Tucannon River Wind Farm
Wind power plant in Columbia County, Washington. 266.8 MW of nameplate capacity across 1 generator, operated by Portland General Electric Co.
Also known as Tucannon River · EIA plant 58571
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 266.8 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- December 2014First generator online
- Operator
- Portland General Electric CoEIA operator ID 15248
- Grid
- PGEBalancing authority PGE
- Price nodes
- None linkedNo verified ISO node
- Location
- Columbia County, WA46.4211, −118.0269
- EIA plant ID
- 58571EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Tucannon River Wind Farm produces
Free · EIA-923Net generation, 2025
737 GWh
736,786 MWh, final
Capacity factor, 2025
31.5%
2024: 34.5%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
678.5–941.7
GWh a year. Low 2023, 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 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | 758,197 | 32.4% | 12 of 12 |
| 2016 | 869,351 | 37.1% | 12 of 12 |
| 2017 | 710,129 | 30.4% | 12 of 12 |
| 2018 | 843,716 | 36.1% | 12 of 12 |
| 2019 | 723,467 | 31.0% | 12 of 12 |
| 2020 | 941,731 | 40.2% | 12 of 12 |
| 2021 | 866,065 | 37.1% | 12 of 12 |
| 2022 | 738,139 | 31.6% | 12 of 12 |
| 2023 | 678,459 | 29.0% | 12 of 12 |
| 2024 | 808,346 | 34.5% | 12 of 12 |
| 2025 | 736,786 | 31.5% | 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 |
|---|---|---|---|
| 1 | Onshore Wind Turbine | 266.8 | December 2014 |
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 Portland General Electric Co 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 Tucannon River Wind Farm
More plants operated by Portland General Electric Co
Questions about Tucannon River Wind Farm
How much power does Tucannon River Wind Farm produce?
Tucannon River Wind Farm reported 736,786 MWh (737 GWh) of net generation in 2025, a 31.5% capacity factor on 266.8 MW of nameplate capacity.
Where is Tucannon River Wind Farm?
Tucannon River Wind Farm is in Columbia County, Washington, at 46.4211, −118.0269. It is in the Portland General Electric Company balancing area (PGE).
Who operates Tucannon River Wind Farm?
EIA-860M for August 2026 lists Portland General Electric Co as the operator (EIA operator ID 15248). The operator is not always the owner.
When did Tucannon River Wind Farm start operating?
Its first generator began operating in December 2014, 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