Basin Creek Plant
Natural gas power plant in Silver Bow County, Montana. 54.9 MW of nameplate capacity across 9 generators, operated by Basin Creek Power Services LLC.
Also known as EIA plant 55866
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 54.9 MWNameplate
- Generators
- 9 operatingEIA-860M, August 2026
- Operating since
- June 2006First generator online
- Operator
- Basin Creek Power Services LLCEIA operator ID 1308
- Grid
- NWMTBalancing authority NWMT
- Price nodes
- None linkedNo verified ISO node
- Location
- Silver Bow County, MT45.9293, −112.5194
- EIA plant ID
- 55866EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Basin Creek Plant produces
Free · EIA-923Net generation, 2025
169 GWh
169,441 MWh, final
Capacity factor, 2025
35.2%
2024: 37.9%
January to July 2026
33.8 GWh
Provisional
Range, 2015 to 2025
57.0–182.6
GWh a year. Low 2020, high 2024
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | 40,587 | Not reported | 12 of 12 |
| 2007 | 80,267 | Not reported | 12 of 12 |
| 2008 | 49,108 | Not reported | 12 of 12 |
| 2009 | 66,127 | Not reported | 12 of 12 |
| 2010 | 18,760 | 3.9% | 12 of 12 |
| 2011 | 10,305 | 2.1% | 12 of 12 |
| 2012 | 23,438 | 4.9% | 12 of 12 |
| 2013 | 33,915 | 7.1% | 12 of 12 |
| 2014 | 41,212 | 8.6% | 12 of 12 |
| 2015 | 62,797 | 13.1% | 12 of 12 |
| 2016 | 92,242 | 19.1% | 12 of 12 |
| 2017 | 108,306 | 22.5% | 12 of 12 |
| 2018 | 129,765 | 27.0% | 12 of 12 |
| 2019 | 156,356 | 32.5% | 12 of 12 |
| 2020 | 57,048 | 11.8% | 12 of 12 |
| 2021 | 119,812 | 24.9% | 12 of 12 |
| 2022 | 140,930 | 29.3% | 12 of 12 |
| 2023 | 111,191 | 23.1% | 12 of 12 |
| 2024 | 182,628 | 37.9% | 12 of 12 |
| 2025 | 169,441 | 35.2% | 12 of 12 |
| 2026 (provisional, partial year) | 33,826 | 12.1% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Natural Gas Internal Combustion Engine | 6.1 | June 2006 |
| 2 | Natural Gas Internal Combustion Engine | 6.1 | June 2006 |
| 3 | Natural Gas Internal Combustion Engine | 6.1 | June 2006 |
| 4 | Natural Gas Internal Combustion Engine | 6.1 | June 2006 |
| 5 | Natural Gas Internal Combustion Engine | 6.1 | June 2006 |
| 6 | Natural Gas Internal Combustion Engine | 6.1 | June 2006 |
| 7 | Natural Gas Internal Combustion Engine | 6.1 | June 2006 |
| 8 | Natural Gas Internal Combustion Engine | 6.1 | June 2006 |
| 9 | Natural Gas Internal Combustion Engine | 6.1 | June 2006 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Basin Creek Power Services LLC as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Questions about Basin Creek Plant
How much power does Basin Creek Plant produce?
Basin Creek Plant reported 169,441 MWh (169 GWh) of net generation in 2025, a 35.2% capacity factor on 54.9 MW of nameplate capacity. From January to July 2026 it reported 33.8 GWh, which is provisional.
Where is Basin Creek Plant?
Basin Creek Plant is in Silver Bow County, Montana, at 45.9293, −112.5194. It is in the NorthWestern Energy (NWMT) balancing area (NWMT).
Who operates Basin Creek Plant?
EIA-860M for August 2026 lists Basin Creek Power Services LLC as the operator (EIA operator ID 1308). The operator is not always the owner.
When did Basin Creek Plant start operating?
Its first generator began operating in June 2006, according to EIA-860M.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page