Coolidge Generating Station

Operator: SRP

Description: SRP utilizes the energy output from Coolidge to balance electrical load during peak power usage.

Location: Coolidge, Ariz.

Capacity: 575 megawatts from 12 single-cycle turbine units.

Fuel source: Natural gas

Plant construction: Construction began in August 2009 and was completed in May 2011.

Construction costs: $500 million


  • Coolidge is designed to respond in 10 minutes with enough electricity to meet peak power demands.
  • The station can provide enough electricity to power approximately 575,000 homes in the Valley.

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