PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/66334
EIA plant 66334
Tolleson · Maricopa · AZ
Sierra Estrella Energy Storage
Operated by Sierra Estrella Energy Storage, LLC
Published location
Where is Sierra Estrella Energy Storage?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
33.410802, -112.313800
Open the interactive map ↗Map data © OpenStreetMap contributors
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 | 0 MWh |
| 2 | 0 MWh |
| 3 | 0 MWh |
| 4 | 0 MWh |
| 5 | -212 MWh |
| 6 | -3,863 MWh |
| 7 | -4,067 MWh |
| 8 | -3,886 MWh |
| 9 | -3,850 MWh |
| 10 | -3,716 MWh |
| 11 | -3,330 MWh |
| 12 | -3,325 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| BESS3 | Batteries | MWH | 250 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
66334
Sector
IPP Non-CHP
Water source
Unavailable
Data edition
2024-final