Bonneville
Hydro power plant in Multnomah County, Oregon. 979.8 MW of nameplate capacity across 16 generators, operated by USACE Northwestern Division.
Also known as Bonneville Powerhouses · EIA plant 3075
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 979.8 MWNameplate
- Generators
- 16 operatingEIA-860M, August 2026
- Operating since
- January 1941First generator online
- Operator
- USACE Northwestern DivisionEIA operator ID 19400
- Grid
- BPATBalancing authority BPAT
- Price nodes
- None linkedNo verified ISO node
- Location
- Multnomah County, OR45.6441, −121.9410
- EIA plant ID
- 3075EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Bonneville produces
Free · EIA-923Net generation, 2025
3.72 TWh
3,721,859 MWh, final
Capacity factor, 2025
36.6%
2024: 34.2%
January to July 2026
2.45 TWh
Provisional
Range, 2015 to 2025
3.5–4.9
TWh a year. Low 2024, high 2018
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 5,060,580 | Not reported | 12 of 12 |
| 2001 | 4,118,437 | Not reported | 12 of 12 |
| 2002 | 4,682,387 | Not reported | 12 of 12 |
| 2003 | 4,491,972 | Not reported | 12 of 12 |
| 2004 | 4,693,510 | Not reported | 12 of 12 |
| 2005 | 4,311,382 | Not reported | 12 of 12 |
| 2006 | 5,083,349 | Not reported | 12 of 12 |
| 2007 | 4,558,978 | Not reported | 12 of 12 |
| 2008 | 4,485,704 | Not reported | 12 of 12 |
| 2009 | 4,465,809 | Not reported | 12 of 12 |
| 2010 | 4,034,951 | 42.1% | 12 of 12 |
| 2011 | 5,511,267 | 57.6% | 12 of 12 |
| 2012 | 5,549,149 | 57.8% | 12 of 12 |
| 2013 | 4,671,527 | Not reported | 12 of 12 |
| 2014 | 4,876,917 | 47.9% | 12 of 12 |
| 2015 | 4,127,097 | 40.5% | 12 of 12 |
| 2016 | 4,625,436 | 45.3% | 12 of 12 |
| 2017 | 4,834,674 | 47.5% | 12 of 12 |
| 2018 | 4,859,814 | 47.7% | 12 of 12 |
| 2019 | 4,207,101 | 41.3% | 12 of 12 |
| 2020 | 4,669,766 | 45.8% | 12 of 12 |
| 2021 | 4,010,436 | 39.4% | 12 of 12 |
| 2022 | 4,681,188 | 46.0% | 12 of 12 |
| 2023 | 3,631,018 | 35.7% | 12 of 12 |
| 2024 | 3,492,864 | 34.2% | 12 of 12 |
| 2025 | 3,721,859 | 36.6% | 12 of 12 |
| 2026 (provisional, partial year) | 2,453,489 | 41.5% | 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 |
|---|---|---|---|
| 3 | Conventional Hydroelectric | 62.1 | January 1941 |
| 4 | Conventional Hydroelectric | 62.1 | February 1941 |
| 5 | Conventional Hydroelectric | 62.1 | October 1941 |
| 6 | Conventional Hydroelectric | 62.1 | June 1942 |
| 7 | Conventional Hydroelectric | 62.1 | April 1943 |
| 8 | Conventional Hydroelectric | 62.1 | July 1943 |
| 10 | Conventional Hydroelectric | 62.1 | January 1944 |
| 11 | Conventional Hydroelectric | 66.5 | October 1982 |
| 12 | Conventional Hydroelectric | 66.5 | October 1982 |
| 13 | Conventional Hydroelectric | 66.5 | October 1982 |
| 14 | Conventional Hydroelectric | 66.5 | June 1982 |
| 15 | Conventional Hydroelectric | 66.5 | March 1982 |
| 16 | Conventional Hydroelectric | 66.5 | December 1981 |
| 17 | Conventional Hydroelectric | 66.5 | September 1981 |
| 18 | Conventional Hydroelectric | 66.5 | May 1981 |
| F1 | Conventional Hydroelectric | 13.1 | January 1982 |
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 USACE Northwestern Division as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
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Power plants near Bonneville
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Questions about Bonneville
How much power does Bonneville produce?
Bonneville reported 3,721,859 MWh (3.72 TWh) of net generation in 2025, a 36.6% capacity factor on 979.8 MW of nameplate capacity. From January to July 2026 it reported 2.45 TWh, which is provisional.
Where is Bonneville?
Bonneville is in Multnomah County, Oregon, at 45.6441, −121.9410. It is in the Bonneville Power Administration balancing area (BPAT).
Who operates Bonneville?
EIA-860M for August 2026 lists USACE Northwestern Division as the operator (EIA operator ID 19400). The operator is not always the owner.
When did Bonneville start operating?
Its first generator began operating in January 1941, 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