dry Cold side ESP wall dry Cold side ESP wall dry Cold side ESP wall dry Cold side ESP wall dry Cold side ESP wall dry Cold side ESP wall dry Cold side ESP wall dry Cold side ESP tangential dry Hot side ESP + Fabric Filter Page 591 2010  Base Case 2004 Cyclone stoker/ SPR dry Fabric Filter stoker/ SPR dry Fabric Filter Fabric Filter + Dry Scrubber other wall dry Cold side ESP wall dry Cold side ESP wall dry Cold side ESP wall dry Cold side ESP wall dry Cold side ESP tangential dry Cold side ESP Page 592 2010  Base Case 2004 Cold side ESP Cold side ESP Cold side ESP Cold side ESP wall dry Cold side ESP wall dry Cold side ESP wall dry Cold side ESP tangential dry Wet Scrubber tangential dry Cold side ESP tangential dry Cold side ESP tangential dry Cold side ESP + Wet Scrubber other other other wall dry Hot side ESP + Wet Scrubber wall dry Hot side ESP Page 593 2010  Base Case 2004 vertical dry Fabric Filter vertical dry Fabric Filter wall dry Fabric Filter vertical dry Fabric Filter vertical dry Fabric Filter wall dry Fabric Filter + Dry Scrubber tangential dry Fabric Filter wall dry Cold side ESP wall dry Cold side ESP wall dry Cold side ESP wall dry Cold side ESP wall dry Cold side ESP + SCR tangential dry Fabric Filter wall dry Fabric Filter tangential dry Fabric Filter + Dry Scrubber wall dry Fabric Filter wall dry Fabric Filter wall dry Fabric Filter Page 594 2010  Base Case 2004 tangential dry Hot side ESP + Wet Scrubber tangential dry Hot side ESP + Wet Scrubber tangential dry Hot side ESP + Wet Scrubber wall dry Cold side ESP wall dry Cold side ESP wall dry Cold side ESP wall dry Cold side ESP wall dry Cold side ESP wall dry Cold side ESP tangential dry Cold side ESP + SCR + Wet Scrubber tangential dry SCR + Wet Scrubber Fabric Filter + Dry Scrubber other other Page 595 2010  Base Case 2004 tangential dry tangential dry other other other other other other other other FBC dry Fabric Filter + SNCR + Wet Scrubber other other other other other Page 596 2010  Base Case 2004 other other other other other other other other other other other other other other other wall dry wall dry wall dry wall dry FBC dry Page 597 2010  Base Case 2004 Dry Scrubber other other other other other other Page 598 2010  Base Case 2004 other other other other other other other Page 599 2010  Base Case 2004 other other other wall dry other other other other other Page 600 2010  Base Case 2004 Dry Scrubber other other other other other other other other other other other other Dry Scrubber other other Page 601 2010  Base Case 2004 Fabric Filter + Dry Scrubber Dry Scrubber other SNCR + Dry Scrubber wall dry SCR + Dry Scrubber other other other wall dry Cold side ESP + Wet Scrubber other wall dry Fabric Filter + Dry Scrubber wall dry Fabric Filter + Dry Scrubber other other Page 602 2010  Base Case 2004 other Page 603 2010  Base Case 2004 other other other other other other other other other Page 604 2010  Base Case 2004 other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other Page 605 2010  Base Case 2004 wall dry Fabric Filter + Dry Scrubber tangential dry Fabric Filter + Dry Scrubber FBC dry Fabric Filter + Dry Scrubber other wall wet Fabric Filter + Dry Scrubber other stoker/ SPR dry Dry Scrubber stoker/ SPR dry Dry Scrubber stoker/ SPR dry Dry Scrubber stoker/ SPR dry Dry Scrubber Page 606 2010  Base Case 2004 Fabric Filter + Dry Scrubber SNCR other tangential dry SCR + Dry Scrubber other other other other other other other Page 607 2010  Base Case 2004 other other other other other other other Page 608 2010  Base Case 2004 other other other other other other other other other other other other other other other other other other other other other other other other other Page 609 2010  Base Case 2004 other other other other other other other other other other other other other other other other other other other other other Dry Scrubber other other Page 610 2010  Base Case 2004 Fabric Filter + Dry Scrubber other other other other other other other other Page 611 2010  Base Case 2004 other other other other other other other other other other other other other other other other other other other other Page 612 2010  Base Case 2004 other other other other other other other other other other Page 613 2010  Base Case 2004 other other other other other other other Page 614 2010  Base Case 2004 other other other other other other other other other other other other other other other other other other other other other Page 615 2010  Base Case 2004 other other other other other other other Page 616 2010  Base Case 2004 Page 617 2010  Base Case 2004 other other Page 618 2010  Base Case 2004 other other other other other other other other other other Page 619 2010  Base Case 2004 Page 620 2010  Base Case 2004 Page 621 2010  Base Case 2004 Page 622 2010  Base Case 2004 Page 623 2010  Base Case 2004 wall dry Cold side ESP wall dry Cold side ESP wall dry Cold side ESP wall wet Fabric Filter + SCR + Dry Scrubber other other other other other other other other other other other Page 624 2010  Base Case 2004 wall dry Hot side ESP wall dry Hot side ESP + Wet Scrubber wall dry Hot side ESP + Wet Scrubber Page 625 2010  Base Case 2004 wall dry Cold side ESP + Wet Scrubber wall dry Cold side ESP + SCR + Wet Scrubber tangential dry Cold side ESP other other tangential dry Hot side ESP tangential dry Cold side ESP + SNCR tangential dry Cold side ESP + SNCR wall dry Cold side ESP wall dry Cold side ESP wall dry Cold side ESP + SNCR wall dry Cold side ESP + SNCR tangential dry Hot side ESP wall dry Cold side ESP + SCR wall dry Cold side ESP + SCR wall dry Cold side ESP + SCR wall dry Cold side ESP + SCR wall dry Cold side ESP + Wet Scrubber wall dry Cold side ESP + Wet Scrubber tangential dry Cold side ESP tangential dry Cold side ESP Page 626 2010  Base Case 2004 wall dry Cold side ESP + Wet Scrubber tangential dry Cold side ESP tangential dry Cold side ESP wall dry Hot side ESP + SCR + Wet Scrubber wall dry Cold side ESP + SCR + Wet Scrubber wall dry Hot side ESP + SCR wall dry Hot side ESP + SCR wall dry Hot side ESP + Wet Scrubber wall dry Hot side ESP + Wet Scrubber wall dry Fabric Filter + Dry Scrubber tangential dry Cold side ESP + Wet Scrubber tangential dry Cold side ESP + Wet Scrubber wall dry Hot side ESP + SCR wall dry Cold side ESP wall dry Cold side ESP other other wall dry Hot side ESP + SCR tangential dry Hot side ESP + SCR Page 627 2010  Base Case 2004 tangential dry Cold side ESP + SCR tangential dry Cold side ESP + SCR wall dry Cold side ESP wall dry Cold side ESP wall dry Cold side ESP wall dry Hot side ESP + Wet Scrubber wall dry Hot side ESP + Wet Scrubber wall dry Cold side ESP wall dry Cold side ESP tangential dry Cold side ESP + Wet Scrubber tangential dry Cold side ESP + Wet Scrubber tangential dry Cold side ESP + Wet Scrubber tangential dry Cold side ESP + SCR + Wet Scrubber tangential dry Cold side ESP tangential dry Cold side ESP tangential dry Wet Scrubber tangential dry Wet Scrubber Page 628 2010  Base Case 2004 tangential dry Wet Scrubber tangential dry Wet Scrubber wall dry Hot side ESP + Fabric Filter wall dry Hot side ESP wall dry Cold side ESP + SCR + Wet Scrubber cyclone wet Cold side ESP wall dry Cold side ESP tangential dry Cold side ESP + Wet Scrubber tangential dry Cold side ESP + Wet Scrubber other tangential dry Wet Scrubber tangential dry Hot side ESP + Wet Scrubber tangential dry Hot side ESP + Wet Scrubber wall dry Fabric Filter + Dry Scrubber wall dry SCR + Wet Scrubber wall dry SCR + Wet Scrubber wall dry Cold side ESP + Wet Scrubber tangential dry Cold side ESP tangential dry Cold side ESP wall dry Cold side ESP other cyclone wet Cold side ESP wall dry Cold side ESP + Dry Scrubber wall dry Cold side ESP wall dry Cold side ESP + SCR wall dry Cold side ESP + SCR Page 629 2010  Base Case 2004 wall dry Cold side ESP + SCR wall dry Cold side ESP + SCR + Wet Scrubber wall dry Cold side ESP + SCR + Wet Scrubber wall dry Cold side ESP Page 630 2010  Base Case 2004 tangential dry Cold side ESP + Wet Scrubber wall dry Cold side ESP + SCR + Wet Scrubber wall dry Cold side ESP + SCR + Wet Scrubber wall dry Hot side ESP wall dry Hot side ESP wall dry Hot side ESP wall dry Hot side ESP tangential wet Cold side ESP + Wet Scrubber tangential wet Cold side ESP + Wet Scrubber tangential wet Cold side ESP + Wet Scrubber tangential wet Cold side ESP tangential wet Cold side ESP wall wet Cold side ESP + Wet Scrubber tangential dry Cold side ESP tangential dry Cold side ESP tangential dry Cold side ESP + Wet Scrubber tangential dry Cold side ESP + Wet Scrubber wall dry Fabric Filter + Wet Scrubber wall dry Cold side ESP wall dry Cold side ESP wall dry Cold side ESP + SCR + Wet Scrubber Page 631 2010  Base Case 2004 wall dry Cold side ESP + SCR wall dry Hot side ESP + Wet Scrubber wall dry Hot side ESP + Wet Scrubber tangential dry Hot side ESP wall dry Cold side ESP tangential dry Cold side ESP tangential dry Cold side ESP + Wet Scrubber tangential dry Cold side ESP tangential dry Cold side ESP wall dry Cold side ESP + Wet Scrubber wall dry Hot side ESP tangential dry Cold side ESP tangential dry Fabric Filter tangential dry Fabric Filter tangential dry Fabric Filter tangential dry Fabric Filter wall dry Cold side ESP + Wet Scrubber other other other wall dry Cold side ESP + Wet Scrubber wall dry Cold side ESP + Wet Scrubber wall dry Cold side ESP + Wet Scrubber wall dry Cold side ESP + Wet Scrubber wall dry Cold side ESP + Wet Scrubber Page 632 2010  Base Case 2004 wall dry Fabric Filter wall dry Cold side ESP + SCR wall dry Cold side ESP + SCR wall dry Cold side ESP + SCR + Wet Scrubber wall dry Cold side ESP + SCR + Wet Scrubber wall dry Hot side ESP wall dry Hot side ESP tangential dry Hot side ESP tangential dry Cold side ESP tangential dry Cold side ESP tangential dry Cold side ESP tangential dry Cold side ESP wall dry Cold side ESP + SCR + Wet Scrubber tangential dry Cold side ESP tangential dry Cold side ESP wall dry Cold side ESP wall dry Cold side ESP Page 633 2010  Base Case 2004 tangential dry Cold side ESP tangential dry Cold side ESP wall dry Cold side ESP + SNCR wall dry Cold side ESP + SCR wall dry Cold side ESP wall dry Cold side ESP tangential dry Cold side ESP tangential dry Cold side ESP Page 634 2010  Base Case 2004 wall wet Cold side ESP + Wet Scrubber wall wet Cold side ESP + Wet Scrubber wall wet Cold side ESP + Wet Scrubber tangential dry Cold side ESP + Wet Scrubber other tangential dry Fabric Filter + Dry Scrubber tangential dry Fabric Filter + Dry Scrubber other wall dry Fabric Filter + Wet Scrubber wall dry Fabric Filter + Wet Scrubber Page 635 2010  Base Case 2004 other wall dry Hot side ESP Page 636 2010  Base Case 2004 wall dry Cold side ESP + Wet Scrubber wall dry Cold side ESP + Wet Scrubber tangential wet Cold side ESP tangential wet Cold side ESP tangential wet Cold side ESP + Wet Scrubber other wall dry Hot side ESP wall dry Cold side ESP other Page 637 2010  Base Case 2004 wall dry Cold side ESP + Wet Scrubber tangential dry Fabric Filter + Dry Scrubber wall dry Cold side ESP + Wet Scrubber wall dry Cold side ESP wall dry Cold side ESP + SCR + Wet Scrubber Page 638 2010  Base Case 2004 tangential dry Cold side ESP tangential dry Cold side ESP other Page 639 2010  Base Case 2004 other other tangential dry Cold side ESP + SCR tangential dry Cold side ESP + SCR tangential dry Cold side ESP + SCR tangential dry Cold side ESP + SCR FBC dry Fabric Filter + Dry Scrubber FBC dry Fabric Filter + Dry Scrubber wall dry Cold side ESP wall dry Cold side ESP wall dry Cold side ESP wall dry Cold side ESP + SCR cell dry Cold side ESP wall dry Cold side ESP cell dry Cold side ESP cell dry Cold side ESP tangential dry Fabric Filter + Wet Scrubber tangential dry Cold side ESP tangential dry Cold side ESP Page 640 2010  Base Case 2004 other other other other other Page 641 2010  Base Case 2004 other tangential dry Fabric Filter + Dry Scrubber tangential dry Fabric Filter + SNCR + Wet Scrubber tangential dry Fabric Filter + SNCR + Wet Scrubber other tangential dry Cold side ESP Page 642 2010  Base Case 2004 tangential dry Cold side ESP + Wet Scrubber tangential dry Cold side ESP tangential dry Cold side ESP tangential dry Cold side ESP tangential dry Cold side ESP tangential dry Cold side ESP tangential dry Cold side ESP wall dry Cold side ESP wall dry Cold side ESP wall dry Cold side ESP wall dry Cold side ESP other other other other other tangential dry Cold side ESP Page 643 2010  Base Case 2004 tangential dry Cold side ESP tangential dry Cold side ESP wall dry Cold side ESP other tangential dry Hot side ESP Page 644 2010  Base Case 2004 Page 645 2010  Base Case 2004 Cold side ESP + Dry Scrubber FBC dry Fabric Filter + Dry Scrubber Fabric Filter + Dry Scrubber Page 646 2010  Base Case 2004 other other other other other Page 647 2010  Base Case 2004 Dry Scrubber Page 648 2010  Base Case 2004 wall dry Fabric Filter + Wet Scrubber Page 649 2010  Base Case 2004 Page 650 2010  Base Case 2004 Page 651 2010  Base Case 2004 wall dry Cold side ESP + Wet Scrubber Page 652 2010  Base Case 2004 other other other other other other other other other other other other Page 653 2010  Base Case 2004 tangential dry Cold side ESP + SCR wall dry Cold side ESP wall dry Cold side ESP tangential dry Hot side ESP tangential dry Hot side ESP other tangential dry Hot side ESP tangential dry Cold side ESP Page 654 2010  Base Case 2004 wall dry Cold side ESP + SCR wall dry Cold side ESP + SCR other tangential dry Cold side ESP + Wet Scrubber tangential dry Cold side ESP + Wet Scrubber tangential dry Cold side ESP + Wet Scrubber tangential dry Cold side ESP + Wet Scrubber Page 655 2010  Base Case 2004 tangential dry Cold side ESP + Wet Scrubber tangential dry Cold side ESP other wall dry Cold side ESP + SCR + Wet Scrubber wall dry Cold side ESP + SCR + Wet Scrubber other other other wall dry Fabric Filter cyclone wet Fabric Filter + Dry Scrubber tangential dry Fabric Filter + Dry Scrubber tangential dry Fabric Filter + Dry Scrubber wall dry Fabric Filter wall dry Fabric Filter + Dry Scrubber tangential dry Cold side ESP + SCR Page 656 2010  Base Case 2004 wall dry Cold side ESP wall dry Cold side ESP wall dry Cold side ESP + SCR cyclone wet Cold side ESP + SCR cyclone wet Cold side ESP + SCR tangential dry Cold side ESP tangential dry Cold side ESP tangential dry Cold side ESP tangential dry Cold side ESP tangential dry Cold side ESP tangential dry Cold side ESP tangential dry Cold side ESP other other other other other tangential dry Cold side ESP tangential dry Cold side ESP Page 657 2010  Base Case 2004 tangential dry Fabric Filter + Wet Scrubber cyclone wet Cold side ESP other other other other other cyclone wet Cold side ESP + SCR cyclone wet Cold side ESP + SCR other other other other cyclone wet Cold side ESP cyclone wet Cold side ESP cyclone wet Cold side ESP cyclone wet Cold side ESP other other other other other other other cyclone wet Cold side ESP tangential dry Hot side ESP tangential dry Cold side ESP Page 658 2010  Base Case 2004 cyclone wet Cold side ESP cyclone wet Cold side ESP tangential dry Hot side ESP tangential dry Cold side ESP tangential dry Cold side ESP tangential dry Cold side ESP tangential dry Cold side ESP tangential dry Cold side ESP tangential dry Cold side ESP tangential dry Cold side ESP tangential dry Cold side ESP cyclone wet Cold side ESP + SCR cyclone wet Cold side ESP + SCR tangential dry Cold side ESP other other other other other other other other other other other other other other other other other other other other other Page 659 2010  Base Case 2004 wall dry Hot side ESP + SCR tangential dry Cold side ESP tangential dry Cold side ESP tangential dry Cold side ESP tangential dry Cold side ESP tangential dry Hot side ESP tangential dry Cold side ESP Page 660 2010  Base Case 2004 other Page 661 2010  Base Case 2004 cyclone wet Hot side ESP + SCR + Wet Scrubber cyclone wet Cold side ESP + SCR + Wet Scrubber tangential wet Cold side ESP + SCR + Wet Scrubber cyclone wet Hot side ESP cyclone wet Hot side ESP Page 662 2010  Base Case 2004 cyclone wet Hot side ESP cyclone wet Hot side ESP cyclone wet Hot side ESP cyclone wet Cold side ESP + SCR + Wet Scrubber tangential dry Fabric Filter cyclone wet Cold side ESP wall wet Cold side ESP + SCR wall wet Cold side ESP + SCR wall wet Cold side ESP + SCR wall wet Cold side ESP + SCR wall wet Cold side ESP + SCR wall wet Hot side ESP vertical dry Cold side ESP vertical dry Cold side ESP vertical dry Cold side ESP cyclone wet Cold side ESP tangential dry Cold side ESP tangential dry Cold side ESP tangential dry Cold side ESP Page 663 2010  Base Case 2004 tangential wet Cold side ESP tangential dry Hot side ESP tangential dry Cold side ESP tangential dry Cold side ESP unknown unknown unknown unknown unknown unknown unknown unknown tangential dry Cold side ESP + Wet Scrubber tangential dry Cold side ESP + Wet Scrubber tangential dry Cold side ESP + Wet Scrubber tangential dry Cold side ESP + Wet Scrubber cyclone wet Cold side ESP + Wet Scrubber cyclone wet Cold side ESP + Wet Scrubber wall dry Cold side ESP tangential dry Cold side ESP tangential dry Cold side ESP tangential dry Cold side ESP other other cyclone wet Cold side ESP + SCR other other other other other other other other other other other other other other other other Page 664 2010  Base Case 2004 other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other Page 665 2010  Base Case 2004 other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other Page 666 2010  Base Case 2004 other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other Page 667 2010  Base Case 2004 other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other Page 668 2010  Base Case 2004 other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other Page 669 2010  Base Case 2004 other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other PC unknown Cold side ESP + SCR + Wet Scrubber other other other other other other other other other other other other other other PC unknown Cold side ESP + SCR + Wet Scrubber other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other Page 670 2010  Base Case 2004 other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other other PC unknown Cold side ESP + SCR + Wet Scrubber other other other other other other stoker/ SPR dry Fabric Filter stoker/ SPR dry Fabric Filter wall dry Cold side ESP wall dry Cold side ESP wall dry Cold side ESP Page 671 2010  Base Case 2004 Page 672 2010  Base Case 2004 ExistingNOxControl Fluidized Bed Combustor Steam Injection Steam Injection Steam Injection Steam Injection Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Fluidized Bed Combustor Steam Injection Page 673 2010  Base Case 2004 Page 674 2010  Base Case 2004 Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology with OFA ( Dry Bottom boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only)

Dry Low NOx Burners ( Turbines only)

Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Ammonia Injection, Steam Injection Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only)

Page 675 2010  Base Case 2004 Fluidized Bed Combustor Overfire Air Overfire Air Page 676 2010  Base Case 2004 Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only)

Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Fluidized Bed Combustor Page 677 2010  Base Case 2004 Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only)

Steam Injection Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Steam Injection Other Other Other Other Fluidized Bed Combustor Steam Injection Page 678 2010  Base Case 2004 Steam Injection Fluidized Bed Combustor Other Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Steam Injection Steam Injection Steam Injection Steam Injection Steam Injection Page 679 2010  Base Case 2004 Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only)

Steam Injection Overfire Air Overfire Air Overfire Air Page 680 2010  Base Case 2004 Low NOx Burner Technology ( Dry Bottom boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Low NOx Burner Technology with Separated OFA ( Tangentially fired units only)

Low NOx Burner Technology ( Dry Bottom boilers only)

Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only)

Page 681 2010  Base Case 2004 Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only), Overfire Air Low Excess Air Overfire Air Page 682 2010  Base Case 2004 Overfire Air Overfire Air Overfire Air Page 683 2010  Base Case 2004 Page 684 2010  Base Case 2004 Overfire Air Overfire Air Overfire Air Overfire Air Page 685 2010  Base Case 2004 Page 686 2010  Base Case 2004 Low NOx Burner Technology ( Dry Bottom boilers only)

Low NOx Burner Technology ( Dry Bottom boilers only)

Low Excess Air Low Excess Air Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Page 687 2010  Base Case 2004 Overfire Air Low NOx Burner Technology ( Dry Bottom boilers only)

Low NOx Burner Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only)

Page 688 2010  Base Case 2004 Low NOx Burner Technology ( Dry Bottom boilers only)

Low NOx Burner Page 689 2010  Base Case 2004 Page 690 2010  Base Case 2004 Low NOx Burner Technology ( Dry Bottom boilers only)

Page 691 2010  Base Case 2004 Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only)

Page 692 2010  Base Case 2004 Page 693 2010  Base Case 2004 Page 694 2010  Base Case 2004 Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only) + Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only) + Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only)

Low NOx Burner Technology ( Dry Bottom boilers only)

Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only)

Low NOx Burner Low NOx Burner Low NOx Burner Overfire Air & Low NOx Burner Low NOx Burner Low NOx Burner Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Dry Low NOx Burners ( Turbines only)

Page 695 2010  Base Case 2004 Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only)

Overfire Air Overfire Air Overfire Air Low NOx Burner Technology ( Dry Bottom boilers only) Other Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Other Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Low NOx Burner Low NOx Burner Low NOx Burner Flue Gas Recirculation Flue Gas Recirculation Page 696 2010  Base Case 2004 Flue Gas Recirculation & Low NOx Burner Low Excess Air Low NOx Burner Low Excess Air Overfire Air Page 697 2010  Base Case 2004 Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Page 698 2010  Base Case 2004 Other Combustion Modification Overfire Air + Combustion Modification Overfire Air + Combustion Modification Low NOx Burner Low NOx Burner Low NOx Burner Page 699 2010  Base Case 2004 Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only)

Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Overfire Air Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only)

Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only)

Low NOx Burner Low NOx Burner Low NOx Burner Low NOx Burner Other Other Page 700 2010  Base Case 2004 Combustion Modification Combustion Modification Other Other Low NOx Burner Technology ( Dry Bottom boilers only)

Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only), Other Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only), Overfire Air Overfire Air Overfire Air Low NOx Burner Technology ( Dry Bottom boilers only), Overfire Air Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Low NOx Burner Technology ( Dry Bottom boilers only)

Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Low Excess Air & Overfire Air Overfire Air Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Steam Injection Page 701 2010  Base Case 2004 Water Injection ( Turbines & Cyclone boilers only)

Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) + Water Injection ( Turbines & Cyclone bo Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only)

Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only)

Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Low NOx Burner Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology for Cell Burners Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only)

Page 702 2010  Base Case 2004 Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Page 703 2010  Base Case 2004 Low NOx Burner Technology for Cell Burners Low NOx Burner Technology for Cell Burners Low NOx Burner Technology for Cell Burners Low NOx Burner Technology for Cell Burners Overfire Air & Low NOx Burner Low NOx Burner Technology ( Dry Bottom boilers only)

Page 704 2010  Base Case 2004 Low NOx Burner Technology for Cell Burners Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only)

Low NOx Burner Technology with Separated OFA ( Tangentially fired units only)

Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Low NOx Burner Low NOx Burner Low Excess Air Combustion Modification Overfire Air Page 705 2010  Base Case 2004 Low NOx Burner Technology ( Dry Bottom boilers only)

Low NOx Burner Technology ( Dry Bottom boilers only)

Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Overfire Air Page 706 2010  Base Case 2004 Low NOx Burner Technology ( Dry Bottom boilers only) Combustion Modification Page 707 2010  Base Case 2004 Other Other Low NOx Burner Low NOx Burner Biased Firing ( alternate burners) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only)

Low NOx Burner Low NOx Burner Low NOx Burner Page 708 2010  Base Case 2004 Low NOx Burner Technology ( Dry Bottom boilers only)

Page 709 2010  Base Case 2004 Page 710 2010  Base Case 2004 Page 711 2010  Base Case 2004 Low NOx Burner Page 712 2010  Base Case 2004 Dry Low NOx Burners ( Turbines only)

Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Page 713 2010  Base Case 2004 Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Dry Low NOx Burners ( Turbines only)

Overfire Air SCR Other Other Other Other Other Other Overfire Air Overfire Air Overfire Air Overfire Air Page 714 2010  Base Case 2004 Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only)

Low NOx Burner Technology ( Dry Bottom boilers only)

Overfire Air Overfire Air Page 715 2010  Base Case 2004 Page 716 2010  Base Case 2004 Page 717 2010  Base Case 2004 Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only)

Water Injection ( Turbines & Cyclone boilers only)

Page 718 2010  Base Case 2004 Overfire Air Low NOx Burner Technology ( Dry Bottom boilers only)

Page 719 2010  Base Case 2004 Page 720 2010  Base Case 2004 Low NOx Burner Technology ( Dry Bottom boilers only)

Low NOx Burner Technology ( Dry Bottom boilers only) Overfire Air & Flue Gas Recirculation & Low Excess Air Page 721 2010  Base Case 2004 Low NOx Burner Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only)

Low NOx Burner Technology ( Dry Bottom boilers only)

Dry Low NOx Burners ( Turbines only) + Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Page 722 2010  Base Case 2004 Page 723 2010  Base Case 2004 Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only)

Low NOx Burner Low NOx Burner Low NOx Burner & Overfire Air Overfire Air Overfire Air Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only)

Water Injection ( Turbines & Cyclone boilers only)

Page 724 2010  Base Case 2004 Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

SCR SCR SCR Water Injection ( Turbines & Cyclone boilers only), Other Water Injection ( Turbines & Cyclone boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only)

Page 725 2010  Base Case 2004 Dry Low NOx Burners ( Turbines only) + Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only) + Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only) + Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only) + Water Injection ( Turbines & Cyclone boilers only) Other Other Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only)

Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only)

Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology for Cell Burners Low NOx Burner Technology for Cell Burners Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Overfire Air Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only)

Page 726 2010  Base Case 2004 Overfire Air Overfire Air Biased Firing ( alternate burners) Biased Firing ( alternate burners)

Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Biased Firing ( alternate burners) Biased Firing ( alternate burners)

Page 727 2010  Base Case 2004 Overfire Air Overfire Air Low NOx Burner & Biased Firing ( alternate burners)

Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Biased Firing ( alternate burners) Biased Firing ( alternate burners) Biased Firing ( alternate burners) Biased Firing ( alternate burners)

Page 728 2010  Base Case 2004 Combustion Modification Overfire Air Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Overfire Air Overfire Air Overfire Air Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Overfire Air Overfire Air Overfire Air Overfire Air Water Injection ( Turbines & Cyclone boilers only) Overfire Air Overfire Air Water Injection ( Turbines & Cyclone boilers only)

Water Injection ( Turbines & Cyclone boilers only)

Overfire Air Overfire Air Overfire Air Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only)

Page 729 2010  Base Case 2004 Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only)

Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only)

Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only)

Overfire Air & Low NOx Burner & Flue Gas Recirculation Overfire Air & Low NOx Burner & Flue Gas Recirculation Overfire Air Overfire Air Low NOx Burner Technology ( Dry Bottom boilers only), Overfire Air Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only)

Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Overfire Air Low NOx Burner Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only)

Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only)

Page 730 2010  Base Case 2004 Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Water Injection ( Turbines & Cyclone boilers only)

Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only), Overfire Air Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Other Other Other Combustion Modification Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Flue Gas Recirculation & Low Excess Air Flue Gas Recirculation & Low Excess Air Flue Gas Recirculation & Low Excess Air Low Excess Air Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Page 731 2010  Base Case 2004 Flue Gas Recirculation & Low Excess Air Low NOx Burner Technology ( Dry Bottom boilers only), Overfire Air Low NOx Burner Technology with Separated OFA ( Tangentially fired units only), Overfire Air Low NOx Burner Technology ( Dry Bottom boilers only), Overfire Air Low NOx Burner Technology ( Dry Bottom boilers only), Overfire Air Low NOx Burner Technology ( Dry Bottom boilers only), Overfire Air Low NOx Burner Technology ( Dry Bottom boilers only), Overfire Air Other Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner & Low Excess Air & Overfire Air Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Other Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low Excess Air Low Excess Air Low Excess Air Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only)

Combustion Modification Combustion Modification Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only)

Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only)

Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only)

Page 732 2010  Base Case 2004 Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only), Low NOx Burner Technology Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only)

Low NOx Burner Technology ( Dry Bottom boilers only)

Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Low NOx Burner Technology for Cell Burners Low NOx Burner Technology for Cell Burners Low NOx Burner Technology ( Dry Bottom boilers only)

Page 733 2010  Base Case 2004 Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only)

Low NOx Burner Technology for Cell Burners Low NOx Burner Technology ( Dry Bottom boilers only)

Low NOx Burner Technology with Separated OFA ( Tangentially fired units only)

Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only)

Low NOx Burner Technology ( Dry Bottom boilers only) Other Overfire Air Overfire Air Low NOx Burner Technology ( Dry Bottom boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only) + Water Injection ( Turbines & Cyclone boilers only)

Page 734 2010  Base Case 2004 Low NOx Burner Technology for Cell Burners Low NOx Burner Technology for Cell Burners Low NOx Burner Technology for Cell Burners Low NOx Burner Technology for Cell Burners Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only)

Other Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only)

Page 735 2010  Base Case 2004 Low NOx Burner Technology for Cell Burners Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Overfire Air Overfire Air Overfire Air Overfire Air Low NOx Burner Technology for Cell Burners Overfire Air Overfire Air Overfire Air Overfire Air Overfire Air Low NOx Burner & Overfire Air Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only)

Page 736 2010  Base Case 2004 Page 737 2010  Base Case 2004 Overfire Air Overfire Air Overfire Air Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only)

Page 738 2010  Base Case 2004 Overfire Air Overfire Air Low NOx Burner Low NOx Burner Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only)

Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Page 739 2010  Base Case 2004 Other Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only)

Water Injection ( Turbines & Cyclone boilers only) Combustion Modification Combustion Modification Combustion Modification Combustion Modification Overfire Air & Flue Gas Recirculation Overfire Air & Flue Gas Recirculation Low Excess Air & Overfire Air Overfire Air & Low Excess Air Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only)

Page 740 2010  Base Case 2004 Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only)

Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only)

Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only)

Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only)

Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only)

Low NOx Burner & Overfire Air Low NOx Burner & Overfire Air Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only)

Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only)

Page 741 2010  Base Case 2004 Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only)

Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Overfire Air & Flue Gas Recirculation Overfire Air & Flue Gas Recirculation Flue Gas Recirculation Flue Gas Recirculation Low NOx Burner & Flue Gas Recirculation Low NOx Burner & Flue Gas Recirculation Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only)

Low NOx Burner & Overfire Air Overfire Air Page 742 2010  Base Case 2004 Low Excess Air & Low NOx Burner Low Excess Air & Low NOx Burner Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Other Other Low Excess Air & Low NOx Burner Low Excess Air Water Injection ( Turbines & Cyclone boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology for Cell Burners Low NOx Burner Technology for Cell Burners Low NOx Burner Technology for Cell Burners Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Dry Low NOx Burners ( Turbines only) + Steam Injection Dry Low NOx Burners ( Turbines only) + Steam Injection Dry Low NOx Burners ( Turbines only) + Steam Injection Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Page 743 2010  Base Case 2004 Combustion Modification Combustion Modification Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only)

Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only)

Water Injection ( Turbines & Cyclone boilers only)

Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Overfire Air Overfire Air Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Page 744 2010  Base Case 2004 Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only)

Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only)

Flue Gas Recirculation Flue Gas Recirculation & Biased Firing ( alternate burners)

Overfire Air Overfire Air Low Excess Air & Flue Gas Recirculation Low Excess Air & Flue Gas Recirculation Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Page 745 2010  Base Case 2004 Water Injection ( Turbines & Cyclone boilers only)

Overfire Air Overfire Air Overfire Air Other Low NOx Burner Technology for Cell Burners Low NOx Burner Technology for Cell Burners Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only)

Low NOx Burner Technology with Separated OFA ( Tangentially fired units only)

Page 746 2010  Base Case 2004 Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Other Low NOx Burner Technology ( Dry Bottom boilers only) Other Other Other Other Other Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Other Other Other Other Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Other Page 747 2010  Base Case 2004 Flue Gas Recirculation Flue Gas Recirculation & Low NOx Burner Biased Firing ( alternate burners)

Combustion Modification Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only)

Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Combustion Modification Combustion Modification Combustion Modification, Overfire Air Combustion Modification Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Low Excess Air Low Excess Air Low Excess Air & Biased Firing ( alternate burners) Low Excess Air & Biased Firing ( alternate burners) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Combustion Modification Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Other Page 748 2010  Base Case 2004 Overfire Air & Flue Gas Recirculation Other Other Other Other Other Overfire Air Flue Gas Recirculation & Overfire Air Overfire Air Overfire Air Overfire Air Overfire Air Overfire Air Overfire Air Overfire Air Overfire Air Overfire Air Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only)

Page 749 2010  Base Case 2004 Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only)

Overfire Air Other Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Combustion Modification Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Combustion Modification Combustion Modification Overfire Air Overfire Air Combustion Modification Flue Gas Recirculation Page 750 2010  Base Case 2004 Low NOx Burner & Overfire Air Low NOx Burner & Overfire Air Low NOx Burner & Flue Gas Recirculation Low NOx Burner & Flue Gas Recirculation Combustion Modification Low NOx Burner Low NOx Burner & Flue Gas Recirculation & Overfire Air Low NOx Burner & Overfire Air Low NOx Burner Technology ( Dry Bottom boilers only)

Low Excess Air Page 751 2010  Base Case 2004 Flue Gas Recirculation & Low Excess Air Combustion Modification Combustion Modification Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only)

Dry Low NOx Burners ( Turbines only) Biased Firing ( alternate burners) & Flue Gas Recirculation Biased Firing ( alternate burners) & Flue Gas Recirculation Flue Gas Recirculation Flue Gas Recirculation Overfire Air Overfire Air Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Dry Low NOx Burners ( Turbines only)

Page 752 2010  Base Case 2004 Overfire Air Overfire Air Combustion Modification, Overfire Air Overfire Air Overfire Air Overfire Air Page 753 2010  Base Case 2004 Flue Gas Recirculation Combustion Modification Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Page 754 2010  Base Case 2004 Low NOx Burner Technology ( Dry Bottom boilers only) Other Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Other Other Low NOx Burner Technology ( Dry Bottom boilers only)

Combustion Modification Combustion Modification Combustion Modification Combustion Modification Combustion Modification Low NOx Burner Technology ( Dry Bottom boilers only)

Other Page 755 2010  Base Case 2004 Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only)

Steam Injection Other Other Low NOx Burner Technology ( Dry Bottom boilers only)

Other Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Other Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only)

Page 756 2010  Base Case 2004 Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology for Cell Burners Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner & Overfire Air Low NOx Burner & Overfire Air Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Overfire Air Overfire Air Overfire Air Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only)

SCR Page 757 2010  Base Case 2004 Low NOx Burner Low NOx Burner Flue Gas Recirculation Flue Gas Recirculation Overfire Air Flue Gas Recirculation Flue Gas Recirculation Flue Gas Recirculation Overfire Air Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only), Low NOx Burner Technology Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only)

Page 758 2010  Base Case 2004 Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Overfire Air Overfire Air Low NOx Burner Technology ( Dry Bottom boilers only)

Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Water Injection ( Turbines & Cyclone boilers only)

Combustion Modification Overfire Air Biased Firing ( alternate burners) & Low Excess Air Biased Firing ( alternate burners) & Low Excess Air Page 759 2010  Base Case 2004 Fluidized Bed Combustor Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only)

Page 760 2010  Base Case 2004 Low Excess Air Low NOx Burner Technology with Separated OFA ( Tangentially fired units only)

Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only)

Other Page 761 2010  Base Case 2004 Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only)

Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Overfire Air Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only)

Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Overfire Air Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only)

Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Flue Gas Recirculation Flue Gas Recirculation Overfire Air Overfire Air & Low NOx Burner Page 762 2010  Base Case 2004 Overfire Air & Low NOx Burner Other Other Other Other Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Other Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Steam Injection Steam Injection Steam Injection Steam Injection Steam Injection Steam Injection Steam Injection Steam Injection Fluidized Bed Combustor Page 763 2010  Base Case 2004 Combustion Modification Combustion Modification Fluidized Bed Combustor Page 764 2010  Base Case 2004 Water Injection ( Turbines & Cyclone boilers only) Steam Injection Steam Injection Steam Injection Steam Injection Low NOx Burner Technology ( Dry Bottom boilers only) + Other Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Fluidized Bed Combustor Page 765 2010  Base Case 2004 Fluidized Bed Combustor Steam Injection Steam Injection Steam Injection Dry Low NOx Burners ( Turbines only)

Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Page 766 2010  Base Case 2004 Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only), Steam Injection Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only), Steam Injection Page 767 2010  Base Case 2004 Steam Injection Steam Injection Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only)

Steam Injection Page 768 2010  Base Case 2004 Ammonia Injection Ammonia Injection, Steam Injection Steam Injection Steam Injection Steam Injection Steam Injection Steam Injection Steam Injection Steam Injection Dry Low NOx Burners ( Turbines only)

Page 769 2010  Base Case 2004 Water Injection ( Turbines & Cyclone boilers only)

Water Injection ( Turbines & Cyclone boilers only) + Ammonia Injection Water Injection ( Turbines & Cyclone boilers only) + Ammonia Injection Other Ammonia Injection Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only)

Fluidized Bed Combustor Water Injection ( Turbines & Cyclone boilers only), Ammonia Injection Water Injection ( Turbines & Cyclone boilers only), Ammonia Injection Low NOx Burner Technology ( Dry Bottom boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Page 770 2010  Base Case 2004 Dry Low NOx Burners ( Turbines only) + Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Steam Injection Page 771 2010  Base Case 2004 Page 772 2010  Base Case 2004 Page 773 2010  Base Case 2004 Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Other Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Combustion Modification + Water Injection ( Turbines & Cyclone boilers only) Combustion Modification + Water Injection ( Turbines & Cyclone boilers only)

Ammonia Injection Ammonia Injection Ammonia Injection Steam Injection Steam Injection Steam Injection Steam Injection Water Injection ( Turbines & Cyclone boilers only)

Steam Injection Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Steam Injection Page 774 2010  Base Case 2004 Water Injection ( Turbines & Cyclone boilers only) Overfire Air Water Injection ( Turbines & Cyclone boilers only)

Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) SCR Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Page 775 2010  Base Case 2004 Low Excess Air & Overfire Air Low Excess Air & Overfire Air Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Dry Low NOx Burners ( Turbines only)

Steam Injection Steam Injection Dry Low NOx Burners ( Turbines only)

Page 776 2010  Base Case 2004 Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Steam Injection Steam Injection Page 777 2010  Base Case 2004 Steam Injection Steam Injection Low Excess Air Low Excess Air & Biased Firing ( alternate burners)

Fluidized Bed Combustor Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Water Injection ( Turbines & Cyclone boilers only)

Page 778 2010  Base Case 2004 Page 779 2010  Base Case 2004 Low Excess Air Low Excess Air & Low NOx Burner Steam Injection Water Injection ( Turbines & Cyclone boilers only)

Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Page 780 2010  Base Case 2004 Water Injection ( Turbines & Cyclone boilers only), Other Water Injection ( Turbines & Cyclone boilers only), Other Dry Low NOx Burners ( Turbines only)

Page 781 2010  Base Case 2004 Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Water Injection ( Turbines & Cyclone boilers only)

Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only) + Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only) + Water Injection ( Turbines & Cyclone boilers only)

Page 782 2010  Base Case 2004 Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Dry Low NOx Burners ( Turbines only) + Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only) + Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only) + Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Page 783 2010  Base Case 2004 Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only)

Water Injection ( Turbines & Cyclone boilers only)

Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Combustion Modification Combustion Modification Combustion Modification Combustion Modification Page 784 2010  Base Case 2004 Other Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only)

Page 785 2010  Base Case 2004 Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only)

Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only)

Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Dry Low NOx Burners ( Turbines only) + Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only) + Water Injection ( Turbines & Cyclone boilers only)

Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only) + Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only) + Water Injection ( Turbines & Cyclone boilers only)

Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Page 786 2010  Base Case 2004 Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Dry Low NOx Burners ( Turbines only)

Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Dry Low NOx Burners ( Turbines only)

Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Page 787 2010  Base Case 2004 Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Other Other Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Page 788 2010  Base Case 2004 Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) + Water Injection ( Turbines & Cyclone boilers only)

Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Page 789 2010  Base Case 2004 Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Combustion Modification Combustion Modification Combustion Modification Combustion Modification Combustion Modification Combustion Modification Combustion Modification Combustion Modification Combustion Modification Combustion Modification Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Page 790 2010  Base Case 2004 Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Dry Low NOx Burners ( Turbines only), Ammonia Injection + Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Ammonia Injection + Water Injection ( Turbines & Cyclone boilers only)

Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Dry Low NOx Burners ( Turbines only)

Page 791 2010  Base Case 2004 Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Steam Injection Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Water Injection ( Turbines & Cyclone boilers only)

Page 792 2010  Base Case 2004 Water Injection ( Turbines & Cyclone boilers only)

Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Water Injection ( Turbines & Cyclone boilers only)

Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Low NOx Burner Overfire Air Overfire Air Overfire Air Water Injection ( Turbines & Cyclone boilers only) Low Excess Air Page 793 2010  Base Case 2004 Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Low Excess Air Low NOx Burner Technology with Separated OFA ( Tangentially fired units only)

Other Low NOx Burner Technology ( Dry Bottom boilers only), Low NOx Burner Technology with Close coupled OFA ( Ta Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only)

Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only)

Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Overfire Air Low NOx Burner Low NOx Burner Low NOx Burner Low NOx Burner Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Overfire Air Overfire Air Low NOx Burner Technology ( Dry Bottom boilers only) Combustion Modification Page 794 2010  Base Case 2004 Low NOx Burner Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Overfire Air Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only)

Low NOx Burner Technology ( Dry Bottom boilers only)

Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Other Other Other Low NOx Burner & Overfire Air & Flue Gas Recirculation Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Page 795 2010  Base Case 2004 Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only)

Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only), Low NOx Burner Technology with Overfire Air ( Dry Bottom Overfire Air Overfire Air Low NOx Burner Low NOx Burner Technology ( Dry Bottom boilers only)

Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only)

Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Dry Low NOx Burners ( Turbines only)

Overfire Air Overfire Air Page 796 2010  Base Case 2004 Overfire Air Overfire Air Overfire Air Other Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Steam Injection Steam Injection + Dry Low NOx Burners ( Turbines only) Steam Injection Low NOx Burner Technology ( Dry Bottom boilers only) Overfire Air Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology ( Dry Bottom boilers only), with Close coupled and Separated OFA ( Tangentially fired Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only)

Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology ( Dry Bottom boilers only)

Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Overfire Air Overfire Air Other Overfire Air Low NOx Burner Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only)

Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only)

Page 797 2010  Base Case 2004 Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only)

Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Steam Injection Steam Injection Page 798 2010  Base Case 2004 Steam Injection Steam Injection Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Water Injection ( Turbines & Cyclone boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only), Low NOx Burner Technology with Overfire Air ( Dry Bottom Low NOx Burner Technology ( Dry Bottom boilers only), Low NOx Burner Technology with Overfire Air ( Dry Bottom Low NOx Burner Technology ( Dry Bottom boilers only), Low NOx Burner Technology with Overfire Air ( Dry Bottom Low NOx Burner & Overfire Air Low NOx Burner & Overfire Air Low NOx Burner & Overfire Air Low NOx Burner & Overfire Air Low NOx Burner & Overfire Air Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low Excess Air & Flue Gas Recirculation & Overfire Air Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Low NOx Burner Page 799 2010  Base Case 2004 Low NOx Burner Overfire Air Overfire Air Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only), Low NOx Burner Technology Overfire Air Overfire Air Overfire Air Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Overfire Air & Flue Gas Recirculation & Low NOx Burner Overfire Air Overfire Air Overfire Air Overfire Air Overfire Air Overfire Air Other Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only)

Page 800 2010  Base Case 2004 Overfire Air Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Water Injection ( Turbines & Cyclone boilers only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) OFA OFA OFA OFA Low NOx Burner Technology ( Dry Bottom boilers only)

Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only)

Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Page 801 2010  Base Case 2004 Water Injection ( Turbines & Cyclone boilers only)

Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only)

Low NOx Burner Low NOx Burner Low NOx Burner Technology ( Dry Bottom boilers only), with OFA Low NOx Burner Technology ( Dry Bottom boilers only)

Low NOx Burner Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only)

Page 802 2010  Base Case 2004 Other Other Other Other Overfire Air Overfire Air Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Page 803 2010  Base Case 2004 Overfire Air Dry Low NOx Burners ( Turbines only) + Water Injection ( Turbines & Cyclone boilers only)

Page 804 2010  Base Case 2004 Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only)

Overfire Air Overfire Air Low NOx Burner & Overfire Air Dry Low NOx Burners ( Turbines only) + Water Injection ( Turbines & Cyclone boilers only)

Low NOx Burner Flue Gas Recirculation & Overfire Air Low NOx Burner Technology for Cell Burners Page 805 2010  Base Case 2004 Water Injection ( Turbines & Cyclone boilers only)

Combustion Modification Low NOx Burner Technology ( Dry Bottom boilers only)

Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Low NOx Burner Water Injection ( Turbines & Cyclone boilers only)

Low NOx Burner Technology ( Dry Bottom boilers only)

Page 806 2010  Base Case 2004 Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Overfire Air Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only)

Biased Firing ( alternate burners)

Low Excess Air Low Excess Air Page 807 2010  Base Case 2004 Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only)

Low NOx Burners Low NOx Burners Low NOx Burners Low NOx Burner Technology ( Dry Bottom boilers only)

Dry Low NOx Burners ( Turbines only) + Water Injection ( Turbines & Cyclone boilers only) Low NOx Burners Low NOx Burners Low NOx Burners Low NOx Burners Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) + Other Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) + Other Page 808 2010  Base Case 2004 Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only)

Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) + Other Water Injection ( Turbines & Cyclone boilers only) + Other Water Injection ( Turbines & Cyclone boilers only) + Other Water Injection ( Turbines & Cyclone boilers only), Overfire Air Water Injection ( Turbines & Cyclone boilers only), Overfire Air Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Page 809 2010  Base Case 2004 Water Injection ( Turbines & Cyclone boilers only)

Steam Injection Steam Injection Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only)

Other Other Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Other Dry Low NOx Burners ( Turbines only)

Steam Injection + Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only)

Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Page 810 2010  Base Case 2004 Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Other Low NOx Burner Other Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) + Other Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) + Other Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) + Other Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) + Other Water Injection ( Turbines & Cyclone boilers only)

Water Injection ( Turbines & Cyclone boilers only)

Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only)

Steam Injection Water Injection ( Turbines & Cyclone boilers only)

Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Page 811 2010  Base Case 2004 Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Overfire Air Steam Injection Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only) + Water Injection ( Turbines & Cyclone boilers only)

LNC1 Dry Low NOx Burners ( Turbines only) + Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only) + Water Injection ( Turbines & Cyclone boilers only)

Page 812 2010  Base Case 2004 Other Other Page 813 2010  Base Case 2004 Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Dry Low NOx Burners ( Turbines only)

Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Other Other Page 814 2010  Base Case 2004 Water Injection ( Turbines & Cyclone boilers only)

Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Dry Low NOx Burners ( Turbines only)

Dry Low NOx Burners ( Turbines only)

Page 815 2010  Base Case 2004 Dry Low NOx Burners ( Turbines only)

Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only)

Dry Low NOx Burners ( Turbines only)

Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Page 816 2010  Base Case 2004 Water Injection ( Turbines & Cyclone boilers only)

Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) H2O Page 817 2010  Base Case 2004 Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only)

Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only)

Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only)

Page 818 2010  Base Case 2004 Dry Low NOx Burners ( Turbines only) + Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only) + Water Injection ( Turbines & Cyclone boilers only)

Dry Low NOx Burners ( Turbines only) + Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only) + Water Injection ( Turbines & Cyclone boilers only)

Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only)

Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Page 819 2010  Base Case 2004 Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only)

Low NOx Burner Technology ( Dry Bottom boilers only), Low NOx Burner Technology with Overfire Air ( Dry Bottom Page 820 2010  Base Case 2004 Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only)

Water Injection ( Turbines & Cyclone boilers only) + Ammonia Injection Dry Low NOx Burners ( Turbines only) Dry Low NOx Burners ( Turbines only)

Page 821 2010  Base Case 2004 Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Low NOx Burners Low NOx Burners Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Water Injection ( Turbines & Cyclone boilers only) Other Other Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Overfire Air Overfire Air Page 822 2010  Base Case 2004 Low NOx Burner Technology for Cell Burners Low NOx Burner Technology for Cell Burners Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only) Dry Low NOx Burners ( Turbines only), Water Injection ( Turbines & Cyclone boilers only)

Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only)

Page 823 2010  Base Case 2004 Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only)

Low NOx Burner Technology for Cell Burners Low NOx Burner Technology for Cell Burners Low NOx Burner Technology ( Dry Bottom boilers only) Other Other Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only)

Page 824 2010  Base Case 2004 Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only)

Overfire Air Overfire Air Dry Low NOx Burners ( Turbines only)

Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Other Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only)

Page 825 2010  Base Case 2004 Other Overfire Air + Combustion Modification Overfire Air Overfire Air Overfire Air Overfire Air Overfire Air Overfire Air Overfire Air Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only)

Page 826 2010  Base Case 2004 Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only), Low NOx Burner Technology Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Overfire Air Overfire Air Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Low NOx Burner & Biased Firing ( alternate burners) Biased Firing ( alternate burners) Biased Firing ( alternate burners)

Page 827 2010  Base Case 2004 Low NOx Burner & Overfire Air Low NOx Burner Technology with Separated OFA ( Tangentially fired units only)

Page 828 2010  Base Case 2004 Page 829 2010  Base Case 2004 Page 830 2010  Base Case 2004 Overfire Air Overfire Air Overfire Air Overfire Air Overfire Air Overfire Air Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Low NOx Burner Technology ( Dry Bottom boilers only) Water Injection ( Turbines & Cyclone boilers only), Overfire Air Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only)

Page 831 2010  Base Case 2004 Water Injection ( Turbines & Cyclone boilers only) Water Injection ( Turbines & Cyclone boilers only)

Low NOx Burner Technology with Separated OFA ( Tangentially fired units only)

Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled and Separated OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only) Low NOx Burner Technology with Close coupled OFA ( Tangentially fired units only)

Overfire Air Low NOx Burner Low NOx Burner Overfire Air Page 832 2010  Base Case 2004 Page 833 2010  Base Case 2004 Page 834 2010  Base Case 2004 Page 835 2010  Base Case 2004 Low NOx Burner Page 836 2010  Base Case 2004 Page 837 2010  Base Case 2004 Page 838 2010  Base Case 2004 Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only) Low NOx Burner Technology with Overfire Air ( Dry Bottom boilers only)

Page 839 2010  Base Case 2004 Page 840 2010  Base Case 2004 Retrofit Code 1 Retrofit Code 2 Retrofit Control 1 Retrofit Control 2 Page 841 2010  Base Case 2004 RET1 CT Early Retirements RET1 CT Early Retirements Page 842 2010  Base Case 2004 SCR1 SCR SCR1 SCR Page 843 2010  Base Case 2004 Page 844 2010  Base Case 2004 RET3 Oil/ Gas Early Retirements Page 845 2010  Base Case 2004 RET3 Oil/ Gas Early Retirements SNR1 SNCR Page 846 2010  Base Case 2004 HG04 Mercury Control RET2 CC Early retirements RET2 CC Early retirements RET2 CC Early retirements RET2 CC Early retirements RET2 CC Early retirements Page 847 2010  Base Case 2004 RET2 CC Early retirements RET2 CC Early retirements RET2 CC Early retirements RET2 CC Early retirements Page 848 2010  Base Case 2004 Page 849 2010  Base Case 2004 Page 850 2010  Base Case 2004 RET3 Oil/ Gas Early Retirements Page 851 2010  Base Case 2004 Page 852 2010  Base Case 2004 RET3 Oil/ Gas Early Retirements Page 853 2010  Base Case 2004 Page 854 2010  Base Case 2004 Page 855 2010  Base Case 2004 Page 856 2010  Base Case 2004 Page 857 2010  Base Case 2004 Page 858 2010  Base Case 2004 Page 859 2010  Base Case 2004 Page 860 2010  Base Case 2004 Page 861 2010  Base Case 2004 Page 862 2010  Base Case 2004 SNR1 SNCR SNR1 SNCR SNR1 SNCR Page 863 2010  Base Case 2004 RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements Page 864 2010  Base Case 2004 RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements Page 865 2010  Base Case 2004 RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements Page 866 2010  Base Case 2004 RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements SCR2 SCR SCR2 SCR SNR1 SNCR Page 867 2010  Base Case 2004 SCR1 SCR SCR1 SCR SCR1 SCR SNR1 SNCR SCR1 SCR SCR1 SCR SCR1 SCR RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements Page 868 2010  Base Case 2004 RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements OC03 O/ G To CC RET3 Oil/ Gas Early Retirements ML01 Scrubber ML01 Scrubber ML02 SCR1 Scrubber SCR ML02 SCR1 Scrubber SCR ML02 SCR1 Scrubber SCR ML01 Scrubber OC03 O/ G To CC RET3 Oil/ Gas Early Retirements Page 869 2010  Base Case 2004 RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements RET3 Oil/ Gas Early Retirements boilers only)