Mountain Lake
Oil and natural gas power plant in Cottonwood County, Minnesota. 6.1 MW of nameplate capacity across 4 generators, operated by City of Mountain Lake - (MN).
Also known as Mountain Lake Wind · EIA plant 1998
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 6.1 MWOil 3.6 · Natural gas 1.3 · Wind 1.2
- Generators
- 4 operatingEIA-860M, August 2026
- Operating since
- May 1959First generator online
- Operator
- City of Mountain Lake - (MN)EIA operator ID 13048
- Grid
- MISOBalancing authority MISO
- Price nodes
- None linkedNo verified ISO node
- Location
- Cottonwood County, MN43.9405, −94.9434
- EIA plant ID
- 1998EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Mountain Lake produces
Free · EIA-923Net generation, 2025
2.60 GWh
2,599 MWh, final
Capacity factor, 2025
4.1%
2024: 3.9%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
2.3–3.7
GWh a year. Low 2023, high 2015
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 0 | Not reported | 12 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | 57 | Not reported | 12 of 12 |
| 2003 | 239 | Not reported | 12 of 12 |
| 2004 | 23 | Not reported | 12 of 12 |
| 2005 | 185 | Not reported | 12 of 12 |
| 2006 | 84 | Not reported | 12 of 12 |
| 2007 | 94 | Not reported | 12 of 12 |
| 2008 | 3,553 | Not reported | 12 of 12 |
| 2009 | 3,324 | Not reported | 12 of 12 |
| 2010 | 3,324 | 4.1% | 12 of 12 |
| 2011 | 3,535 | 4.4% | 12 of 12 |
| 2012 | 3,304 | 4.1% | 12 of 12 |
| 2013 | 3,938 | 4.9% | 12 of 12 |
| 2014 | 3,924 | 4.9% | 12 of 12 |
| 2015 | 3,667 | 4.6% | 12 of 12 |
| 2016 | 3,505 | 4.3% | 12 of 12 |
| 2017 | 3,278 | 4.1% | 12 of 12 |
| 2018 | 3,019 | 3.7% | 12 of 12 |
| 2019 | 2,865 | 3.6% | 12 of 12 |
| 2020 | 3,092 | 3.8% | 12 of 12 |
| 2021 | 2,737 | 3.4% | 12 of 12 |
| 2022 | 3,083 | Not reported | 12 of 12 |
| 2023 | 2,310 | Not reported | 12 of 12 |
| 2024 | 2,487 | 3.9% | 12 of 12 |
| 2025 | 2,599 | 4.1% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 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 |
|---|---|---|---|
| 5 | Natural Gas Internal Combustion Engine | 1.3 | May 1959 |
| 6 | Petroleum Liquids | 1.8 | February 1998 |
| 7 | Petroleum Liquids | 1.8 | January 1998 |
| 8 | Onshore Wind Turbine | 1.2 | July 2007 |
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 City of Mountain Lake - (MN) 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 Mountain Lake
How much power does Mountain Lake produce?
Mountain Lake reported 2,599 MWh (2.60 GWh) of net generation in 2025, a 4.1% capacity factor on 6.1 MW of nameplate capacity.
Where is Mountain Lake?
Mountain Lake is in Cottonwood County, Minnesota, at 43.9405, −94.9434. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Mountain Lake?
EIA-860M for August 2026 lists City of Mountain Lake - (MN) as the operator (EIA operator ID 13048). The operator is not always the owner.
Is Mountain Lake a oil or a natural gas plant?
Both. Oil capacity totals 3.6 MW and natural gas capacity totals 1.3 MW, with 1.2 MW of wind.
When did Mountain Lake start operating?
Its first generator began operating in May 1959, 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)
- Project names from the USGS U.S. Wind Turbine Database
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page