Mountain Home
Wind power plant in Elmore County, Idaho. 21 MW of nameplate capacity across 1 generator, operated by Hot Springs Windfarm, LLC.
Also known as Mountain Home Wind Farm · EIA plant 56636
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 21 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- May 2008First generator online
- Operator
- Hot Springs Windfarm, LLCEIA operator ID 55891
- Grid
- IPCOBalancing authority IPCO
- Price nodes
- None linkedNo verified ISO node
- Location
- Elmore County, ID43.0272, −115.4656
- EIA plant ID
- 56636EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Mountain Home produces
Free · EIA-923Net generation, 2025
33.1 GWh
33,053 MWh, final
Capacity factor, 2025
18.0%
2024: 20.6%
January to July 2026
18.3 GWh
Provisional
Range, 2015 to 2025
32.1–40.9
GWh a year. Low 2015, high 2016
| 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 | 3,654 | Not reported | 12 of 12 |
| 2009 | 43,197 | Not reported | 12 of 12 |
| 2010 | 31,180 | 16.9% | 12 of 12 |
| 2011 | 44,465 | 24.2% | 12 of 12 |
| 2012 | 46,106 | 25.0% | 12 of 12 |
| 2013 | 38,839 | 21.1% | 12 of 12 |
| 2014 | 41,453 | 22.5% | 12 of 12 |
| 2015 | 32,111 | 17.5% | 12 of 12 |
| 2016 | 40,876 | 22.2% | 12 of 12 |
| 2017 | 40,876 | 22.2% | 12 of 12 |
| 2018 | 38,169 | 20.7% | 12 of 12 |
| 2019 | 37,139 | 20.2% | 12 of 12 |
| 2020 | 37,077 | 20.1% | 12 of 12 |
| 2021 | 34,615 | 18.8% | 12 of 12 |
| 2022 | 33,187 | 18.0% | 12 of 12 |
| 2023 | 34,676 | 18.8% | 12 of 12 |
| 2024 | 37,975 | 20.6% | 12 of 12 |
| 2025 | 33,053 | 18.0% | 12 of 12 |
| 2026 (provisional, partial year) | 18,314 | 17.1% | 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. 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 | 21.0 | May 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 Hot Springs Windfarm, 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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Power plants near Mountain Home
Questions about Mountain Home
How much power does Mountain Home produce?
Mountain Home reported 33,053 MWh (33.1 GWh) of net generation in 2025, a 18.0% capacity factor on 21 MW of nameplate capacity. From January to July 2026 it reported 18.3 GWh, which is provisional.
Where is Mountain Home?
Mountain Home is in Elmore County, Idaho, at 43.0272, −115.4656. It is in the Idaho Power Company balancing area (IPCO).
Who operates Mountain Home?
EIA-860M for August 2026 lists Hot Springs Windfarm, LLC as the operator (EIA operator ID 55891). The operator is not always the owner.
When did Mountain Home start operating?
Its first generator began operating in May 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)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page