W E Warne
Hydro power plant in Los Angeles County, California. 74.2 MW of nameplate capacity across 2 generators, operated by California Dept. of Water Resources.
Also known as William E Warne Power Plant · W.E. Warne · WE Warne · EIA plant 6196
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 74.2 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- November 1982First generator online
- Operator
- California Dept. of Water ResourcesEIA operator ID 3255
- Grid
- CAISOBalancing authority CISO
- Price nodes
- 1 CAISO nodeResource nodes with prices
- Location
- Los Angeles County, CA34.6853, −118.7881
- EIA plant ID
- 6196EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power W E Warne produces
Free · EIA-923Net generation, 2025
211 GWh
210,982 MWh, final
Capacity factor, 2025
32.5%
2024: 26.3%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
171.5–293.2
GWh a year. Low 2024, high 2017
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 410,318 | Not reported | 12 of 12 |
| 2001 | 319,712 | Not reported | 12 of 12 |
| 2002 | 440,772 | Not reported | 12 of 12 |
| 2003 | 421,798 | Not reported | 12 of 12 |
| 2004 | 494,355 | Not reported | 12 of 12 |
| 2005 | 288,717 | Not reported | 12 of 12 |
| 2006 | 255,093 | Not reported | 12 of 12 |
| 2007 | 464,271 | Not reported | 12 of 12 |
| 2008 | 314,528 | Not reported | 12 of 12 |
| 2009 | 290,927 | Not reported | 12 of 12 |
| 2010 | 263,988 | 40.6% | 12 of 12 |
| 2011 | 243,918 | 37.5% | 12 of 12 |
| 2012 | 361,318 | 55.4% | 12 of 12 |
| 2013 | 385,412 | 59.3% | 12 of 12 |
| 2014 | 180,578 | 27.8% | 12 of 12 |
| 2015 | 270,280 | 41.6% | 12 of 12 |
| 2016 | 287,460 | 44.1% | 12 of 12 |
| 2017 | 293,222 | 45.1% | 12 of 12 |
| 2018 | 231,047 | 35.5% | 12 of 12 |
| 2019 | 205,056 | 31.5% | 12 of 12 |
| 2020 | 242,054 | 37.1% | 12 of 12 |
| 2021 | 221,174 | 34.0% | 12 of 12 |
| 2022 | 221,272 | 34.0% | 12 of 12 |
| 2023 | 216,892 | 33.4% | 12 of 12 |
| 2024 | 171,455 | 26.3% | 12 of 12 |
| 2025 | 210,982 | 32.5% | 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 account · CAISOEmissions
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 | 37.1 | November 1982 |
| 2 | Conventional Hydroelectric | 37.1 | February 1983 |
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 California Dept. of Water Resources 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 W E Warne
More plants operated by California Dept. of Water Resources
Questions about W E Warne
How much power does W E Warne produce?
W E Warne reported 210,982 MWh (211 GWh) of net generation in 2025, a 32.5% capacity factor on 74.2 MW of nameplate capacity.
Where is W E Warne?
W E Warne is in Los Angeles County, California, at 34.6853, −118.7881. It is in the California Independent System Operator balancing area (CISO).
Who operates W E Warne?
EIA-860M for August 2026 lists California Dept. of Water Resources as the operator (EIA operator ID 3255). The operator is not always the owner.
When did W E Warne start operating?
Its first generator began operating in November 1982, according to EIA-860M.
Does InfraMap have power prices for W E Warne?
Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to W E Warne, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
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)
- CAISO day-ahead and real-time prices; node and hub assignments as of 2026-10-05
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page