Windy Flats Wind Project
Wind power plant in Klickitat County, Washington. 262.2 MW of nameplate capacity across 1 generator, operated by Windy Flats Partners LLC.
Also known as Windy Point II · Windy Point IIa (Windy Flats Extension) · Windy Point II (Windy Flats) · EIA plant 57159
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 262.2 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- October 2009First generator online
- Operator
- Windy Flats Partners LLCEIA operator ID 56514
- Grid
- BPATBalancing authority BPAT
- Price nodes
- None linkedNo verified ISO node
- Location
- Klickitat County, WA45.7269, −120.8339
- EIA plant ID
- 57159EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Windy Flats Wind Project produces
Free · EIA-923Net generation, 2025
651 GWh
650,866 MWh, final
Capacity factor, 2025
28.3%
2024: 29.2%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
566.4–770.9
GWh a year. Low 2017, high 2020
| 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 | 28,683 | Not reported | 12 of 12 |
| 2010 | 642,510 | 28.0% | 12 of 12 |
| 2011 | 730,631 | 31.8% | 12 of 12 |
| 2012 | 673,382 | 29.2% | 12 of 12 |
| 2013 | 704,399 | 30.7% | 12 of 12 |
| 2014 | 656,728 | 28.6% | 12 of 12 |
| 2015 | 621,861 | 27.1% | 12 of 12 |
| 2016 | 663,771 | 28.8% | 12 of 12 |
| 2017 | 566,374 | 24.7% | 12 of 12 |
| 2018 | 674,457 | 29.4% | 12 of 12 |
| 2019 | 611,875 | 26.6% | 12 of 12 |
| 2020 | 770,897 | 33.5% | 12 of 12 |
| 2021 | 705,342 | 30.7% | 12 of 12 |
| 2022 | 636,722 | 27.7% | 12 of 12 |
| 2023 | 567,847 | 24.7% | 12 of 12 |
| 2024 | 671,560 | 29.2% | 12 of 12 |
| 2025 | 650,866 | 28.3% | 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 |
|---|---|---|---|
| GEN1 | Onshore Wind Turbine | 262.2 | October 2009 |
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 Windy Flats Partners 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 Windy Flats Wind Project
How much power does Windy Flats Wind Project produce?
Windy Flats Wind Project reported 650,866 MWh (651 GWh) of net generation in 2025, a 28.3% capacity factor on 262.2 MW of nameplate capacity.
Where is Windy Flats Wind Project?
Windy Flats Wind Project is in Klickitat County, Washington, at 45.7269, −120.8339. It is in the Bonneville Power Administration balancing area (BPAT).
Who operates Windy Flats Wind Project?
EIA-860M for August 2026 lists Windy Flats Partners LLC as the operator (EIA operator ID 56514). The operator is not always the owner.
When did Windy Flats Wind Project start operating?
Its first generator began operating in October 2009, 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