10 MW BESS operating in Santa Barbara, CA — California Independent System Operator
10 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2021
Operating Since
Coordinates
34.4071, -119.5115
County
Santa Barbara, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Viridity Energy Solutions, Inc. | — | — |
| Owner(s) | Viridity Energy Solutions, Inc. | — | — |
| Status | Operating | — | — |
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
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
−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.
No financial data available for this plant.
Market Position
ISO/RTO Market
CAISO
LMP Node
—
Pricing Hub
TH_SP15_GEN-APND
Node Source
Shared substation inference
Last updated 2026-03-26
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