Wister Solar — Plant Summary
- EIA Plant ID
- 63487
- Capacity
- 20 MW
- Primary Fuel
- Solar
- Technology
- Solar Photovoltaic
- Status
- Operating
- Location
- Imperial, CA
- Operating Since
- 2022
- Generators
- 1
- Operator
- Wister Solar
- Parent Company
- —
- Annual Generation
- 28,193 MWh
- Capacity Factor
- 16.0%
- Balancing Authority
- Imperial Irrigation District
- ISO/RTO
- —
- NERC Region
- WECC
Wister Solar
OperatingSolar
Ranked #227 of 963 Solar plants in CA#1637 of 7447 nationally
20 MW Solar operating in Imperial, CA — Imperial Irrigation District
EIAGEMWD
20 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2022
Operating Since
Location
Coordinates
33.2738, -115.5054
County
Imperial, CA
Nearby Plants
- Imperial Valley Solar Co (IVSC) 2, LLCSolar20 MW · 2.5 km
- Imperial Valley Solar Company 1 LLCSolar23 MW · 3.2 km
- Niland Gas Turbine PlantNatural Gas121 MW · 3.5 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 | Wister Solar | Ormat Technology | — |
| Owner(s) | Wister Solar | 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
Wister Solar is a 20 MW solar photovoltaic power plant located in Imperial County, California. The plant began operating in 2022 and has one generator. It is owned and operated by Wister Solar. The primary fuel source is solar energy. Wister Solar ranks as the 160th largest solar plant in California out of 862, and 1473rd nationally out of 7108. The plant operates within the Imperial Irrigation District balancing authority and the Western Electricity Coordinating Council (WECC) NERC region.
In its most recent year of operation, Wister Solar generated 28,193 MWh of electricity, achieving a capacity factor of 16.0%. The solar panels utilize a fixed-tilt tracking system. Financial data is available for the plant from LBNL, though specific figures are not provided.
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
2.5K MWh
Latest Month
28.2K MWh
Annual Generation
16.0%
Capacity Factor
Financial DataBeta
Source: LBNL Utility-Scale SolarHIGH
$44.7/MWh
LCOE (Levelized Cost)
$11.4/MWh
Energy Value
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (4)Beta
Deals·ppa
Ormat extends PPA with SCPPA for Heber 1 geothermal facility until 2052
Ormat Technologies has signed an extension for its existing PPA with the SCPPA for 52MW of energy from the Ormat Heber 1 geothermal...
Ormat Technologies (seller)SCPPA (buyer)
Power Technology·7 months ago
Industry·corporate
COPS BRIEFS: Man found dead
EL CENTRO. Man found dead. A 51-year-old man was found dead on Tuesday morning on West Broadway Avenue. Imperial County Sheriff's Office...
Imperial Valley Press Online·8 months ago
Industry·corporate
Commercial operation starts at Casa Diablo-IV geothermal plant, California
The Casa Diablo IV geothermal power plant adds 30 MW of geothermal capacity to Ormat's portfolio and is the first Ormat project to sell power to a Community...
Ormat (developer)
ThinkGeoEnergy·3 years ago
Regulatory·permitting
County Approves Niland-area Wister Solar Project
The county Board of Supervisors voted unanimously in favor of the Wister Solar Energy Facility Project, a 20-megawatt solar energy project.
Calexico Chronicle·5 years ago
Last updated 2026-03-14
View all articles