Solana Generating Station
Solar power plant · Maricopa County, Arizona
Nameplate capacity
280 MW
Rank in Arizona
#43
of 200 plants
In service since
2013
October 2013
Details
- Primary fuel
- Solar
- Technology
- Solar Thermal with Energy Storage
- Operator
- Arizona Solar One LLC
- County
- Maricopa County
- Generating units
- 2
- Share of state capacity
- 0.66%
- Rank among solar plants in Arizona
- #9 of 105
- EIA plant code
- 56812
Generating units
| Unit | Technology | Nameplate | Summer | Online | Status |
|---|---|---|---|---|---|
| GEN 1 | Solar Thermal with Energy Storage | 140 MW | 148 MW | 2013 | Operating |
| GEN2 | Solar Thermal with Energy Storage | 140 MW | 148 MW | 2013 | 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
| McFarland A Solar and Storage | Solar | 300 MW |
| Papago Energy Storage | Battery storage | 300 MW |
| Davis Dam | Hydro | 255 MW |
| Beehive Energy Storage | Battery storage | 250 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 280 MW solar plant and a 280 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