PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/150
EIA plant 150
Phoenix · Maricopa · AZ
Stewart Mountain
Operated by Salt River Project
Published location
Where is Stewart Mountain?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
33.566100, -111.536000
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 | -15 MWh |
| 2 | -12 MWh |
| 3 | -15 MWh |
| 4 | 3,618 MWh |
| 5 | 6,334 MWh |
| 6 | 7,211 MWh |
| 7 | 7,676 MWh |
| 8 | 7,453 MWh |
| 9 | 6,753 MWh |
| 10 | 4,954 MWh |
| 11 | 1,766 MWh |
| 12 | -15 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| SM | Conventional Hydroelectric | WAT | 13 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
150
Sector
Electric Utility
Water source
Salt River
Data edition
2024-final