Rainbow (MT)
A 59 MW hydroelectric power plant in Cascade, Montana, owned by NorthWestern Energy (MT Hydro), commissioned in 2013.
Facility nameplate · EIA Plant ID 2193Hydroelectric
Nameplate capacity
59 MW
Primary fuel
Hydroelectric
Commissioned
2013
Owner
NorthWestern Energy (MT Hydro)
Location
Cascade, Montana
Coordinates
Generation (2024)
329 GWh
Status
Operating
Technology
Conventional Hydroelectric
Units
1
Reported annual generation
| Year | GWh | |
|---|---|---|
| 2015 | 347.7 | |
| 2016 | 343.2 | |
| 2017 | 376 | |
| 2018 | 398.8 | |
| 2019 | 453.4 | |
| 2020 | 402.1 | |
| 2021 | 308.4 | |
| 2022 | 294 | |
| 2023 | 394.9 | |
| 2024 | 329 |
Nearby power plants
| Plant | Fuel | Capacity | Distance |
|---|---|---|---|
| Cochrane | Hydroelectric | 60.4 MW | ~1 km |
| Black Eagle Solar, LLC | Solar | 3 MW | ~4 km |
| Black Eagle | Hydroelectric | 26.7 MW | ~5 km |
| Ryan | Hydroelectric | 55.2 MW | ~7 km |
| Morony | Hydroelectric | 63 MW | ~12 km |
| Horseshoe Bend Wind Park | Wind | 9 MW | ~18 km |
See all hydroelectric plants in Montana or browse all plants in Montana.