169 MW BESS operating in Kern, CA — California Independent System Operator
169 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2023
Operating Since
Coordinates
35.0270, -118.1395
County
Kern, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Terra-Gen Operating Co-BESS | — | — |
| Owner(s) | EdSan 1B Group 3, LLC | — | — |
| Status | Operating | — | — |
Sanborn BESS 3 is a battery energy storage system located in Kern County, California. The plant has a total capacity of 169 MW and utilizes batteries as its primary fuel source, specifically lithium-ion batteries (LIB). It consists of a single generator and has a total storage capacity of 676 MWh, providing a duration of 4 hours at full output. The facility began operating in 2023 and is owned and operated by Terra-Gen Operating Co-BESS.
The plant operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Sanborn BESS 3 ranks as the 77th largest power plant in California out of 112, and nationally it ranks 358th out of 514.
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
−2.6K MWh
Net Charging
-32.9K MWh
Annual Net Energy
-2.2%
Capacity Factor
Positive values indicate net discharge (generation exceeds station load). Negative values indicate net charging. Pure battery storage plants are typically net negative due to round-trip efficiency losses.
No financial data available for this plant.
Market Position
ISO/RTO Market
CAISO
LMP Node
—
Pricing Hub
TH_SP15_GEN-APND
Node Source
Shared substation inference
Last updated 2026-03-26
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