Vallecito — Plant Summary
- EIA Plant ID
- 62801
- Capacity
- 10 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries
- Status
- Operating
- Location
- Santa Barbara, CA
- Operating Since
- 2021
- Generators
- 1
- Operator
- Viridity Energy Solutions, Inc.
- Parent Company
- —
- Annual Generation
- -2,066 MWh
- Capacity Factor
- -2.4%
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
Vallecito
OperatingBESS
Ranked #128 of 191 BESS plants in CA#525 of 837 nationally
10 MW BESS operating in Santa Barbara, CA — California Independent System Operator
EIAWD
10 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2021
Operating Since
Location
Coordinates
34.4071, -119.5115
County
Santa Barbara, CA
Nearby Plants
- Painter Energy StorageBESS10 MW · 0.5 km
- FLEX GibraltarNatural Gas1.5 MW · 20.4 km
- CA-Ventura County CCD-Ventura CollegeSolar2.5 MW · 29.7 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Viridity Energy Solutions, Inc. | — | — |
| Owner(s) | Viridity Energy Solutions, Inc. | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Vallecito is a 10 MW battery energy storage system (BESS) located in Santa Barbara County, California. The plant, which began operating in 2021, is owned and operated by Viridity Energy Solutions, Inc. It utilizes lithium-ion (LIB) battery chemistry and has a total storage capacity of 10 MWh, providing a duration of 1 hour at full power. The facility consists of a single generator.
Vallecito is interconnected to the California Independent System Operator (CAISO) balancing authority and operates within the Western Electricity Coordinating Council (WECC) NERC region. As of the latest rankings, the plant is the 204th largest in California out of 300, and 789th nationally out of 1205. The plant's primary fuel is listed as MWH, reflecting its role as a storage facility rather than a generator of electricity.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
34.5 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
−143 MWh
Net Charging
-2.1K MWh
Annual Net Energy
-2.4%
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
MEDIUM confidenceMarket Position
ISO/RTO Market
CAISO
LMP Node
—
Pricing Hub
TH_SP15_GEN-APND
Node Source
Shared substation inference
GOLETA_6_N200Nearby ISO Node
News & Articles (10)Beta
Hazards·wildfire
TCU September Lightning Complex: Crews begin surveying damage caused by lightning-sparked fires
Crews appear to be making progress in extinguishing a series of lightning-sparked fires as they begin to assess damage in the burn area,...
KCRA·6 months ago
Hazards·wildfire
Wildfire burns into historic California Gold Rush town of Chinese Camp
Wildfire in Northern California has scorched more than 12000 acres as of Wednesday morning, burning homes in the Gold Rush town of Chinese...
Los Angeles Times·6 months ago
Deals·m and a
New York company acquires Vallecitos Nuclear Center in Sunol
A demolition and wrecking contractor based in New York has recently acquired a local nuclear center in Sunol and is planning on decontaminating and restoring...
Vallecitos Nuclear Center (seller)
Pleasanton Weekly·1 years ago
Industry·corporate
Vallecitos reactor removal complete
Nearly 60 years after shutting down for the last time, the reactor vessel of the prototype boiling water reactor in California has been...
Vallecitos (operator)
World Nuclear News·2 years ago
Last updated 2026-03-26
View all 10 articles