Ormesa III
3300 East Evan Hewes Highway, Holtville, CA 92250Plant Summary Information
Ormesa III is ranked #45 out of 63 geothermal power plants nationwide in terms of total annual net electricity generation.
Ormesa III is comprised of 3 generators and generated 21.6 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Ormesa III |
|---|---|
| Utility Name | Ormat Nevada Inc |
| Location | Imperial County, CA |
| Initial Operation Date | May 1989 |
| Last Update | Dec 2025 |
| Annual Generation | 77.3 GWh |
| Annual Consumption | 279.7 k MMBtu |
| Ranked #3,853 out of 13,301 Power Plants Nationwide | |
| Ranked #45 out of 63 Geothermal Power Plants Nationwide | |
| Ranked #389 out of 1,641 California Power Plants | |
| Ranked #23 out of 30 California Geothermal Power Plants | |
| Fuel Types | Geothermal |
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Monthly Net Generation for Ormesa III
Monthly Plant Fuel Consumption for Ormesa III
Ormesa III Details
| Summary Information | |
|---|---|
| Plant Name | Ormesa III (10763) |
| Plant Address | 3300 East Evan Hewes Highway, Holtville, CA 92250 |
| Utility | Ormat Nevada Inc (34691) |
| Latitude, Longitude | 32.7757, -115.2637 |
| Generation Dates on File | Jan 2001 to Dec 2025 |
| Initial Operation Date | May 1989 |
| Annual Generation | 77.3 GWh |
| Fuel Types | Geothermal |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | Yes |
| FERC Small Power Producer Docket Number | 88-202-009, 88-203-009 |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | WECC |
| Balancing Authority | Imperial Irrigation District (IID) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | Imperial Irrigation Water Dist |
| Ash Impoundment | |
| Transmission / Distribution Owner | Imperial Irrigation District (9216) CA |
| Grid Voltage | 92.00 kV |
| Energy Storage | No |
Generator GEN1 Details Out of Service May 1989
| Technology | Geothermal |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 21.6 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 14.4 MW |
| Winter Capacity | 21.6 MW |
| Minimum Load | 14.4 MW |
| Uprate/Derate Completed | No |
| Status | Out of Service |
|---|---|
| First Operation Date | May 1989 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Geothermal |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | OVER |
| Multiple Fuels | No |
Generator GBU Details Operating April 2007
| Technology | Geothermal |
|---|---|
| Prime Mover | Turbines Used in a Binary Cycle |
| Ownership | Single Owner |
| Nameplate Capacity | 8 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 5.3 MW |
| Winter Capacity | 8 MW |
| Minimum Load | 5.3 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | April 2007 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Geothermal |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | OVER |
| Multiple Fuels | No |
Generator OE301 Details Operating April 2020
| Technology | Geothermal |
|---|---|
| Prime Mover | Turbines Used in a Binary Cycle |
| Ownership | Single Owner |
| Nameplate Capacity | 16 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 10.7 MW |
| Winter Capacity | 16 MW |
| Minimum Load | 10.7 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | April 2020 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Geothermal |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | OVER |
| Multiple Fuels | No |
Ormesa III Plant Owners
| Owner Name | Address | Generator | Ownership | We couldn't locate any owners for this plant |
|---|
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Geothermal.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #35 | Don A Campbell 1 Geothermal | Gabbs, NV | 97.0 GWh |
| #36 | Richard Burdette Geothermal | Reno, NV | 88.8 GWh |
| #37 | Don A Campbell 2 Geothermal | Luning, NV | 88.6 GWh |
| #38 | Raft River Geothermal Power Plant | Malta, ID | 88.1 GWh |
| #39 | Mammoth G2 | Mammoth Lakes, CA | 83.8 GWh |
| #40 | Brady | Fallon, NV | 83.3 GWh |
| #41 | Aidlin Geothermal Power Plant | Middletown, CA | 82.4 GWh |
| #42 | Desert Peak Power Plant | Fernley, NV | 78.2 GWh |
| #43 | Patua Acquisition Project, LLC | Hazen, NV | 103.3 GWh |
| #44 | Galena 3 Geothermal Power Plant | Reno, NV | 77.9 GWh |
| #46 | Salton Sea Power Gen Co - Unit 1 | Calipatria, CA | 77.1 GWh |
| #47 | San Emidio | Gerlach, NV | 76.4 GWh |
| #48 | Mammoth G3 | Mammoth Lakes, CA | 75.3 GWh |
| #49 | Salton Sea Power Gen Co - Unit 2 | Calipatria, CA | 74.8 GWh |
| #50 | Lightning Dock Geothermal | Animas, NM | 72.9 GWh |
| #51 | Steamboat III | Reno, NV | 72.7 GWh |
| #52 | Ormesa I | Holtville, CA | 66.4 GWh |
| #53 | Salt Wells | Fallon, NV | 63.4 GWh |
| #54 | Steamboat II | Reno, NV | 62.1 GWh |
| #55 | Jersey Valley Geothermal Power Plant | Imlay, NV | 58.1 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Ormesa III.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Community Solar 1 | Brawley, CA | 15.1 GWh | 19.1 mi |
| Drop 1 | Holtville, CA | 9.0 GWh | 19.2 mi |
| Drop 2 (CA) | Holtville, CA | 26.7 GWh | 14.4 mi |
| Drop 3 (CA) | Holtville, CA | 15.3 GWh | 9.4 mi |
| Drop 4 | Holtville, CA | 74.9 GWh | 5.5 mi |
| Drop 5 (CA) | Calexico, CA | 5.6 GWh | 10.3 mi |
| East Highline | Holtville, CA | 2.8 GWh | 5.4 mi |
| El Centro Hybrid | El Centro, CA | 870.3 GWh | 16.2 mi |
| Heber Geothermal | Heber, CA | 376.3 GWh | 15.4 mi |
| Heber Solar | Heber, CA | 24.1 GWh | 16.7 mi |
| IVC Solar | Imperial, CA | 4.2 GWh | 14.6 mi |
| Mount Signal Solar Farm V | Calexico, CA | 631.7 GWh | 18.9 mi |
| Ormesa I | Holtville, CA | 66.4 GWh | 2.8 mi |
| Ormesa II | Holtville, CA | 124.5 GWh | 1.2 mi |
| Rockwood | Brawley, CA | 419.0 MWh | 20.1 mi |
| Second Imperial Geothermal | Heber, CA | 275.2 GWh | 16.4 mi |
| Sol Orchard El Centro PV | El Centro, CA | 45.1 GWh | 16.5 mi |
| Spreckels Sugar Company | Brawley, CA | 19.9 GWh | 20 mi |
| Valencia 3 | Imperial, CA | 4.2 GWh | 17.6 mi |
| Vikings Energy Farm | Holtville, CA | 287.4 GWh | 2 mi |