Horse Mesa
A 131.3 MW hydroelectric power plant in Maricopa, Arizona, owned by Salt River Project, commissioned in 1927.
Facility nameplate · EIA Plant ID 145Hydroelectric
Nameplate capacity
131.3 MW
Primary fuel
Hydroelectric
Commissioned
1927
Owner
Salt River Project
Location
Maricopa, Arizona
Coordinates
Generation (2024)
98.4 GWh
Status
Operating
Technology
Hydroelectric Pumped Storage
Units
4
Reported annual generation
| Year | GWh | |
|---|---|---|
| 2015 | 41.2 | |
| 2016 | 45.4 | |
| 2017 | 21.9 | |
| 2018 | 50.1 | |
| 2019 | 41.1 | |
| 2020 | 52 | |
| 2021 | 79.5 | |
| 2022 | 77.7 | |
| 2023 | 127.6 | |
| 2024 | 98.4 |
Nearby power plants
| Plant | Fuel | Capacity | Distance |
|---|---|---|---|
| Mormon Flat | Hydroelectric | 63.5 MW | ~10 km |
| Stewart Mountain | Hydroelectric | 13 MW | ~18 km |
| Roosevelt | Hydroelectric | 36 MW | ~19 km |
| Mesa Carport PV | Solar | 4.6 MW | ~36 km |
| South Consolidated | Hydroelectric | 1.4 MW | ~43 km |
| Queen Creek Solar Farm | Solar | 19 MW | ~44 km |
See all hydroelectric plants in Arizona or browse all plants in Arizona.