Colstrip Energy LP
Colstrip Energy LP is a 46 MW coal power plant in Rosebud County, Montana, operated by Colstrip Energy LP. EIA-860M lists 1 generating unit here. Its unit entered service in 1990.
As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m
- Nameplate capacity
- 46.1 MW
- 38 MW net summer
- Generating units
- 1
- In service
- 1990
- EIA plant ID
- 10784
Where it is
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- County
- Rosebud County, Montana
- Coordinates
- 45.9752, -106.6547
- Balancing authority
- NWMT
- Sector
- IPP Non-CHP
Units, technology and status
- Operator of record
- Colstrip Energy LP
- Primary energy source
- Coal
- Technologies
- Conventional Steam Coal
- Status
- Operating
Colstrip Energy LP: FAQ
- Where is Colstrip Energy LP?
- In Rosebud County, Montana (MT). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
- How big is Colstrip Energy LP?
- 46 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
- Who owns Colstrip Energy LP?
- EIA-860M names Colstrip Energy LP as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
- Is Colstrip Energy LP still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.