Salton Sea Power Gen Co - Unit 4
Geothermal power plant in Imperial County, California. 47.5 MW of nameplate capacity across 1 generator, operated by CalEnergy Operating Corporation.
Also known as EIA plant 54996
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 47.5 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- May 1996First generator online
- Operator
- CalEnergy Operating CorporationEIA operator ID 49899
- Grid
- IIDBalancing authority IID
- Price nodes
- None linkedNo verified ISO node
- Location
- Imperial County, CA33.1570, −115.6386
- EIA plant ID
- 54996EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Salton Sea Power Gen Co - Unit 4 produces
Free · EIA-923Net generation, 2025
321 GWh
321,238 MWh, final
Capacity factor, 2025
77.2%
2024: 43.1%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
179.8–329.9
GWh a year. Low 2024, high 2015
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 272,798 | Not reported | 12 of 12 |
| 2001 | 300,759 | Not reported | 12 of 12 |
| 2002 | 331,307 | Not reported | 12 of 12 |
| 2003 | 272,967 | Not reported | 12 of 12 |
| 2004 | 343,678 | Not reported | 12 of 12 |
| 2005 | 347,467 | Not reported | 12 of 12 |
| 2006 | 342,941 | Not reported | 12 of 12 |
| 2007 | 334,143 | Not reported | 12 of 12 |
| 2008 | 344,000 | Not reported | 12 of 12 |
| 2009 | 360,000 | Not reported | 12 of 12 |
| 2010 | 355,000 | 79.5% | 12 of 12 |
| 2011 | 344,000 | 77.0% | 12 of 12 |
| 2012 | 304,390 | 67.9% | 12 of 12 |
| 2013 | 324,963 | 72.7% | 12 of 12 |
| 2014 | 295,485 | Not reported | 12 of 12 |
| 2015 | 329,900 | 79.3% | 12 of 12 |
| 2016 | 263,020 | 63.0% | 12 of 12 |
| 2017 | 313,497 | 75.3% | 12 of 12 |
| 2018 | 299,435 | 72.0% | 12 of 12 |
| 2019 | 290,199 | 69.7% | 12 of 12 |
| 2020 | 222,559 | 53.3% | 12 of 12 |
| 2021 | 275,309 | 66.2% | 12 of 12 |
| 2022 | 323,495 | 77.7% | 12 of 12 |
| 2023 | 319,695 | 76.8% | 12 of 12 |
| 2024 | 179,841 | 43.1% | 12 of 12 |
| 2025 | 321,238 | 77.2% | 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.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 4100 | Geothermal | 47.5 | May 1996 |
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 CalEnergy Operating Corporation 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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Power plants near Salton Sea Power Gen Co - Unit 4
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Questions about Salton Sea Power Gen Co - Unit 4
How much power does Salton Sea Power Gen Co - Unit 4 produce?
Salton Sea Power Gen Co - Unit 4 reported 321,238 MWh (321 GWh) of net generation in 2025, a 77.2% capacity factor on 47.5 MW of nameplate capacity.
Where is Salton Sea Power Gen Co - Unit 4?
Salton Sea Power Gen Co - Unit 4 is in Imperial County, California, at 33.1570, −115.6386. It is in the Imperial Irrigation District balancing area (IID).
Who operates Salton Sea Power Gen Co - Unit 4?
EIA-860M for August 2026 lists CalEnergy Operating Corporation as the operator (EIA operator ID 49899). The operator is not always the owner.
When did Salton Sea Power Gen Co - Unit 4 start operating?
Its first generator began operating in May 1996, 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