PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/55129
EIA plant 55129
Casa Grande · Pinal · AZ
Desert Basin
Operated by Salt River Project
Published location
Where is Desert Basin?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
32.904200, -111.788900
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Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 324,002 MWh |
| 2 | 302,612 MWh |
| 3 | 105,565 MWh |
| 4 | 282,513 MWh |
| 5 | 200,857 MWh |
| 6 | 312,863 MWh |
| 7 | 367,171 MWh |
| 8 | 368,419 MWh |
| 9 | 254,419 MWh |
| 10 | 128,999 MWh |
| 11 | 69,607 MWh |
| 12 | 24,364 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| STG | Natural Gas Fired Combined Cycle | NG | 272.1 | OP |
| CTG1 | Natural Gas Fired Combined Cycle | NG | 187 | OP |
| CTG2 | Natural Gas Fired Combined Cycle | NG | 187 | OP |
| CTG4 | Natural Gas Fired Combustion Turbine | NG | 49.5 | OP |
| CTG5 | Natural Gas Fired Combustion Turbine | NG | 49.5 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
55129
Sector
Electric Utility
Water source
Central Arizona Project Canal
Data edition
2024-final