Oneida
Hydro power plant in Franklin County, Idaho. 30 MW of nameplate capacity across 3 generators, operated by PacifiCorp.
Also known as Oneida Power Plant · EIA plant 829
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 30 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- July 1915First generator online
- Operator
- PacifiCorpEIA operator ID 14354
- Grid
- PACEBalancing authority PACE
- Price nodes
- None linkedNo verified ISO node
- Location
- Franklin County, ID42.2678, −111.7485
- EIA plant ID
- 829EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Oneida produces
Free · EIA-923Net generation, 2025
39.4 GWh
39,401 MWh, final
Capacity factor, 2025
15.0%
2024: 15.9%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
26.2–94.1
GWh a year. Low 2022, high 2017
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 44,194 | Not reported | 12 of 12 |
| 2001 | 37,277 | Not reported | 12 of 12 |
| 2002 | 27,903 | Not reported | 12 of 12 |
| 2003 | 22,106 | Not reported | 12 of 12 |
| 2004 | 18,375 | Not reported | 12 of 12 |
| 2005 | 38,801 | Not reported | 12 of 12 |
| 2006 | 44,922 | Not reported | 12 of 12 |
| 2007 | 36,899 | Not reported | 12 of 12 |
| 2008 | 34,616 | Not reported | 12 of 12 |
| 2009 | 33,079 | Not reported | 12 of 12 |
| 2010 | 28,335 | 10.8% | 12 of 12 |
| 2011 | 77,321 | 29.4% | 12 of 12 |
| 2012 | 32,971 | 12.5% | 12 of 12 |
| 2013 | 28,182 | 10.7% | 12 of 12 |
| 2014 | 21,691 | 8.3% | 12 of 12 |
| 2015 | 28,864 | 11.0% | 12 of 12 |
| 2016 | 39,854 | 15.1% | 12 of 12 |
| 2017 | 94,117 | 35.8% | 12 of 12 |
| 2018 | 61,899 | 23.6% | 12 of 12 |
| 2019 | 51,274 | 19.5% | 12 of 12 |
| 2020 | 49,903 | 18.9% | 12 of 12 |
| 2021 | 27,399 | 10.4% | 12 of 12 |
| 2022 | 26,211 | 10.0% | 12 of 12 |
| 2023 | 42,411 | 16.1% | 12 of 12 |
| 2024 | 42,004 | 15.9% | 12 of 12 |
| 2025 | 39,401 | 15.0% | 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 | 10.0 | July 1915 |
| 2 | Conventional Hydroelectric | 10.0 | July 1916 |
| 3 | Conventional Hydroelectric | 10.0 | July 1920 |
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 PacifiCorp 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 Oneida
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Questions about Oneida
How much power does Oneida produce?
Oneida reported 39,401 MWh (39.4 GWh) of net generation in 2025, a 15.0% capacity factor on 30 MW of nameplate capacity.
Where is Oneida?
Oneida is in Franklin County, Idaho, at 42.2678, −111.7485. It is in the PacifiCorp - East balancing area (PACE).
Who operates Oneida?
EIA-860M for August 2026 lists PacifiCorp as the operator (EIA operator ID 14354). The operator is not always the owner.
When did Oneida start operating?
Its first generator began operating in July 1915, 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