Milner Dam Wind Park LLC
Wind power plant in Cassia County, Idaho. 19.5 MW of nameplate capacity across 1 generator, operated by Idaho Wind Partners 1 LLC.
Also known as Milner Dam Wind Park · EIA plant 56437
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 19.5 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- February 2011First generator online
- Operator
- Idaho Wind Partners 1 LLCEIA operator ID 56592
- Grid
- IPCOBalancing authority IPCO
- Price nodes
- None linkedNo verified ISO node
- Location
- Cassia County, ID42.4606, −114.0173
- EIA plant ID
- 56437EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Milner Dam Wind Park produces
Free · EIA-923Net generation, 2025
50.5 GWh
50,520 MWh, final
Capacity factor, 2025
29.6%
2024: 32.8%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
45.8–59.0
GWh a year. Low 2019, high 2021
| 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 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | 39,079 | Not reported | 12 of 12 |
| 2012 | 54,588 | 31.9% | 12 of 12 |
| 2013 | 56,038 | 32.8% | 12 of 12 |
| 2014 | 59,015 | 34.5% | 12 of 12 |
| 2015 | 47,104 | 27.6% | 12 of 12 |
| 2016 | 52,557 | 30.7% | 12 of 12 |
| 2017 | 46,049 | 27.0% | 12 of 12 |
| 2018 | 56,611 | 33.1% | 12 of 12 |
| 2019 | 45,845 | 26.8% | 12 of 12 |
| 2020 | 58,940 | 34.4% | 12 of 12 |
| 2021 | 58,962 | 34.5% | 12 of 12 |
| 2022 | 51,350 | 30.1% | 12 of 12 |
| 2023 | 46,644 | 27.3% | 12 of 12 |
| 2024 | 56,204 | 32.8% | 12 of 12 |
| 2025 | 50,520 | 29.6% | 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. 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 |
|---|---|---|---|
| MDWP | Onshore Wind Turbine | 19.5 | February 2011 |
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 Idaho Wind Partners 1 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 Milner Dam Wind Park
More plants operated by Idaho Wind Partners 1 LLC
Questions about Milner Dam Wind Park
How much power does Milner Dam Wind Park LLC produce?
Milner Dam Wind Park LLC reported 50,520 MWh (50.5 GWh) of net generation in 2025, a 29.6% capacity factor on 19.5 MW of nameplate capacity.
Where is Milner Dam Wind Park LLC?
Milner Dam Wind Park LLC is in Cassia County, Idaho, at 42.4606, −114.0173. It is in the Idaho Power Company balancing area (IPCO).
Who operates Milner Dam Wind Park LLC?
EIA-860M for August 2026 lists Idaho Wind Partners 1 LLC as the operator (EIA operator ID 56592). The operator is not always the owner.
When did Milner Dam Wind Park LLC start operating?
Its first generator began operating in February 2011, 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