A satellite image shows the top of the building is three large cooling towers.
This business model was successful enough that they built their second plant the next year.
|Thermal Energy owned the business in 2012 when the District Energy article was written. Enwave now owns the plant.|
Note that the zoning laws here did not require retail outlets on the first floor.
Startup: May 1995
Current capacity: 20,000 tons, plus 66,000 ton-hr ice tank
Startup: July 1996
Current capacity: 23,000 tons, plus 125,000 ton-hr ice tank
Startup: May 1997
Current capacity: 23,000 tons, plus 100,000 ton-hr ice tank
Purchased: June 1997
Current capacity: 20,000 tons, plus 24,000 ton-hr ice tank
Startup: June 2002
Current capacity startup and expansion: 15,000 tons
Using ice water from the utility also frees up space on the roof for LEED points (Leadership in Engergy and Environmental Design [Springfield]) such as solar panels and/or a "green" roof.
When I tried to track down a reference I forgot to include, I also found the following: "Chicago’s [district] is the largest contiguous system in the nation, if not the world, with fourteen miles of pipe and an eight million gallon capacity." [SustainableChicago]