Power plants in Rosebud County, Montana

5 operating power plants in Rosebud County, Montana, with 2,262 MW of nameplate capacity, largest first. From EIA-860M, August 2026.

Plants

Nameplate capacity

2,262 MW

Net generation, 2025

11.6 TWh

Largest

Colstrip

1,647 MW

Largest power plants in Rosebud County

#	Plant	MW	2025 net generation, GWhGWh, 2025	Capacity factor	Operator
1	ColstripCoal	1,647	9,171	63.6%	Talen Montana LLC
2	Clearwater Wind IWind	366	1,329	41.5%	Clearwater Energy Resources LLC
3	Clearwater Wind IIWind	103	401	44.5%	Clearwater Wind II, LLC
4	Clearwater Wind IIIWind	100	377	43.0%	Clearwater Wind III, LLC
5	Colstrip Energy LPCoal	46	278	68.7%	Colstrip Energy LP

MW is the nameplate capacity of operating generators and batteries. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources

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Other counties in Montana

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