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30 MW BESS operating in Imperial, CA — California Independent System Operator
30 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2024
Operating Since
Coordinates
32.8134, -115.3887
County
Imperial, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Greenbacker Renewable Energy Corporation | — | — |
| Owner(s) | Greenbacker Renewable Energy Corporation | — | — |
| Status | Operating | — | — |
The Holtville energy storage plant is located in Imperial County, California. The facility has a total capacity of 30 MW and began operating in 2024. It is owned and operated by Greenbacker Renewable Energy Corporation. The plant utilizes batteries as its primary fuel source and is comprised of one generator.
The Holtville plant uses lithium-ion batteries (LIB) to provide 127 MWh of energy storage, equivalent to a duration of approximately 4.23 hours. The plant operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Holtville is ranked as the 173rd largest power plant in California out of 300, and 656th 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
−118 MWh
Net Charging
-3.0K MWh
Annual Net Energy
-1.3%
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.
2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $40.8M
Market Position
ISO/RTO Market
CAISO
LMP Node
—
Pricing Hub
TH_SP15_GEN-APND
Node Source
OSM spatial match
Last updated 2026-03-26
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ask pi about HoltvilleCalifornia Independent System Operator (CISO)
Grid Voltage
35.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP