Bottleneck Energy Storage — Plant Summary
- EIA Plant ID
- 66757
- Capacity
- 80 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries
- Status
- Operating
- Location
- Tulare, CA
- Operating Since
- 2024
- Generators
- 1
- Operator
- VESI 12 LLC
- Parent Company
- —
- Annual Generation
- -13,392 MWh
- Capacity Factor
- -1.9%
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
Bottleneck Energy Storage
OperatingBESS
Ranked #71 of 191 BESS plants in CA#353 of 837 nationally
80 MW BESS operating in Tulare, CA — California Independent System Operator
EIA
80 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2024
Operating Since
Location
Coordinates
35.8384, -119.0884
County
Tulare, CA
Nearby Plants
- Rexford Solar FarmBESS540 MW · 0.6 km
- CED Ducor 2Solar20 MW · 2.1 km
- CED Ducor 1Solar20 MW · 2.6 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | VESI 12 LLC | — | — |
| Owner(s) | VESI 12 LLC | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Bottleneck Energy Storage is an 80 MW battery energy storage system located in Tulare County, California. The plant, which began operating in 2024, is owned and operated by VESI 12 LLC. It utilizes lithium-ion battery (LIB) technology and has a total storage capacity of 320 MWh, providing a duration of 4 hours at full output. The plant's primary fuel is listed as MWH, indicating it draws power from the grid to charge its batteries.
Bottleneck Energy Storage operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. It ranks as the 130th largest power plant in California out of 300, and 543rd nationally out of 1205. The facility consists of a single generator.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
66 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
−863 MWh
Net Charging
-13.4K MWh
Annual Net Energy
-1.9%
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.
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Vestal Substation · 220 kV
Substation Distance
0.565 km
Operator
Southern California Edison
Coord Source
OSM spatial
Market Position
ISO/RTO Market
CAISO
LMP Node
REXFRD_2_RSFBX2-APND
Pricing Hub
TH_ZP26_GEN-APND
Location Type
Aggregated Node
Node Source
Curated node match
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