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428 MW Hydro operating in Flathead, MT
428 MW
Nameplate Capacity
4
Generators
units
Conventional Hydroelectric
Technology
1952
Operating Since
Coordinates
48.3415, -114.0144
County
Flathead, MT
Nearby Plants
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Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | U S Bureau of Reclamation | US Bureau of Reclamation | — |
| Owner(s) | U S Bureau of Reclamation | US Bureau of Reclamation | — |
| Status | Operating | operating | — |
GEM identifies the owner as US Bureau of Reclamation
This entity is not yet in the GEM ownership database — chain unavailable.
Hungry Horse Dam is an arch dam in the Western United States, on the South Fork Flathead River in the Rocky Mountains of northwest Montana. It is located in Flathead National Forest in Flathead County, about fifteen miles (24 km) south of the west entrance to Glacier National Park, nine miles (14 km) southeast of Columbia Falls, and twenty miles (32 km) northeast of Kalispell. The Hungry Horse project, dam, and powerplant are operated by the U.S. Bureau of Reclamation. The entrance road leading to the dam is located in Hungry Horse.
Read more on WikipediaHungry Horse is a hydroelectric power plant located in Flathead County, Montana. The plant, owned and operated by the U.S. Bureau of Reclamation, began operating in 1952. It has a total capacity of 428 MW, distributed across four generators. The plant utilizes conventional hydroelectric technology with water as its primary fuel source.
In the most recent year of reported data, Hungry Horse generated 730,341 MWh of electricity, achieving a capacity factor of 19.4%. The plant operates within the Bonneville Power Administration balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Hungry Horse is the third-largest hydroelectric plant in Montana out of six such plants, and ranks 55th nationally out of 194 hydroelectric plants.
Generated from EIA, GEM, and public data sources
Grid Region
Pacific Northwest
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
Bonneville Power Administration (BPAT)
Grid Voltage
230.0 kV
Regulatory Status
RE — Regulated
Entity Type
Federal
Sector
Electric Utility
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
59.5K MWh
Latest Month
730.3K MWh
Annual Generation
19.4%
Capacity Factor
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2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $982.0M
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This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-04-19
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