83rd largest plant in Arizona · 3890th nationally
Red Rock is a solar power plant in Arizona with a nameplate capacity of 40.0 MW. It generates roughly 26.0k MWh per year — enough to power about 2,474 average U.S. homes.
Its capacity factor of 7% reflects intermittent or peaking operation.
| Plant Name | Red Rock |
|---|---|
| Operator | Arizona Public Service Co |
| City | Red Rock |
| County | Maricopa County |
| State | Arizona |
| ZIP | 85145 |
| Coordinates | 32.55103, -111.28923 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| PV1 | Solar Photovoltaic | Solar | 43.9 MW | Operating | 2017 |
| RR40M | Batteries | Battery | 41.0 MW | Operating | 2023 |
| NERC Region | WECC |
|---|---|
| Balancing Authority | Arizona Public Service Company |
Utility-scale solar farms convert sunlight directly into electricity using photovoltaic panels. They produce zero direct emissions and have no fuel cost, but generation is variable — peaking at midday and falling to zero at night. Capacity factors typically run 18–28% in good locations.