Mountain Wind Power II LLC
Wind power plant in Uinta County, Wyoming. 80 MW of nameplate capacity across 1 generator, operated by Mountain Wind Power II LLC.
Also known as Mountain Wind Power II · Mountain Wind II · EIA plant 56753
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 80 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- September 2008First generator online
- Operator
- Mountain Wind Power II LLCEIA operator ID 64652
- Grid
- PACEBalancing authority PACE
- Price nodes
- None linkedNo verified ISO node
- Location
- Uinta County, WY41.2639, −110.5444
- EIA plant ID
- 56753EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Mountain Wind Power II produces
Free · EIA-923Net generation, 2025
188 GWh
187,778 MWh, final
Capacity factor, 2025
26.8%
2024: 24.2%
January to July 2026
108 GWh
Provisional
Range, 2015 to 2025
5.7–216.9
GWh a year. Low 2018, high 2017
| 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 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | 54,225 | Not reported | 4 of 12 |
| 2009 | 202,844 | Not reported | 12 of 12 |
| 2010 | 202,072 | 28.8% | 12 of 12 |
| 2011 | 240,846 | 34.4% | 12 of 12 |
| 2012 | 227,793 | 32.4% | 12 of 12 |
| 2013 | 227,852 | 32.5% | 12 of 12 |
| 2014 | 255,792 | 36.5% | 12 of 12 |
| 2015 | 183,055 | 26.1% | 12 of 12 |
| 2016 | 211,254 | 30.1% | 12 of 12 |
| 2017 | 216,909 | 31.0% | 12 of 12 |
| 2018 | 5,674 | 0.8% | 12 of 12 |
| 2019 | 198,886 | 28.4% | 12 of 12 |
| 2020 | 156,303 | 22.2% | 12 of 12 |
| 2021 | 160,538 | 22.9% | 12 of 12 |
| 2022 | 144,290 | 20.6% | 12 of 12 |
| 2023 | 140,786 | 20.1% | 12 of 12 |
| 2024 | 170,130 | 24.2% | 12 of 12 |
| 2025 | 187,778 | 26.8% | 12 of 12 |
| 2026 (provisional, partial year) | 108,092 | 26.6% | 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. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Onshore Wind Turbine | 80.0 | September 2008 |
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 Mountain Wind Power II LLC as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Modeled curtailment
A range, not one number. The lower bound counts hours inside the production tax credit window; the upper bound is the no-credit case.
Expected vs reported generation
Monthly modeled expected output and physical potential next to EIA-923 reported output.
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Questions about Mountain Wind Power II
How much power does Mountain Wind Power II LLC produce?
Mountain Wind Power II LLC reported 187,778 MWh (188 GWh) of net generation in 2025, a 26.8% capacity factor on 80 MW of nameplate capacity. From January to July 2026 it reported 108 GWh, which is provisional.
Where is Mountain Wind Power II LLC?
Mountain Wind Power II LLC is in Uinta County, Wyoming, at 41.2639, −110.5444. It is in the PacifiCorp - East balancing area (PACE).
Who operates Mountain Wind Power II LLC?
EIA-860M for August 2026 lists Mountain Wind Power II LLC as the operator (EIA operator ID 64652). The operator is not always the owner.
When did Mountain Wind Power II LLC start operating?
Its first generator began operating in September 2008, 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)
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
- 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