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59 MW Hydro operating in Cascade, MT — NorthWestern Energy (NWMT)
59 MW
Nameplate Capacity
1
Generators
unit
Conventional Hydroelectric
Technology
2013
Operating Since
Coordinates
47.5344, -111.2045
County
Cascade, MT
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | NorthWestern Energy (MT Hydro) | NorthWestern Energy | — |
| Owner(s) | NorthWestern Energy (MT Hydro) | NorthWestern Energy Group | — |
| Status | Operating | operating | — |
Rainbow Dam is a hydroelectric dam on the Missouri River, 29 feet (8.8 m) high and 1,055 feet (322 m) long, located six miles northeast of Great Falls in the U.S. state of Montana.
Read more on WikipediaThe Rainbow hydroelectric plant is located in Cascade County, Montana. It is owned by NorthWestern Energy Group and operated by NorthWestern Energy (MT Hydro). The plant has a total capacity of 59 MW from a single generator using conventional hydroelectric technology. Rainbow began operating in 2013 and is the 10th largest power plant in Montana out of 23, and the 278th largest in the United States out of 1464.
In the most recent year of data, Rainbow generated 328,967 MWh of electricity, achieving a capacity factor of 63.5%. The plant operates within the NorthWestern Energy (NWMT) balancing authority in the Western Electricity Coordinating Council (WECC) NERC region. Its primary fuel source is water (WAT).
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
23.2K MWh
Latest Month
329.0K MWh
Annual Generation
63.5%
Capacity Factor
2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $135.4M
This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
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ask pi about Rainbow (MT)NorthWestern Energy (NWMT) (NWMT)
Grid Voltage
100.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility