400 MW BESS operating in San Joaquin, CA — California Independent System Operator
400 MW
Nameplate Capacity
2
Generators
units
Batteries
Technology
2025
Operating Since
Coordinates
37.7098, -121.5553
County
San Joaquin, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Kola Energy Storage, LLC | — | — |
| Owner(s) | Kola Energy Storage, LLC | — | — |
| Status | Operating | — | — |
The Kola Energy Center is a 400 MW battery energy storage system (BESS) located in San Joaquin County, California. The facility, which began operating in 2025, is owned and operated by Kola Energy Storage, LLC. It consists of two generators utilizing battery technology with a duration of 4 hours. The primary fuel source is electricity (MWH) used to charge the batteries.
Kola Energy Center operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. The plant is ranked as the 14th largest of 112 facilities in California and 91st nationally out of 514. Financial data indicates a power purchase agreement (PPA) price of $15.08 per MWh, as reported in FERC Electric Quarterly Reports (EQR).
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
−3.9K MWh
Net Charging
—
Annual Net Energy
—
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.
$15.1/MWh
PPA Price
Kola Energy Storage, LLC
Contract Seller
Point of Interconnection
Nearest Substation
Tesla Substation · 500 kV
Substation Distance
0.944 km
Operator
Pacific Gas and Electric Company
Coord Source
OSM spatial
Market Position
ISO/RTO Market
CAISO
LMP Node
ELLIS_6_N001
Pricing Hub
TH_NP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
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Last updated 2026-03-14
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