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80 MW BESS operating in Tulare, CA
80 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2026
Operating Since
Coordinates
36.3508, -119.3735
County
Tulare, CA
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | VESI 15 LLC | — | — |
| Owner(s) | VESI 15 LLC | — | — |
| Status | Operating | — | — |
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
California Independent System Operator (CISO)
Grid Voltage
66.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
No generation data available for this plant.
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2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $108.9M
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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.
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-03-14
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