Signal Hill West Unit
Natural gas power plant in Los Angeles County, California. 5.7 MW of nameplate capacity across 1 generator, operated by Signal Hill Petroleum, Inc.
Also known as EIA plant 57702
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 5.7 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- July 2004First generator online
- Operator
- Signal Hill Petroleum, IncEIA operator ID 57027
- Grid
- CAISOBalancing authority CISO
- Price nodes
- None linkedNo verified ISO node
- Location
- Los Angeles County, CA33.8112, −118.1756
- EIA plant ID
- 57702EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Signal Hill West Unit produces
Free · EIA-923Net generation, 2025
38.9 GWh
38,905 MWh, final
Capacity factor, 2025
77.9%
2024: 73.6%
January to July 2026
23.7 GWh
Provisional
Range, 2015 to 2025
35.2–41.5
GWh a year. Low 2023, high 2015
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | 39,498 | 79.1% | 12 of 12 |
| 2012 | 39,116 | 78.1% | 12 of 12 |
| 2013 | 41,722 | 83.6% | 12 of 12 |
| 2014 | 38,300 | 76.7% | 12 of 12 |
| 2015 | 41,546 | 83.2% | 12 of 12 |
| 2016 | 35,894 | 71.7% | 12 of 12 |
| 2017 | 38,979 | 78.1% | 12 of 12 |
| 2018 | 39,258 | 78.6% | 12 of 12 |
| 2019 | 38,032 | 76.2% | 12 of 12 |
| 2020 | 41,491 | 82.9% | 12 of 12 |
| 2021 | 39,702 | 79.5% | 12 of 12 |
| 2022 | 37,457 | 75.0% | 12 of 12 |
| 2023 | 35,187 | 70.5% | 12 of 12 |
| 2024 | 36,850 | 73.6% | 12 of 12 |
| 2025 | 38,905 | 77.9% | 12 of 12 |
| 2026 (provisional, partial year) | 23,681 | 81.7% | 7 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.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Other Gases | 5.7 | July 2004 |
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 Signal Hill Petroleum, Inc as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Questions about Signal Hill West Unit
How much power does Signal Hill West Unit produce?
Signal Hill West Unit reported 38,905 MWh (38.9 GWh) of net generation in 2025, a 77.9% capacity factor on 5.7 MW of nameplate capacity. From January to July 2026 it reported 23.7 GWh, which is provisional.
Where is Signal Hill West Unit?
Signal Hill West Unit is in Los Angeles County, California, at 33.8112, −118.1756. It is in the California Independent System Operator balancing area (CISO).
Who operates Signal Hill West Unit?
EIA-860M for August 2026 lists Signal Hill Petroleum, Inc as the operator (EIA operator ID 57027). The operator is not always the owner.
When did Signal Hill West Unit start operating?
Its first generator began operating in July 2004, 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