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80 MW BESS under construction in Tulare, CA — California Independent System Operator
80 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
—
Operating Since
Coordinates
36.3508, -119.3735
County
Tulare, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | VESI 15 LLC | — | — |
| Owner(s) | VESI 15 LLC | — | — |
| Status | Under construction | — | — |
Shirk Energy Storage is a battery energy storage system located in Tulare County, California. The plant has a total capacity of 80 MW and consists of a single generator. It is owned and operated by VESI 15 LLC. The primary fuel source for the plant is electricity (MWH), which it uses to charge its batteries.
The plant operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Shirk Energy Storage ranks as the 128th largest power plant in California out of 300, and 540th nationally out of 1205.
Generated from EIA, GEM, and public data sources
ISO/RTO
CAISO
Market
ISO/RTO Member
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
No generation data available for this plant.
2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $108.9M
Point of Interconnection
Nearest Substation
Oak Grove Substation · 66 kV
Substation Distance
< 10 km
Operator
Southern California Edison
Coord Source
OSM spatial
Market Position
ISO/RTO Market
CAISO
LMP Node
—
Pricing Hub
TH_ZP26_GEN-APND
Node Source
OSM spatial match
Substation identified. Node ID not yet resolved against ISO roster.
Last updated 2026-03-14
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ask pi about Shirk Energy StorageCalifornia Independent System Operator (CISO)
Grid Voltage
66.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP