Pelton
Hydro power plant in Jefferson County, Oregon. 109.8 MW of nameplate capacity across 3 generators, operated by Portland General Electric Co.
Also known as Pelton Dam · EIA plant 3048
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 109.8 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- December 1957First generator online
- Operator
- Portland General Electric CoEIA operator ID 15248
- Grid
- PGEBalancing authority PGE
- Price nodes
- None linkedNo verified ISO node
- Location
- Jefferson County, OR44.6944, −121.2314
- EIA plant ID
- 3048EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Pelton produces
Free · EIA-923Net generation, 2025
400 GWh
399,648 MWh, final
Capacity factor, 2025
41.6%
2024: 37.5%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
295.2–445.1
GWh a year. Low 2021, high 2017
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 416,676 | Not reported | 12 of 12 |
| 2001 | 384,999 | Not reported | 12 of 12 |
| 2002 | 381,200 | Not reported | 12 of 12 |
| 2003 | 387,031 | Not reported | 12 of 12 |
| 2004 | 382,548 | Not reported | 12 of 12 |
| 2005 | 381,388 | Not reported | 12 of 12 |
| 2006 | 480,154 | Not reported | 12 of 12 |
| 2007 | 415,104 | Not reported | 12 of 12 |
| 2008 | 414,842 | Not reported | 12 of 12 |
| 2009 | 414,213 | Not reported | 12 of 12 |
| 2010 | 424,330 | 44.1% | 12 of 12 |
| 2011 | 478,016 | 49.7% | 12 of 12 |
| 2012 | 455,704 | 47.2% | 12 of 12 |
| 2013 | 406,441 | 42.3% | 12 of 12 |
| 2014 | 422,527 | 43.9% | 12 of 12 |
| 2015 | 397,849 | 41.4% | 12 of 12 |
| 2016 | 401,591 | 41.6% | 12 of 12 |
| 2017 | 445,060 | 46.3% | 12 of 12 |
| 2018 | 361,732 | 37.6% | 12 of 12 |
| 2019 | 382,836 | 39.8% | 12 of 12 |
| 2020 | 339,139 | 35.2% | 12 of 12 |
| 2021 | 295,218 | 30.7% | 12 of 12 |
| 2022 | 311,033 | 32.3% | 12 of 12 |
| 2023 | 347,474 | 36.1% | 12 of 12 |
| 2024 | 361,788 | 37.5% | 12 of 12 |
| 2025 | 399,648 | 41.6% | 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 | 45.0 | December 1957 |
| 2 | Conventional Hydroelectric | 32.4 | March 1958 |
| 3 | Conventional Hydroelectric | 32.4 | April 1958 |
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 Pelton
More plants operated by Portland General Electric Co
Questions about Pelton
How much power does Pelton produce?
Pelton reported 399,648 MWh (400 GWh) of net generation in 2025, a 41.6% capacity factor on 109.8 MW of nameplate capacity.
Where is Pelton?
Pelton is in Jefferson County, Oregon, at 44.6944, −121.2314. It is in the Portland General Electric Company balancing area (PGE).
Who operates Pelton?
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 Pelton start operating?
Its first generator began operating in December 1957, 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