Search
Search plants, projects, owners, and states
Search plants, projects, owners, and states
135 MW BESS planned in Ventura, CA — California Independent System Operator
135 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
Planned: —
Planned Operation
Coordinates
34.2809, -118.9030
County
Ventura, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Hecate Grid Gwent Storage 1, LLC | — | — |
| Owner(s) | Hecate Grid Gwent Storage 1, LLC | — | — |
| Status | Planned | — | — |
Hecate Grid Gwent Storage 1 is a 135 MW battery energy storage system located in Ventura County, California. The plant is owned and operated by Hecate Grid Gwent Storage 1, LLC. It consists of a single generator and utilizes MWH as its primary fuel source, indicating it draws power from the grid to charge its batteries. The facility operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region.
The plant is ranked as the 89th largest in California out of 112 facilities and 415th nationally out of 514. This ranking reflects its capacity relative to other power plants across the state and country. News reports indicate some industry interest in the plant.
Generated from EIA, GEM, and public data sources
ISO/RTO
CAISO
Market
ISO/RTO Member
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
No generation data available for this plant.
2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $183.7M
Point of Interconnection
Nearest Substation
Moorpark Substation · 220 kV
Substation Distance
0.261 km
Operator
Southern California Edison
Coord Source
OSM spatial
Market Position
ISO/RTO Market
CAISO
LMP Node
MOORPARK_6_N005
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
Last updated 2026-03-26
View all articlesNo ask pi reports yet for this entity.
ask pi about Hecate Grid Gwent Storage 1California Independent System Operator (CISO)
Grid Voltage
66.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP