San Gabriel Hydro Project
Hydro power plant in Los Angeles County, California. 5 MW of nameplate capacity across 2 generators, operated by Los Angeles County-San Gabriel.
Also known as EIA plant 54017
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 5 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- December 1987First generator online
- Operator
- Los Angeles County-San GabrielEIA operator ID 11295
- Grid
- CAISOBalancing authority CISO
- Price nodes
- None linkedNo verified ISO node
- Location
- Los Angeles County, CA34.2043, −117.8557
- EIA plant ID
- 54017EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power San Gabriel Hydro Project produces
Free · EIA-923Net generation, 2025
2.30 GWh
2,296 MWh, final
Capacity factor, 2025
5.2%
2024: 11.1%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
0.0–13.6
GWh a year. Low 2018, high 2020
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | 5,463 | Not reported | 12 of 12 |
| 2002 | 0 | Not reported | 12 of 12 |
| 2003 | 7,951 | Not reported | 12 of 12 |
| 2004 | 4,318 | Not reported | 12 of 12 |
| 2005 | 10,890 | Not reported | 12 of 12 |
| 2006 | 8,153 | Not reported | 12 of 12 |
| 2007 | 0 | Not reported | 12 of 12 |
| 2008 | 13,199 | Not reported | 12 of 12 |
| 2009 | 4,434 | Not reported | 12 of 12 |
| 2010 | 22,782 | 52.0% | 12 of 12 |
| 2011 | 22,337 | 51.0% | 12 of 12 |
| 2012 | 2,498 | 5.7% | 12 of 12 |
| 2013 | 458 | 1.0% | 12 of 12 |
| 2014 | 610 | 1.4% | 12 of 12 |
| 2015 | 236 | 0.5% | 12 of 12 |
| 2016 | 855 | 1.9% | 12 of 12 |
| 2017 | 10,011 | 22.9% | 12 of 12 |
| 2018 | 0 | 0.0% | 12 of 12 |
| 2019 | 9,147 | 20.9% | 12 of 12 |
| 2020 | 13,619 | 31.0% | 12 of 12 |
| 2021 | 1,341 | 3.1% | 12 of 12 |
| 2022 | 3,316 | 7.6% | 12 of 12 |
| 2023 | 5,625 | 12.8% | 12 of 12 |
| 2024 | 4,885 | 11.1% | 12 of 12 |
| 2025 | 2,296 | 5.2% | 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 |
|---|---|---|---|
| U1 | Conventional Hydroelectric | 3.9 | December 1987 |
| U2 | Conventional Hydroelectric | 1.1 | December 1987 |
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 Los Angeles County-San Gabriel 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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Questions about San Gabriel Hydro Project
How much power does San Gabriel Hydro Project produce?
San Gabriel Hydro Project reported 2,296 MWh (2.30 GWh) of net generation in 2025, a 5.2% capacity factor on 5 MW of nameplate capacity.
Where is San Gabriel Hydro Project?
San Gabriel Hydro Project is in Los Angeles County, California, at 34.2043, −117.8557. It is in the California Independent System Operator balancing area (CISO).
Who operates San Gabriel Hydro Project?
EIA-860M for August 2026 lists Los Angeles County-San Gabriel as the operator (EIA operator ID 11295). The operator is not always the owner.
When did San Gabriel Hydro Project start operating?
Its first generator began operating in December 1987, 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)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page