Klondike Windpower III
Wind power plant in Sherman County, Oregon. 297.5 MW of nameplate capacity across 2 generators, operated by Avangrid Power LLC.
Also known as Klondike III · Klondike IIIA · EIA plant 56468
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 297.5 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- November 2007First generator online
- Operator
- Avangrid Power LLCEIA operator ID 15399
- Grid
- AVRNBalancing authority AVRN
- Price nodes
- None linkedNo verified ISO node
- Location
- Sherman County, OR45.5836, −120.5042
- EIA plant ID
- 56468EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Klondike Windpower III produces
Free · EIA-923Net generation, 2025
707 GWh
706,799 MWh, final
Capacity factor, 2025
27.1%
2024: 28.0%
January to July 2026
466 GWh
Provisional
Range, 2015 to 2025
663.3–853.2
GWh a year. Low 2017, 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 | 89,171 | Not reported | 12 of 12 |
| 2008 | 640,229 | Not reported | 12 of 12 |
| 2009 | 766,642 | Not reported | 12 of 12 |
| 2010 | 735,364 | 28.2% | 12 of 12 |
| 2011 | 821,817 | 31.5% | 12 of 12 |
| 2012 | 763,349 | 29.2% | 12 of 12 |
| 2013 | 814,907 | 31.3% | 12 of 12 |
| 2014 | 800,260 | 30.7% | 12 of 12 |
| 2015 | 726,919 | 27.9% | 12 of 12 |
| 2016 | 759,196 | 29.1% | 12 of 12 |
| 2017 | 663,335 | 25.5% | 12 of 12 |
| 2018 | 724,004 | 27.8% | 12 of 12 |
| 2019 | 699,889 | 26.9% | 12 of 12 |
| 2020 | 818,420 | 31.3% | 12 of 12 |
| 2021 | 853,185 | 32.7% | 12 of 12 |
| 2022 | 708,208 | 27.2% | 12 of 12 |
| 2023 | 683,995 | 26.2% | 12 of 12 |
| 2024 | 730,530 | 28.0% | 12 of 12 |
| 2025 | 706,799 | 27.1% | 12 of 12 |
| 2026 (provisional, partial year) | 465,623 | 30.8% | 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 | 221.0 | November 2007 |
| 2 | Onshore Wind Turbine | 76.5 | July 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 Avangrid Power 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 Klondike Windpower III
More plants operated by Avangrid Power LLC
Questions about Klondike Windpower III
How much power does Klondike Windpower III produce?
Klondike Windpower III reported 706,799 MWh (707 GWh) of net generation in 2025, a 27.1% capacity factor on 297.5 MW of nameplate capacity. From January to July 2026 it reported 466 GWh, which is provisional.
Where is Klondike Windpower III?
Klondike Windpower III is in Sherman County, Oregon, at 45.5836, −120.5042. It is in the Avangrid Renewables LLC balancing area (AVRN).
Who operates Klondike Windpower III?
EIA-860M for August 2026 lists Avangrid Power LLC as the operator (EIA operator ID 15399). The operator is not always the owner.
When did Klondike Windpower III start operating?
Its first generator began operating in November 2007, 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