Heber Geothermal — Plant Summary
- EIA Plant ID
- 54689
- Capacity
- 91.5 MW
- Primary Fuel
- Geothermal
- Technology
- Geothermal
- Status
- Operating
- Location
- Imperial, CA
- Operating Since
- 2006
- Generators
- 5
- Operator
- ORCAL Geothermal, Inc
- Parent Company
- —
- Annual Generation
- 384,859 MWh
- Capacity Factor
- 47.9%
- Balancing Authority
- Imperial Irrigation District
- ISO/RTO
- —
- NERC Region
- WECC
Heber Geothermal
OperatingGeothermal
Ranked #6 of 33 Geothermal plants in CA#9 of 70 nationally
91.5 MW Geothermal operating in Imperial, CA — Imperial Irrigation District
EIAGEMWD
91.5 MW
Nameplate Capacity
5
Generators
units
Geothermal
Technology
2006
Operating Since
Location
Coordinates
32.7146, -115.5180
County
Imperial, CA
Nearby Plants
- Second Imperial GeothermalGeothermal74.5 MW · 1.6 km
- Heber SolarSolar10.9 MW · 2.1 km
- Mount Signal Solar Farm VSolar252.3 MW · 6.9 km
Ownership & Operator
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | ORCAL Geothermal, Inc | ORCAL Geothermal | — |
| Owner(s) | Ormat Nevada Inc | Ormat Technology Inc [100%] | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as Ormat Technology Inc [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
About
Heber Geothermal is a 91.5 MW geothermal power plant located in Imperial County, California. The plant, which began operating in 2006, is owned and operated by ORCAL Geothermal, Inc. It consists of 5 generators utilizing geothermal technology and is interconnected with the Imperial Irrigation District balancing authority in the Western Electricity Coordinating Council (WECC) region.
In the most recent year of reported data, Heber Geothermal generated 384,859 MWh of electricity, achieving a capacity factor of 47.9%. The plant is a significant geothermal energy producer, ranking 6th out of 33 geothermal plants in California and 9th out of 70 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
37.1K MWh
Latest Month
384.9K MWh
Annual Generation
47.9%
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 (10)Beta
General
Officials sign landmark energy deal that will serve millions of US residents: 'Supports long-term energy security'
Ormat Technologies has signed a 25-year extension with the Southern California Public Power Authority to continue supplying renewable...
The Cool Down·5 months ago
General
Officials sign landmark energy deal that will serve millions of US residents: 'Supports long-term energy security'
Ormat Technologies has signed a 25-year extension with the Southern California Public Power Authority to continue supplying renewable...
The Cool Down·5 months ago
General
Officials sign landmark energy deal that will serve millions of US residents: 'Supports long-term energy security'
Ormat Technologies has signed a 25-year extension with the Southern California Public Power Authority to continue supplying renewable...
The Cool Down·5 months ago
General
Officials sign landmark energy deal that will serve millions of US residents: 'Supports long-term energy security'
Ormat Technologies has signed a 25-year extension with the Southern California Public Power Authority to continue supplying renewable...
The Cool Down·5 months ago
Last updated 2026-03-26
View all 10 articles