Ormesa I — Plant Summary
- EIA Plant ID
- 50766
- Capacity
- 24 MW
- Primary Fuel
- Geothermal
- Technology
- Geothermal
- Status
- Operating
- Location
- Imperial, CA
- Operating Since
- 2003
- Generators
- 2
- Operator
- Ormat Nevada Inc
- Parent Company
- —
- Annual Generation
- 70,228 MWh
- Capacity Factor
- 33.3%
- Balancing Authority
- Imperial Irrigation District
- ISO/RTO
- —
- NERC Region
- WECC
Ormesa I
OperatingGeothermal
Ranked #24 of 33 Geothermal plants in CA#49 of 70 nationally
24 MW Geothermal operating in Imperial, CA — Imperial Irrigation District
EIAWD
24 MW
Nameplate Capacity
2
Generators
units
Geothermal
Technology
2003
Operating Since
Location
Coordinates
32.8156, -115.2568
County
Imperial, CA
Nearby Plants
- Vikings Energy FarmBESS286.8 MW · 1.9 km
- Ormesa IIGeothermal24 MW · 3.3 km
- Ormesa IIIGeothermal45.6 MW · 4.5 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Ormat Nevada Inc | — | — |
| Owner(s) | Ormat Nevada Inc | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
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
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Imperial Irrigation District
Grid Voltage
92 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
7.4K MWh
Latest Month
70.2K MWh
Annual Generation
33.3%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (5)Beta
Deals·ppa
Ormat extends 25-year power agreement with California authorities
RENO, Nev.- Ormat Technologies, Inc. (NYSE:ORA), a $5.8 billion renewable energy company currently trading near its 52-week high,...
Ormat Technologies, Inc. (seller)California authorities (buyer)
The Desert Review·7 months ago
Regulatory·permitting
US Interior Department Fast-Tracks Geothermal Projects
The emergency permitting rules aim to accelerate geothermal energy development. Ormat Technologies' three Nevada projects will be the first...
US Interior Department (regulator)Ormat Technologies (developer)
SPE·9 months ago
Hazards·flooding
Freak Weather Downs Over 50 Power Poles East of Holtville
Nearly a mile and a half of transmission poles were downed within the last week due to a freak weather incident that took place during an isolated rainstorm...
Calexico Chronicle·1 years ago
Industry·technology
Pumped geothermal power projects – a global overview
Geothermal pumped-well power projects are a growing niche within the larger geothermal industry, contributing approximately 1000 MWe of installed generating...
GeoExpro·2 years ago
Last updated 2026-03-26
View all 5 articles