Round Butte
Hydro power plant in Jefferson County, Oregon. 372.5 MW of nameplate capacity across 3 generators, operated by Portland General Electric Co.
Also known as Round Butte Power Plant · EIA plant 3050
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 372.5 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- August 1964First generator online
- Operator
- Portland General Electric CoEIA operator ID 15248
- Grid
- PGEBalancing authority PGE
- Price nodes
- None linkedNo verified ISO node
- Location
- Jefferson County, OR44.6058, −121.2773
- EIA plant ID
- 3050EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Round Butte produces
Free · EIA-923Net generation, 2025
772 GWh
772,426 MWh, final
Capacity factor, 2025
23.7%
2024: 24.3%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
0.7–1.0
TWh a year. Low 2021, high 2017
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 1,074,371 | Not reported | 12 of 12 |
| 2001 | 890,192 | Not reported | 12 of 12 |
| 2002 | 906,171 | Not reported | 12 of 12 |
| 2003 | 906,827 | Not reported | 12 of 12 |
| 2004 | 959,959 | Not reported | 12 of 12 |
| 2005 | 890,175 | Not reported | 12 of 12 |
| 2006 | 1,123,660 | Not reported | 12 of 12 |
| 2007 | 965,950 | Not reported | 12 of 12 |
| 2008 | 965,135 | Not reported | 12 of 12 |
| 2009 | 976,982 | Not reported | 12 of 12 |
| 2010 | 1,000,545 | 46.3% | 12 of 12 |
| 2011 | 1,110,646 | 51.4% | 12 of 12 |
| 2012 | 1,063,705 | 49.0% | 12 of 12 |
| 2013 | 949,058 | 43.9% | 12 of 12 |
| 2014 | 992,595 | Not reported | 12 of 12 |
| 2015 | 919,904 | 28.2% | 12 of 12 |
| 2016 | 931,167 | 28.5% | 12 of 12 |
| 2017 | 1,035,602 | 31.7% | 12 of 12 |
| 2018 | 835,098 | 25.6% | 12 of 12 |
| 2019 | 870,819 | 26.7% | 12 of 12 |
| 2020 | 768,885 | 23.5% | 12 of 12 |
| 2021 | 748,182 | 22.9% | 12 of 12 |
| 2022 | 753,618 | 23.1% | 12 of 12 |
| 2023 | 780,181 | 23.9% | 12 of 12 |
| 2024 | 794,421 | 24.3% | 12 of 12 |
| 2025 | 772,426 | 23.7% | 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 | Conventional Hydroelectric | 112.5 | August 1964 |
| 2 | Conventional Hydroelectric | 130.0 | November 1964 |
| 3 | Conventional Hydroelectric | 130.0 | October 1964 |
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.
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Power plants near Round Butte
More plants operated by Portland General Electric Co
Questions about Round Butte
How much power does Round Butte produce?
Round Butte reported 772,426 MWh (772 GWh) of net generation in 2025, a 23.7% capacity factor on 372.5 MW of nameplate capacity.
Where is Round Butte?
Round Butte is in Jefferson County, Oregon, at 44.6058, −121.2773. It is in the Portland General Electric Company balancing area (PGE).
Who operates Round Butte?
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 Round Butte start operating?
Its first generator began operating in August 1964, 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