290.4 MW Batteries (136 MW) + Solar Photovoltaic (154 MW) operating in Kern, CA — California Independent System Operator
290.4 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2022
Operating Since
Coordinates
34.9640, -118.0941
County
Kern, CA
Nearby Plants
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 | Terra-Gen Operating Co-Hybrid | Terra-Gen | — |
| Owner(s) | EdSan 1B Group 1 Sanborn, LLC | Terra-Gen [100%] | — |
| Status | Operating | operating | — |
GEM identifies the owner as Terra-Gen [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
Edwards Sanborn E1B is a hybrid power plant located in Kern County, California. The plant, which came online in 2022, has a total capacity of 290.4 MW and is operated by Terra-Gen Operating Co-Hybrid. It utilizes both solar photovoltaic technology with single-axis tracking and battery energy storage. The battery energy storage system (BESS) has a capacity of 136 MWh and a duration of 1 hour, using lithium-ion battery chemistry (LIB). The plant is connected to the California Independent System Operator (CAISO) balancing authority within the Western Electricity Coordinating Council (WECC) NERC region.
The plant's primary fuel source is electricity (MWH), reflecting its hybrid nature. In its most recent year of operation, Edwards Sanborn E1B generated 354,722 MWh, resulting in a capacity factor of 13.9%. The facility consists of two generators. Edwards Sanborn E1B ranks as the 39th largest power plant out of 112 in California and 171st out of 514 nationally. Financial data for the plant is available from sources such as Lawrence Berkeley National Laboratory (LBNL) solar energy research.
Generated from EIA, GEM, and public data sources
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
230 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
15.0K MWh
Latest Month
354.7K MWh
Annual Generation
13.9%
Capacity Factor
$26.3/MWh
LCOE (Levelized Cost)
$10.0/MWh
Energy Value
Market Position
ISO/RTO Market
CAISO
LMP Node
—
Pricing Hub
TH_SP15_GEN-APND
Node Source
Shared substation inference