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District Cooling

District Cooling St. Paul currently provides air-conditioning service to more than 95 downtown St. Paul buildings.



Customer Data

Signed downtown customers:

98

FY 2009 Energy Sales:

34,605,266 ton-hours

Building Area Served:

19.3 million sq. ft.

Chilled Water Sources

Main plant, 76 West Kellogg Boulevard

Six electric chillers:

12,737 tons

Two absorption chillers:

1,000 tons

New Plant, 10th and Sibley

Two electric chillers:

4,500 tons

Chilled water storage systems:

10,800 tons

Satellite chillers:

3,900 tons

Total:

32,937 tons

Piping

Type:

steel pipe wrapped in protective coating with cathodic protection

Diameter:

3-inch to 30-inch

Length:

35,600 feet each, supply and return

Volume of distribution system:

980,000 gallons

Volume of storage system:

6,700,000 gallons

Operating Data

Supply Temperature:

42 degrees F

Return Temperature:

56 degrees F

Supply Pressure:

150 psi

Minimum pressure differential:

15 psi

Reliability rate:

99.997%

More Information

Year-round chilled water for air conditioning provided by District Cooling St. Paul Inc., an affiliate of District Energy St. Paul, Inc.

District Cooling Fact Sheet
Chilled Water System Fact Sheet