Coolidge Generation Station
859 E. Randolph Rd., Coolidge, AZ 85228Plant Summary Information
Coolidge Generation Station is ranked #24 out of 35 natural gas power plants in Arizona in terms of total annual net electricity generation.
Coolidge Generation Station is comprised of 12 generators and generated 3.1 GWh during the 3-month period between November 2025 to February 2026.
| Plant Name | Coolidge Generation Station |
|---|---|
| Utility Name | Salt River Project |
| Location | Pinal County, AZ |
| Initial Operation Date | May 2011 |
| Last Update | Feb 2026 |
| Annual Generation | 55.8 GWh |
| Annual Consumption | 682.8 k MMBtu |
| Ranked #4,023 out of 12,637 Power Plants Nationwide | |
| Ranked #1,043 out of 2,243 Natural Gas Power Plants Nationwide | |
| Ranked #83 out of 170 Arizona Power Plants | |
| Ranked #24 out of 35 Arizona Natural Gas Power Plants | |
| Fuel Types | Natural Gas |
| Previous Operator |
Coolidge Power LLC (2013 to 2018) Salt River Project (2019 to 2024) |
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Monthly Net Generation for Coolidge Generation Station
Monthly Plant Fuel Consumption for Coolidge Generation Station
Coolidge Generation Station Details
| Summary Information | |
|---|---|
| Plant Name | Coolidge Generation Station (56948) |
| Plant Address | 859 E. Randolph Rd., Coolidge, AZ 85228 |
| Utility | Salt River Project (16572) |
| Latitude, Longitude | 32.9174, -111.50333 |
| Generation Dates on File | May 2011 to Feb 2026 |
| Initial Operation Date | May 2011 |
| Annual Generation | 55.8 GWh |
| Fuel Types | Natural Gas |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | No |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Regulated |
| NERC Region | WECC |
| Balancing Authority | Salt River Project (SRP) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | Wells |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Salt River Project (16572) AZ |
| Grid Voltage | 230.00 kV |
| Energy Storage | No |
| Natural Gas Information | |
| Pipeline Name |
TRANSWESTERN PIPELINE COMPANY EL PASO NATURAL GAS COMPANY LLC |
| Natural Gas Storage | No |
Generator 1 Details Operating May 2011
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 60.5 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 43.4 MW |
| Winter Capacity | 47.7 MW |
| Minimum Load | 22 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | May 2011 |
| Combined Heat & Power | No |
|---|---|
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Other Planned Modifications | No |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator 10 Details Operating May 2011
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 60.5 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 43.4 MW |
| Winter Capacity | 47.7 MW |
| Minimum Load | 22 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | May 2011 |
| Combined Heat & Power | No |
|---|---|
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Other Planned Modifications | No |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator 11 Details Operating May 2011
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 60.5 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 43.4 MW |
| Winter Capacity | 47.7 MW |
| Minimum Load | 22 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | May 2011 |
| Combined Heat & Power | No |
|---|---|
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Other Planned Modifications | No |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator 12 Details Operating May 2011
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 60.5 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 43.4 MW |
| Winter Capacity | 47.7 MW |
| Minimum Load | 22 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | May 2011 |
| Combined Heat & Power | No |
|---|---|
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Other Planned Modifications | No |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator 2 Details Operating May 2011
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 60.5 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 43.4 MW |
| Winter Capacity | 47.7 MW |
| Minimum Load | 22 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | May 2011 |
| Combined Heat & Power | No |
|---|---|
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Other Planned Modifications | No |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator 3 Details Operating May 2011
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 60.5 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 43.4 MW |
| Winter Capacity | 47.7 MW |
| Minimum Load | 22 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | May 2011 |
| Combined Heat & Power | No |
|---|---|
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Other Planned Modifications | No |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator 4 Details Operating May 2011
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 60.5 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 43.4 MW |
| Winter Capacity | 47.7 MW |
| Minimum Load | 22 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | May 2011 |
| Combined Heat & Power | No |
|---|---|
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Other Planned Modifications | No |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator 5 Details Operating May 2011
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 60.5 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 43.4 MW |
| Winter Capacity | 47.7 MW |
| Minimum Load | 22 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | May 2011 |
| Combined Heat & Power | No |
|---|---|
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Other Planned Modifications | No |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator 6 Details Operating May 2011
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 60.5 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 43.4 MW |
| Winter Capacity | 47.7 MW |
| Minimum Load | 22 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | May 2011 |
| Combined Heat & Power | No |
|---|---|
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Other Planned Modifications | No |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator 7 Details Operating May 2011
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 60.5 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 43.4 MW |
| Winter Capacity | 47.7 MW |
| Minimum Load | 22 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | May 2011 |
| Combined Heat & Power | No |
|---|---|
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Other Planned Modifications | No |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator 8 Details Operating May 2011
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 60.5 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 43.4 MW |
| Winter Capacity | 47.7 MW |
| Minimum Load | 22 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | May 2011 |
| Combined Heat & Power | No |
|---|---|
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Other Planned Modifications | No |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator 9 Details Operating May 2011
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 60.5 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 43.4 MW |
| Winter Capacity | 47.7 MW |
| Minimum Load | 22 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | May 2011 |
| Combined Heat & Power | No |
|---|---|
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Other Planned Modifications | No |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Coolidge Generation Station Plant Owners
| Owner Name | Address | Generator | Ownership | We couldn't locate any owners for this plant |
|---|
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Nearby Power Plants
Below are closest 20 power plants surrounding Coolidge Generation Station.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Banner Solar Ironwood | Queen Creek, AZ | 3.8 GWh | 20.8 mi |
| Bonnybrooke PV | Florence, AZ | 121.2 GWh | 13.3 mi |
| Box Canyon (AZ) | Florence, AZ | 609.7 GWh | 18.5 mi |
| Brittlebush Solar | Coolidge, AZ | 536.8 GWh | 0.9 mi |
| Central Line Solar, LLC | Coolidge, AZ | 267.2 GWh | 6.9 mi |
| Copper Crossing Energy and Research Cent | Florence, AZ | 5.1 GWh | 16.5 mi |
| Desert Basin | Casa Grande, AZ | 2.7 TWh | 16.6 mi |
| East Line Solar | Coolidge, AZ | 251.3 GWh | 6 mi |
| Eleven Mile Solar Center | Coolidge, AZ | 791.1 GWh | 6.5 mi |
| Pinal Central Energy Center Hybrid | Casa Grande, AZ | 55.8 GWh | 4 mi |
| Poseidon Solar, LLC | Globe, AZ | 50.2 GWh | 16.8 mi |
| Queen Creek Solar Farm | Queen Creek, AZ | 40.7 GWh | 25 mi |
| Saint Solar | Coolidge, AZ | 280.7 GWh | 3.5 mi |
| Sandstone Solar | Florence, AZ | 117.2 GWh | 9.2 mi |
| Storey Solar and Storage | Coolidge, AZ | 299.6 GWh | 2 mi |
| Sundance | Casa Grande, AZ | 274.2 GWh | 5.1 mi |
| Union HS at Casa Grande | Casa Grande, AZ | 2.9 GWh | 13.7 mi |
| Vista Grande HS at Casa Grande | Casa Grande, AZ | 2.8 GWh | 12.3 mi |
| Walmart Casa Grande | Casa Grande, AZ | 1.8 GWh | 16 mi |
| West Line Solar, LLC | City of Eloy, AZ | 256.0 GWh | 11.6 mi |