Search
Search plants, projects, owners, and states
Search plants, projects, owners, and states
60 MW Batteries (19 MW) + Solar Photovoltaic (41 MW) operating in Kern, CA — California Independent System Operator
60 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2022
Operating Since
Coordinates
35.0125, -118.1193
County
Kern, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Terra-Gen Operating Co-Hybrid | Terra-Gen | — |
| Owner(s) | EdSan 1B Group 1 Sanborn, LLC | Terra-Gen | — |
| Status | Operating | operating | — |
GEM identifies the owner as Terra-Gen
This entity is not yet in the GEM ownership database — chain unavailable.
Edwards Sanborn S4 is a hybrid power plant located in Kern County, California. The plant, which came online in 2022, has a total capacity of 60 MW and is operated by Terra-Gen Operating Co-Hybrid. It combines solar photovoltaic generation with battery energy storage. The facility utilizes single-axis trackers for its solar panels. The battery energy storage system (BESS) has a capacity of 18.8 MWh, providing one hour of duration, and employs lithium-ion battery chemistry (LIB). The plant operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region.
The plant's latest annual generation was 88,865 MWh, resulting in a capacity factor of 16.9%. Edwards Sanborn S4 is ranked as the 144th largest power plant in California out of 300, and 585th nationally out of 1205. Financial data is available for the plant from LBNL, suggesting the plant's economics are tracked by the U.S. Department of Energy. The plant consists of 2 generators and its primary fuel type is listed as MWH, indicating it is a hybrid facility.
Generated from EIA, GEM, and public data sources
ISO/RTO
CAISO
Market
ISO/RTO Member
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
2.5K MWh
Latest Month
88.9K MWh
Annual Generation
16.9%
Capacity Factor
Data from 2022–2024
$9.9/MWh
Energy Value
$9.5/MWh
Capacity Value
Market Position
ISO/RTO Market
CAISO
LMP Node
—
Pricing Hub
TH_SP15_GEN-APND
Node Source
Shared substation inference
No news articles linked yet for this plant.
News enrichment runs on demand — we have the pipeline, we just haven't fetched coverage for this plant yet. Request a detailed re-run and we'll add it.
No ask pi reports yet for this entity.
ask pi about Edwards Sanborn S4California Independent System Operator (CISO)
Grid Voltage
230.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP