Query
Colstrip Energy LP
Type
Entity Briefing
Entity
Colstrip Energy LP
Generated
2026-10-12T17:18:20.029Z

Briefing on Colstrip Energy LP

Entity Briefing
Generated Oct 12, 2026·Dataset freshness not reported
46 MW
Capacity
Operating
Current status
1990
Operating since
1
Generators
71.0%
Capacity factor
288 GWh
Annual generation
Briefing/plantOperating

Colstrip Energy LP is a 46 MW Conventional Steam Coal asset in Montana, currently Operating.

Colstrip Energy LP is reported in Montana since 1990 under Rosebud Energy. Available operating and financial measures include 71.0% capacity factor and 288 GWh annual generation.

Location
Rosebud, Montana
Technology
Conventional Steam Coal
Owner / parent
Rosebud Energy
Operator
Colstrip Energy LP
Grid
NorthWestern Energy (NWMT)
Plant ID
10784

What stands out

1

Colstrip Energy LP is a 46 MW Conventional Steam Coal asset in Montana with status Operating.

2

Latest annual operating measures report 71.0% capacity factor and 288 GWh annual generation.

3

Latest linked story: “NorthWestern Energy now owns an extra 592 megawatts of Colstrip. What’s its plan for doubling down on coal?” (Montana Free Press, 2026-01-15).

Market and operating context

Balancing authority
NorthWestern Energy (NWMT)
NERC region
WECC
State rank
#1 of 1
National rank
#13 of 14

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.