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GAS POWER PLANTSHarquahala Generating Project
Harquahala Generating Project is a 1,277 MW operating gas power plant in Maricopa County, Arizona, operated by New Harquahala Generating Co, LLC.
Generators
Each generating unit EIA lists at this plant.
| Unit | Technology | Capacity | Status |
|---|---|---|---|
| CTG1 | Natural Gas Fired Combined Cycle | 282 MW | |
| CTG2 | Natural Gas Fired Combined Cycle | 282 MW | |
| CTG3 | Natural Gas Fired Combined Cycle | 282 MW | |
| STG1 | Natural Gas Fired Combined Cycle | 144 MW | |
| STG2 | Natural Gas Fired Combined Cycle | 144 MW | |
| STG3 | Natural Gas Fired Combined Cycle | 144 MW |
Plant details
- Operator
- New Harquahala Generating Co, LLC
- Location
- Maricopa County, Arizona
- Balancing authority
- SRP
- Sector
- IPP Non-CHP
- Capacity
- Operating: 1,277 MW
- First unit online
- Jun 2004
- EIA plant ID
- 55372
Location
33.4760, -113.1134
Nearby power plants
- Maricopa SolarSolar farms, Battery storage · 1,100 MW · 0.9 mi
- Harquahala 2Solar farms, Battery storage · 600 MW · 1.1 mi
- Harquahala Sun Solar ProjectSolar farms · 150 MW · 2.7 mi
- Desert Sand BESSSolar farms, Battery storage · 600 MW · 3.9 mi
- Papago PVSolar farms · 150 MW · 4.2 mi
- Papago Energy StorageBattery storage · 300 MW · 4.4 mi
- Saddleback Generation StationGas power plants · 1,250 MW · 5.6 mi
- Romero Energy CenterBattery storage · 225 MW · 6.5 mi
- Romero Energy Center II, LLCBattery storage · 225 MW · 6.5 mi
- Saddle Mountain Solar ISolar farms · 15.0 MW · 7.8 mi
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