Hungry Horse — Plant Summary
- EIA Plant ID
- 2203
- Capacity
- 428 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Flathead, MT
- Operating Since
- 1952
- Generators
- 4
- Operator
- U S Bureau of Reclamation
- Parent Company
- —
- Annual Generation
- 730,341 MWh
- Capacity Factor
- 19.4%
- Balancing Authority
- Bonneville Power Administration
- ISO/RTO
- —
- NERC Region
- WECC
Hungry Horse
OperatingHydro
Ranked #3 of 23 Hydro plants in MT#55 of 1454 nationally
428 MW Hydro operating in Flathead, MT — Bonneville Power Administration
EIAGEMWD
428 MW
Nameplate Capacity
4
Generators
units
Conventional Hydroelectric
Technology
1952
Operating Since
Location
Coordinates
48.3415, -114.0144
County
Flathead, MT
Nearby Plants
- Stoltze CoGen1Wood Waste2.8 MW · 17.5 km
- Flathead Landfill to Gas Energy FacilityLandfill Gas3.2 MW · 24.4 km
Ownership & Operator
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 [100%] | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as US Bureau of Reclamation [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
About
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
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Bonneville Power Administration
Grid Voltage
230 kV
Regulatory Status
RE
Entity Type
Federal
Sector
Electric Utility
Generation
59.5K MWh
Latest Month
730.3K MWh
Annual Generation
19.4%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (10)Beta
Last updated 2026-03-14
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