      3.868      3.428      2.072

TBtu Consumed                                 63.97      65.15      41.72      35.44      19.68

Rate - [lb/MMBtu]                            0.1957     0.1956     0.1855     0.1934     0.2105

TWh Generated                                 5.914      6.013      3.868      3.305      1.893

TWh Generated Qualifying                      5.914      6.013      3.868      3.305      1.893

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             0.000      0.000      0.000      0.000      0.000

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 31

Environmental Measures Report

Constraint Name: NOx Policy for     El Paso    Texas                         Constraint #:  31

Constraint Type: Rate Cap [MTons]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [MTon]                             1.058      1.058      1.058      1.058      1.058

 -Emissions at Affected Plants [MTons]        0.000      0.000      0.000      0.000      0.000

 -Less Allowances Purchased [MTons] NOX       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] NOX            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 0.000      0.000      0.000      0.000      0.000

TBtu Consumed                                 0.000      0.000      0.000      0.000      0.000

Rate - [lb/MMBtu]                             0.000      0.000      0.000      0.000      0.000

TWh Generated                                 0.000      0.000      0.000      0.000      0.000

TWh Generated Qualifying                      0.000      0.000      0.000      0.000      0.000

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             0.000      0.000      0.000      0.000      0.000

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 32

Environmental Measures Report

Constraint Name: CFR   Connecticut  NOx Facility Specific Constraint   Constraint #:  32

Constraint Type: Rate Limit [lb/MMBtu]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [lb/MMBtu]                        0.1500     0.1500     0.1500     0.1500     0.1500

 -Emissions at Affected Plants [MTons]        2.113      2.113      2.113      2.113      2.113

 -Less Allowances Purchased [MTons] NOX       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] NOX            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 2.113      2.113      2.113      2.113      2.113

TBtu Consumed                                 28.17      28.17      28.17      28.17      28.17

Rate - [lb/MMBtu]                            0.1500     0.1500     0.1500     0.1500     0.1500

TWh Generated                                 2.820      2.810      2.810      2.810      2.810

TWh Generated Qualifying                      2.820      2.810      2.810      2.810      2.810

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             8978.      0.000      0.000      0.000      0.000

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 33

Environmental Measures Report

Constraint Name: CDU   Connecticut  NOx Facility Specific Constraint   Constraint #:  33

Constraint Type: Rate Limit [lb/MMBtu]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [lb/MMBtu]                        0.1500     0.1500     0.1500     0.1500     0.1500

 -Emissions at Affected Plants [MTons]       0.4644     0.4644     0.4644     0.4644     0.4644

 -Less Allowances Purchased [MTons] NOX       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] NOX            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                0.4644     0.4644     0.4644     0.4644     0.4644

TBtu Consumed                                 15.48      15.48      15.48      15.48      15.48

Rate - [lb/MMBtu]                            0.6000E-01 0.6000E-01 0.6000E-01 0.6000E-01 0.6000E-01

TWh Generated                                 1.452      1.452      1.452      1.452      1.452

TWh Generated Qualifying                      1.452      1.452      1.452      1.452      1.452

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             0.000      0.000      0.000      0.000      0.000

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 34

Environmental Measures Report

Constraint Name: BSM   Connecticut  NOx Facility Specific Constraint   Constraint #:  34

Constraint Type: Rate Limit [lb/MMBtu]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [lb/MMBtu]                        0.1500     0.1500     0.1500     0.1500     0.1500

 -Emissions at Affected Plants [MTons]       0.1852     0.8683E-01 0.8683E-01 0.8683E-01 0.8683E-01

 -Less Allowances Purchased [MTons] NOX       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] NOX            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                0.1852     0.8683E-01 0.8683E-01 0.8683E-01 0.8683E-01

TBtu Consumed                                 2.485      1.165      1.165      1.165      1.165

Rate - [lb/MMBtu]                            0.1490     0.1490     0.1490     0.1490     0.1490

TWh Generated                                0.2632     0.1234     0.1234     0.1234     0.1234

TWh Generated Qualifying                     0.2632     0.1234     0.1234     0.1234     0.1234

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             0.000      0.000      0.000      0.000      0.000

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 35

Environmental Measures Report

Constraint Name: BLR   Connecticut  NOx Facility Specific Constraint   Constraint #:  35

Constraint Type: Rate Limit [lb/MMBtu]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [lb/MMBtu]                        0.1500     0.1500     0.1500     0.1500     0.1500

 -Emissions at Affected Plants [MTons]        0.000      0.000      0.000      0.000      0.000

 -Less Allowances Purchased [MTons] NOX       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] NOX            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 0.000      0.000      0.000      0.000      0.000

TBtu Consumed                                 0.000      0.000      0.000      0.000      0.000

Rate - [lb/MMBtu]                             0.000      0.000      0.000      0.000      0.000

TWh Generated                                 0.000      0.000      0.000      0.000      0.000

TWh Generated Qualifying                      0.000      0.000      0.000      0.000      0.000

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             0.000      939.7      752.8      248.3      753.3

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 36

Environmental Measures Report

Constraint Name: BLQ   Connecticut  NOx Facility Specific Constraint   Constraint #:  36

Constraint Type: Rate Limit [lb/MMBtu]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [lb/MMBtu]                        0.1500     0.1500     0.1500     0.1500     0.1500

 -Emissions at Affected Plants [MTons]        0.000      0.000      0.000      0.000      0.000

 -Less Allowances Purchased [MTons] NOX       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] NOX            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 0.000      0.000      0.000      0.000      0.000

TBtu Consumed                                 0.000      0.000      0.000      0.000      0.000

Rate - [lb/MMBtu]                             0.000      0.000      0.000      0.000      0.000

TWh Generated                                 0.000      0.000      0.000      0.000      0.000

TWh Generated Qualifying                      0.000      0.000      0.000      0.000      0.000

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             0.000      0.000      0.000      0.000      0.000

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 37

Environmental Measures Report

Constraint Name: BKB   Connecticut  NOx Facility Specific Constraint   Constraint #:  37

Constraint Type: Rate Limit [lb/MMBtu]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [lb/MMBtu]                        0.1500     0.1500     0.1500     0.1500     0.1500

 -Emissions at Affected Plants [MTons]        0.000      0.000      0.000      0.000      0.000

 -Less Allowances Purchased [MTons] NOX       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] NOX            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 0.000      0.000      0.000      0.000      0.000

TBtu Consumed                                 0.000      0.000      0.000      0.000      0.000

Rate - [lb/MMBtu]                             0.000      0.000      0.000      0.000      0.000

TWh Generated                                 0.000      0.000      0.000      0.000      0.000

TWh Generated Qualifying                      0.000      0.000      0.000      0.000      0.000

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             0.000      5345.      752.8      2400.      2443.

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 38

Environmental Measures Report

Constraint Name: BKA   Connecticut  NOx Facility Specific Constraint   Constraint #:  38

Constraint Type: Rate Limit [lb/MMBtu]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [lb/MMBtu]                        0.1500     0.1500     0.1500     0.1500     0.1500

 -Emissions at Affected Plants [MTons]        0.000      0.000      0.000      0.000      0.000

 -Less Allowances Purchased [MTons] NOX       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] NOX            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 0.000      0.000      0.000      0.000      0.000

TBtu Consumed                                 0.000      0.000      0.000      0.000      0.000

Rate - [lb/MMBtu]                             0.000      0.000      0.000      0.000      0.000

TWh Generated                                 0.000      0.000      0.000      0.000      0.000

TWh Generated Qualifying                      0.000      0.000      0.000      0.000      0.000

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             0.000      0.000      0.000      0.000      0.000

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 39

Environmental Measures Report

Constraint Name: BJE   Connecticut  NOx Facility Specific Constraint   Constraint #:  39

Constraint Type: Rate Limit [lb/MMBtu]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [lb/MMBtu]                        0.1500     0.1500     0.1500     0.1500     0.1500

 -Emissions at Affected Plants [MTons]        0.000      0.000      0.000      0.000      0.000

 -Less Allowances Purchased [MTons] NOX       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] NOX            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 0.000      0.000      0.000      0.000      0.000

TBtu Consumed                                 0.000      0.000      0.000      0.000      0.000

Rate - [lb/MMBtu]                             0.000      0.000      0.000      0.000      0.000

TWh Generated                                 0.000      0.000      0.000      0.000      0.000

TWh Generated Qualifying                      0.000      0.000      0.000      0.000      0.000

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             0.000      939.7      752.8      2400.      753.3

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 40

Environmental Measures Report

Constraint Name: BJD   Connecticut  NOx Facility Specific Constraint   Constraint #:  40

Constraint Type: Rate Limit [lb/MMBtu]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [lb/MMBtu]                        0.1500     0.1500     0.1500     0.1500     0.1500

 -Emissions at Affected Plants [MTons]        0.000      0.000      0.000      0.000      0.000

 -Less Allowances Purchased [MTons] NOX       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] NOX            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 0.000      0.000      0.000      0.000      0.000

TBtu Consumed                                 0.000      0.000      0.000      0.000      0.000

Rate - [lb/MMBtu]                             0.000      0.000      0.000      0.000      0.000

TWh Generated                                 0.000      0.000      0.000      0.000      0.000

TWh Generated Qualifying                      0.000      0.000      0.000      0.000      0.000

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             0.000      0.000      0.000      0.000      0.000

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 41

Environmental Measures Report

Constraint Name: ATH   Connecticut  NOx Facility Specific Constraint   Constraint #:  41

Constraint Type: Rate Limit [lb/MMBtu]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [lb/MMBtu]                        0.1500     0.1500     0.1500     0.1500     0.1500

 -Emissions at Affected Plants [MTons]        4.856      4.017      3.872      3.107      3.681

 -Less Allowances Purchased [MTons] NOX       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] NOX            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 4.856      4.017      3.872      3.107      3.681

TBtu Consumed                                 65.18      53.91      51.98      41.70      49.41

Rate - [lb/MMBtu]                            0.1490     0.1490     0.1490     0.1490     0.1490

TWh Generated                                 8.955      7.407      7.141      5.729      6.787

TWh Generated Qualifying                      8.955      7.407      7.141      5.729      6.787

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             0.000      0.000      0.000      0.000      0.000

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 42

Environmental Measures Report

Constraint Name: AIO   Connecticut  NOx Facility Specific Constraint   Constraint #:  42

Constraint Type: Rate Limit [lb/MMBtu]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [lb/MMBtu]                        0.1500     0.1500     0.1500     0.1500     0.1500

 -Emissions at Affected Plants [MTons]        0.000      0.000      0.000      0.000      0.000

 -Less Allowances Purchased [MTons] NOX       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] NOX            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                 0.000      0.000      0.000      0.000      0.000

TBtu Consumed                                 0.000      0.000      0.000      0.000      0.000

Rate - [lb/MMBtu]                             0.000      0.000      0.000      0.000      0.000

TWh Generated                                 0.000      0.000      0.000      0.000      0.000

TWh Generated Qualifying                      0.000      0.000      0.000      0.000      0.000

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             0.000      0.000      0.000      0.000      0.000

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 43

Environmental Measures Report

Constraint Name: AIN   Connecticut  NOx Facility Specific Constraint   Constraint #:  43

Constraint Type: Rate Limit [lb/MMBtu]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [lb/MMBtu]                        0.1500     0.1500     0.1500     0.1500     0.1500

 -Emissions at Affected Plants [MTons]       0.5639E-01 0.5639E-01 0.5639E-01 0.2408E-01 0.2408E-01

 -Less Allowances Purchased [MTons] NOX       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] NOX            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                0.5639E-01 0.5639E-01 0.5639E-01 0.2408E-01 0.2408E-01

TBtu Consumed                                0.7569     0.7569     0.7569     0.3232     0.3232

Rate - [lb/MMBtu]                            0.1490     0.1490     0.1490     0.1490     0.1490

TWh Generated                                0.7099E-01 0.7099E-01 0.7099E-01 0.3031E-01 0.3031E-01

TWh Generated Qualifying                     0.7099E-01 0.7099E-01 0.7099E-01 0.3031E-01 0.3031E-01

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             0.000      0.000      0.000      0.000      0.000

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 44

Environmental Measures Report

Constraint Name: AIM   Connecticut  NOx Facility Specific Constraint   Constraint #:  44

Constraint Type: Rate Limit [lb/MMBtu]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030

Standard - [lb/MMBtu]                        0.1500     0.1500     0.1500     0.1500     0.1500

 -Emissions at Affected Plants [MTons]       0.3984     0.3984     0.1829     0.1327     0.1327

 -Less Allowances Purchased [MTons] NOX       0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Sold [MTons] NOX            0.000      0.000      0.000      0.000      0.000

 -Plus Allowances Banked [MTons]              0.000      0.000      0.000      0.000      0.000

 -Less Allowances Withdrawn [MTons]           0.000      0.000      0.000      0.000      0.000

Total [MTons]                                0.3984     0.3984     0.1829     0.1327     0.1327

TBtu Consumed                                 5.348      5.348      2.455      1.782      1.782

Rate - [lb/MMBtu]                            0.1490     0.1490     0.1490     0.1490     0.1490

TWh Generated                                0.6147     0.6147     0.2822     0.2048     0.2048

TWh Generated Qualifying                     0.6147     0.6147     0.2822     0.2048     0.2048

Rate - [lb/MWh]                               0.000      0.000      0.000      0.000      0.000

Constraint Shadow Price [US$/Ton]             0.000      0.000      0.000      0.000      0.000

EPA Policy Case for Proposed Ozone NAAQS RIA for EGU Sources                                            Page: 10. 45

Environmental Measures Report

Constraint Name: AIL   Connecticut  NOx Facility Specific Constraint   Constraint #:  45

Constraint Type: Rate Limit [lb/MMBtu]

Run Year, Seasons Included: 2007 WINTER   SUMMER

Run Year, Seasons Included: 2010 WINTER   SUMMER

Run Year, Seasons Included: 2015 WINTER   SUMMER

Run Year, Seasons Included: 2020 WINTER   SUMMER

Run Year, Seasons Included: 2026 WINTER   SUMMER

Time Base: Seasonal/Annual                   2007-2007  2008-2012  2013-2017  2018-2022  2023-2030