Power plant · EIA plant code 56948
Coolidge Generation Station
- Operator
- Salt River Project
- Location
- Pinal, AZ (county level only)
- Balancing authority
- Salt River Project (SRP)
- Nameplate capacity
- 726 MW
- Summer capacity
- 520.8 MW
Planned changes reported to EIA: 12 proposed generators.
U.S. Energy Information Administration · Annual Electric Generator Report (Form EIA-860) · data for 2025 · as of Sep 10, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date. The next release was due by Sep 10, 2027. Last checked for an update: Oct 31, 2026.
Generation in 2025
- Net generation
- 58,818 MWh
- Capacity factor
- 0.9%
Capacity factor is net generation divided by nameplate capacity times the hours each generator was in service that year, counted by month.
U.S. Energy Information Administration · Power Plant Operations Report (Form EIA-923) · data for 2025 · as of Sep 11, 2026 · retrieved Nov 1, 2026 · CC-BY-4.0 May be out of date. The next release was due by Sep 11, 2027. Last checked for an update: Nov 1, 2026.
Emissions
- Carbon dioxide in 2023
- 241,155 metric tons
- Carbon dioxide per MWh
- 1,260 lb/MWh
eGRID reports 265,828 short tons. One short ton is 0.90718474 metric tons.
Emissions are for 2023, the newest eGRID year. Generation is for 2025, the newest EIA-923 year.
U.S. Environmental Protection Agency · Emissions & Generation Resource Integrated Database (eGRID) · data for 2023 · as of Jun 16, 2025 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date. The next release was due by Jan 31, 2026. Last checked for an update: Oct 31, 2026.
Generators
| Generator | Technology | Energy source | Nameplate | Operating since | Status |
|---|---|---|---|---|---|
| 1 | Natural Gas Fired Combustion Turbine | NG | 60.5 MW | 2011 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| 10 | Natural Gas Fired Combustion Turbine | NG | 60.5 MW | 2011 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| 11 | Natural Gas Fired Combustion Turbine | NG | 60.5 MW | 2011 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| 12 | Natural Gas Fired Combustion Turbine | NG | 60.5 MW | 2011 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| 2 | Natural Gas Fired Combustion Turbine | NG | 60.5 MW | 2011 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| 3 | Natural Gas Fired Combustion Turbine | NG | 60.5 MW | 2011 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| 4 | Natural Gas Fired Combustion Turbine | NG | 60.5 MW | 2011 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| 5 | Natural Gas Fired Combustion Turbine | NG | 60.5 MW | 2011 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| 6 | Natural Gas Fired Combustion Turbine | NG | 60.5 MW | 2011 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| 7 | Natural Gas Fired Combustion Turbine | NG | 60.5 MW | 2011 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| 8 | Natural Gas Fired Combustion Turbine | NG | 60.5 MW | 2011 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| 9 | Natural Gas Fired Combustion Turbine | NG | 60.5 MW | 2011 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| COE13 | Natural Gas Fired Combustion Turbine | NG | 49.5 MW | Proposed, planned start 2026 · As of September 2026 (EIA-860M): (OP) Operating | |
| COE14 | Natural Gas Fired Combustion Turbine | NG | 49.5 MW | Proposed, planned start 2026 · As of September 2026 (EIA-860M): (OP) Operating | |
| COE15 | Natural Gas Fired Combustion Turbine | NG | 49.5 MW | Proposed, planned start 2026 · As of September 2026 (EIA-860M): (OP) Operating | |
| COE16 | Natural Gas Fired Combustion Turbine | NG | 49.5 MW | Proposed, planned start 2026 · As of September 2026 (EIA-860M): (OP) Operating | |
| COE17 | Natural Gas Fired Combustion Turbine | NG | 49.5 MW | Proposed, planned start 2026 · As of September 2026 (EIA-860M): (OP) Operating | |
| COE18 | Natural Gas Fired Combustion Turbine | NG | 49.5 MW | Proposed, planned start 2026 · As of September 2026 (EIA-860M): (OP) Operating | |
| COE19 | Natural Gas Fired Combustion Turbine | NG | 49.5 MW | Proposed, planned start 2027 · As of September 2026 (EIA-860M): (U) Under construction, less than or equal to 50 percent complete | |
| COE20 | Natural Gas Fired Combustion Turbine | NG | 49.5 MW | Proposed, planned start 2027 · As of September 2026 (EIA-860M): (U) Under construction, less than or equal to 50 percent complete | |
| COE21 | Natural Gas Fired Combustion Turbine | NG | 49.5 MW | Proposed, planned start 2027 · As of September 2026 (EIA-860M): (U) Under construction, less than or equal to 50 percent complete | |
| COE22 | Natural Gas Fired Combustion Turbine | NG | 49.5 MW | Proposed, planned start 2027 · As of September 2026 (EIA-860M): (U) Under construction, less than or equal to 50 percent complete | |
| COE23 | Natural Gas Fired Combustion Turbine | NG | 49.5 MW | Proposed, planned start 2027 · As of September 2026 (EIA-860M): (U) Under construction, less than or equal to 50 percent complete | |
| COE24 | Natural Gas Fired Combustion Turbine | NG | 49.5 MW | Proposed, planned start 2027 · As of September 2026 (EIA-860M): (U) Under construction, less than or equal to 50 percent complete |
U.S. Energy Information Administration · Monthly Update to the Annual Electric Generator Report (Form EIA-860M) · data for 2026-09 · as of Oct 23, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date. The next release was due by Nov 23, 2026. Last checked for an update: Oct 31, 2026.