Colstrip is a 1.6 GW Conventional Steam Coal asset in Montana, currently Operating.
Colstrip is reported in Montana since 1984 under Berkshire Hathaway. Available operating and financial measures include 63.6% capacity factor and 9171 GWh annual generation; $1450/kW reported CapEx.
- Location
- Rosebud, Montana
- Technology
- Conventional Steam Coal
- Owner / parent
- Berkshire Hathaway
- Operator
- Talen Montana LLC
- Grid
- NorthWestern Energy (NWMT)
- Plant ID
- 6076
What stands out
Colstrip is a 1.6 GW Conventional Steam Coal asset in Montana with status Operating.
Latest annual operating measures report 63.6% capacity factor and 9171 GWh annual generation.
Available financial measures include $37.6/MWh OpEx, $1450/kW CapEx.
Latest linked story: “Inside WA’s messy breakup with Montana coal country” (The Spokesman-Review, 2026-03-09).
Market and operating context
- Balancing authority
- NorthWestern Energy (NWMT)
- NERC region
- WECC
- State rank
- #1 of 3
- National rank
- #22 of 100
Why it matters
For this asset, operating status, generation, ownership, and linked events are the primary facts for performance and asset-level diligence. The exact chart and source-linked records below let the reader test those facts before moving to a deeper report.
