Second Imperial Geothermal
Geothermal power plant in Imperial County, California. 74.5 MW of nameplate capacity across 4 generators, operated by ORCAL Geothermal, Inc.
Also known as Heber 2 Geothermal Plant · EIA plant 54111
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 74.5 MWNameplate
- Generators
- 4 operatingEIA-860M, August 2026
- Operating since
- January 2006First generator online
- Operator
- ORCAL Geothermal, IncEIA operator ID 49748
- Grid
- IIDBalancing authority IID
- Price nodes
- None linkedNo verified ISO node
- Location
- Imperial County, CA32.7144, −115.5356
- EIA plant ID
- 54111EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Second Imperial Geothermal produces
Free · EIA-923Net generation, 2025
275 GWh
275,195 MWh, final
Capacity factor, 2025
42.2%
2024: 46.2%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
142.8–326.6
GWh a year. Low 2022, high 2023
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | 321,470 | Not reported | 12 of 12 |
| 2002 | 319,885 | Not reported | 12 of 12 |
| 2003 | 331,509 | Not reported | 12 of 12 |
| 2004 | 297,975 | Not reported | 12 of 12 |
| 2005 | 287,663 | Not reported | 12 of 12 |
| 2006 | 298,564 | Not reported | 12 of 12 |
| 2007 | 317,047 | Not reported | 12 of 12 |
| 2008 | 314,278 | Not reported | 12 of 12 |
| 2009 | 253,267 | Not reported | 12 of 12 |
| 2010 | 242,525 | 43.3% | 12 of 12 |
| 2011 | 251,810 | 44.9% | 12 of 12 |
| 2012 | 243,285 | 34.6% | 12 of 12 |
| 2013 | 222,882 | 31.8% | 12 of 12 |
| 2014 | 226,191 | 32.3% | 12 of 12 |
| 2015 | 204,689 | 29.2% | 12 of 12 |
| 2016 | 165,507 | 23.6% | 12 of 12 |
| 2017 | 144,302 | 20.6% | 12 of 12 |
| 2018 | 226,700 | 32.3% | 12 of 12 |
| 2019 | 216,998 | 31.0% | 12 of 12 |
| 2020 | 205,217 | 29.2% | 12 of 12 |
| 2021 | 187,304 | 26.7% | 12 of 12 |
| 2022 | 142,796 | Not reported | 12 of 12 |
| 2023 | 326,579 | 50.0% | 12 of 12 |
| 2024 | 302,329 | 46.2% | 12 of 12 |
| 2025 | 275,195 | 42.2% | 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 |
|---|---|---|---|
| GE13 | Geothermal | 16.0 | January 2006 |
| GEN14 | Geothermal | 16.0 | April 2008 |
| OEC1 | Geothermal | 26.5 | November 2022 |
| OEC2 | Geothermal | 16.0 | November 2022 |
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 ORCAL Geothermal, 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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Power plants near Second Imperial Geothermal
More plants operated by ORCAL Geothermal, Inc
Questions about Second Imperial Geothermal
How much power does Second Imperial Geothermal produce?
Second Imperial Geothermal reported 275,195 MWh (275 GWh) of net generation in 2025, a 42.2% capacity factor on 74.5 MW of nameplate capacity.
Where is Second Imperial Geothermal?
Second Imperial Geothermal is in Imperial County, California, at 32.7144, −115.5356. It is in the Imperial Irrigation District balancing area (IID).
Who operates Second Imperial Geothermal?
EIA-860M for August 2026 lists ORCAL Geothermal, Inc as the operator (EIA operator ID 49748). The operator is not always the owner.
When did Second Imperial Geothermal start operating?
Its first generator began operating in January 2006, 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