Sonoran Solar Energy
Solar power plant · Maricopa County, Arizona
Nameplate capacity
750 MW
Rank in Arizona
#12
of 200 plants
In service since
2023
July 2023
Details
- Primary fuel
- Solar
- Technology
- Solar Photovoltaic
- Operator
- Sonoran Solar Energy, LLC
- County
- Maricopa County
- Generating units
- 2
- Share of state capacity
- 1.75%
- Rank among solar plants in Arizona
- #1 of 105
- EIA plant code
- 66627
Generating units
| Unit | Technology | Nameplate | Summer | Online | Status |
|---|---|---|---|---|---|
| SON12 | Solar Photovoltaic | 490 MW | 260 MW | 2023 | Operating |
| SON13 | Batteries | 260 MW | 260 MW | 2023 | Operating |
Nameplate is the maximum rated output; summer capacity is what the unit can reliably deliver on a hot day, which is typically lower.
Similarly sized plants in Arizona
| Ocotillo | Natural gas | 806 MW |
| Apache Station | Natural gas | 782 MW |
| Desert Basin | Natural gas | 745 MW |
| Agua Fria | Natural gas | 738 MW |
About this data
From EIA’s inventory of operable generators, May 2026 release. Capacity is nameplate — the maximum rated output of the equipment, not what the plant actually generates over a year, which depends on how often it runs. A 750 MW solar plant and a 750 MW nuclear plant have the same entry here and produce very different amounts of electricity.
“In service since” is the earliest in-service date among the units still listed, so a site rebuilt around newer equipment can read as younger than the site itself. All Arizona power plants · What Arizona actually generates