Red Rock Hydro Plant
A 55.2 MW hydroelectric power plant in Marion, Iowa, owned by Western Minnesota Mun Pwr Agny, commissioned in 2021.
Facility nameplate · EIA Plant ID 58434Hydroelectric
Nameplate capacity
55.2 MW
Primary fuel
Hydroelectric
Commissioned
2021
Location
Marion, Iowa
Coordinates
Generation (2024)
136 GWh
Status
Operating
Technology
Conventional Hydroelectric
Units
2
Location
Marion, Iowa · 41.3697, -92.9808
Reported annual generation
| Year | GWh | |
|---|---|---|
| 2021 | 33.9 | |
| 2022 | 103.3 | |
| 2023 | 103.6 | |
| 2024 | 136 |
Nearby power plants
| Plant | Fuel | Capacity | Distance |
|---|---|---|---|
| Pella Peaking | Oil | 28 MW | ~6 km |
| Knoxville Industrial | Oil | 16 MW | ~9 km |
| Knoxville Battery Energy Storage | Storage | 1.1 MW | ~9 km |
| Prairie Wind Farm | Wind | 168 MW | ~24 km |
| Cargill Corn Milling Division | Natural Gas | 40 MW | ~38 km |
| Metro Methane Recovery Facility | Waste | 11.2 MW | ~40 km |
See all hydroelectric plants in Iowa or browse all plants in Iowa.