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24 MW Geothermal operating in Imperial, CA — Imperial Irrigation District
24 MW
Nameplate Capacity
2
Generators
units
Geothermal
Technology
2003
Operating Since
Coordinates
32.8156, -115.2568
County
Imperial, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Ormat Nevada Inc | — | — |
| Owner(s) | Ormat Nevada Inc | — | — |
| Status | Operating | — | — |
Ormesa I is a 24 MW geothermal power plant located in Imperial County, California. The plant, which began operating in 2003, is owned and operated by Ormat Nevada Inc. It consists of two generators utilizing geothermal technology and its primary fuel source is geothermal energy (GEO). Ormesa I is connected to the Imperial Irrigation District balancing authority within the Western Electricity Coordinating Council (WECC) NERC region.
In the most recent year with available data, Ormesa I generated 70,228 MWh of electricity, achieving a capacity factor of 33.3%. The plant ranks 24th out of 33 power plants in California and 48th out of 70 geothermal plants nationally.
Generated from EIA, GEM, and public data sources
Grid Region
California (non-ISO)
Market
Bilateral Market
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
7.4K MWh
Latest Month
70.2K MWh
Annual Generation
33.3%
Capacity Factor
CO₂ Intensity
0 lb/MWh
NOx
0.000 lb/MWh
SO₂
2013
$2,851/kW
Est. Construction Cost
Total estimated cost: $68.4M
This plant is in a bilateral market territory without organized wholesale pricing. Nodal pricing data is not available.
Last updated 2026-03-26
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ask pi about Ormesa IImperial Irrigation District (IID)
Grid Voltage
92.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
0.000 lb/MWh
CH₄
—
N₂O
—
Capacity Factor
44.0%
Annual Net Gen
102 GWh
CO₂eq
0.000 lb/MWh
Subregion
WECC Southwest