District Cooling  District Cooling St. Paul provides year-round
chilled water services to over 100 buildings in Saint Paul,
totaling over 19 million square feet. The chilled water service
replaces stand-alone chillers and cooling towers by providing
reliable cooling served at 42°F.  District cooling significantly
reduces the use of ozone-depleting refrigerants, lowers potable
water usage at the building, and uses energy more efficiently. 
District Cooling St. Paul utilizes electric centrifugal and low-
pressure steam absorption chillers. The district cooling service
has proven to be just as reliable as district heating service,
exceeding 99.99% since service began.  By replacing stand-alone
chillers and cooling towers and providing buildings, buildings
are connected to the underground system of pipes that provides
reliable chilled water between 38°F and 42°F (on average). The
piping system is connected to chiller plants and thermal storage
facilities. This allows one off-site chiller or production asset
to rep