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United States › Power plants › Gas power plants › Arizona

GAS POWER PLANTS

Coolidge Generation Station

Coolidge Generation Station is a 1,320 MW operating gas power plant in Pinal County, Arizona, operated by Salt River Project.

Plant statusOperating
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (completed)
  4. OperatingMay 2011 (current stage)
  5. Closed (not yet reached)

This plant has generators at more than one stage; see the table below.

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Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
1Natural Gas Fired Combustion Turbine61 MW OperatingMay 2011
2Natural Gas Fired Combustion Turbine61 MW OperatingMay 2011
3Natural Gas Fired Combustion Turbine61 MW OperatingMay 2011
4Natural Gas Fired Combustion Turbine61 MW OperatingMay 2011
5Natural Gas Fired Combustion Turbine61 MW OperatingMay 2011
6Natural Gas Fired Combustion Turbine61 MW OperatingMay 2011
7Natural Gas Fired Combustion Turbine61 MW OperatingMay 2011
8Natural Gas Fired Combustion Turbine61 MW OperatingMay 2011
9Natural Gas Fired Combustion Turbine61 MW OperatingMay 2011
10Natural Gas Fired Combustion Turbine61 MW OperatingMay 2011
11Natural Gas Fired Combustion Turbine61 MW OperatingMay 2011
12Natural Gas Fired Combustion Turbine61 MW OperatingMay 2011
COE13Natural Gas Fired Combustion Turbine50 MW OperatingJun 2026
COE14Natural Gas Fired Combustion Turbine50 MW OperatingJun 2026
COE15Natural Gas Fired Combustion Turbine50 MW OperatingJun 2026
COE16Natural Gas Fired Combustion Turbine50 MW OperatingJun 2026
COE17Natural Gas Fired Combustion Turbine50 MW OperatingJun 2026
COE18Natural Gas Fired Combustion Turbine50 MW OperatingJun 2026
COE19Natural Gas Fired Combustion Turbine50 MW Under construction (up to 50%)Target Jul 2027
COE20Natural Gas Fired Combustion Turbine50 MW Under construction (up to 50%)Target Jul 2027
COE21Natural Gas Fired Combustion Turbine50 MW Under construction (up to 50%)Target Jul 2027
COE22Natural Gas Fired Combustion Turbine50 MW Under construction (up to 50%)Target Jul 2027
COE23Natural Gas Fired Combustion Turbine50 MW Under construction (up to 50%)Target Jul 2027
COE24Natural Gas Fired Combustion Turbine50 MW Under construction (up to 50%)Target Jul 2027

Plant details

Operator
Salt River Project
Location
Pinal County, Arizona
Balancing authority
SRP
Sector
Electric Utility
Capacity
Operating: 1,023 MW
Under construction: 297 MW
First unit online
May 2011
EIA plant ID
56948

Location

32.9174, -111.5033

Nearby power plants

Source: U.S. Energy Information Administration, Form EIA-860M, September 2026. Planned dates are targets reported by the developer and often change. Report a problem