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25 MW BESS operating in Lake, CA — California Independent System Operator
25 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2024
Operating Since
Coordinates
38.7881, -122.7218
County
Lake, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | West Ford Flat Energy Storage | — | — |
| Owner(s) | West Ford Flat Energy Storage | — | — |
| Status | Operating | — | — |
West Ford Flat is a 25 MW battery energy storage system (BESS) located in Lake County, California. The plant, owned and operated by West Ford Flat Energy Storage, began operating in 2024. It consists of a single generator utilizing lithium-ion battery (LIB) technology. The plant's storage capacity is 27.4 MWh, providing a duration of approximately 1.1 hours.
The facility connects to the California Independent System Operator (CAISO) balancing authority within the Western Electricity Coordinating Council (WECC) NERC region. West Ford Flat is ranked as the 176th largest power plant in California out of 300, and 665th nationally out of 1205. The plant's primary fuel source is electricity (MWH).
Generated from EIA, GEM, and public data sources
ISO/RTO
CAISO
Market
ISO/RTO Member
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
−361 MWh
Net Charging
-4.2K 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.
2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $34.0M
Market Position
ISO/RTO Market
CAISO
LMP Node
SMUDGEO1_2_N006
Pricing Hub
TH_NP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
Last updated 2026-03-14
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ask pi about West Ford FlatCalifornia Independent System Operator (CISO)
Grid Voltage
230.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP