Ormesa I
Geothermal power plant in Imperial County, California. 19 MW of nameplate capacity across 2 generators, operated by Ormat Nevada Inc.
Also known as EIA plant 50766
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Key facts
- Capacity
- 19 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- June 2003First generator online
- Operator
- Ormat Nevada IncEIA operator ID 34691
- Grid
- IIDBalancing authority IID
- Price nodes
- None linkedNo verified ISO node
- Location
- Imperial County, CA32.8156, −115.2568
- EIA plant ID
- 50766EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Ormesa I produces
Free · EIA-923Net generation, 2025
66.4 GWh
66,412 MWh, final
Capacity factor, 2025
Not reported
2024: 33.3%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
64.1–109.9
GWh a year. Low 2017, high 2021
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | 115,362 | Not reported | 12 of 12 |
| 2002 | 124,062 | Not reported | 12 of 12 |
| 2003 | 125,624 | Not reported | 12 of 12 |
| 2004 | 133,216 | Not reported | 12 of 12 |
| 2005 | 125,670 | Not reported | 12 of 12 |
| 2006 | 129,436 | Not reported | 12 of 12 |
| 2007 | 131,410 | Not reported | 12 of 12 |
| 2008 | 120,599 | Not reported | 12 of 12 |
| 2009 | 129,485 | Not reported | 12 of 12 |
| 2010 | 92,827 | 34.0% | 12 of 12 |
| 2011 | 94,577 | 34.6% | 12 of 12 |
| 2012 | 89 | Not reported | 12 of 12 |
| 2013 | 84,783 | 36.7% | 12 of 12 |
| 2014 | 79,904 | 34.6% | 12 of 12 |
| 2015 | 70,162 | 30.3% | 12 of 12 |
| 2016 | 66,045 | 28.5% | 12 of 12 |
| 2017 | 64,101 | 27.7% | 12 of 12 |
| 2018 | 83,024 | 35.9% | 12 of 12 |
| 2019 | 64,698 | 28.0% | 12 of 12 |
| 2020 | 98,652 | Not reported | 12 of 12 |
| 2021 | 109,889 | 47.5% | 12 of 12 |
| 2022 | 105,697 | 45.7% | 12 of 12 |
| 2023 | 101,667 | 44.0% | 12 of 12 |
| 2024 | 70,228 | 33.3% | 12 of 12 |
| 2025 | 66,412 | Not reported | 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 |
|---|---|---|---|
| ITLU1 | Geothermal | 12.0 | June 2003 |
| OEC2A | Geothermal | 7.0 | February 2025 |
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 Ormat Nevada 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 Ormesa I
More plants operated by Ormat Nevada Inc
Questions about Ormesa I
How much power does Ormesa I produce?
Ormesa I reported 66,412 MWh (66.4 GWh) of net generation in 2025.
Where is Ormesa I?
Ormesa I is in Imperial County, California, at 32.8156, −115.2568. It is in the Imperial Irrigation District balancing area (IID).
Who operates Ormesa I?
EIA-860M for August 2026 lists Ormat Nevada Inc as the operator (EIA operator ID 34691). The operator is not always the owner.
When did Ormesa I start operating?
Its first generator began operating in June 2003, 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