1 MW BESS operating in Napa, CA — California Independent System Operator
1 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2020
Operating Since
Coordinates
38.5700, -122.4440
County
Napa, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | ENGIE Storage Services NA LLC | — | — |
| Owner(s) | ENGIE Storage Services NA LLC | — | — |
| Status | Operating | — | — |
Pacific Union College BESS is a 1 MW battery energy storage system located in Napa County, California. The plant began operating in 2020 and has one generator. It is owned and operated by ENGIE Storage Services NA LLC. The facility utilizes lithium-ion batteries (LIB) and has a total storage capacity of 2 MWh, providing a duration of 2 hours at full output.
The plant's primary fuel is electricity (MWH), indicating it charges from the grid. Pacific Union College BESS operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. In terms of size, the plant is ranked 300 out of 300 utility-scale power plants in California, and 1194 out of 1205 nationally.
Generated from EIA, GEM, and public data sources
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
15 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
Commercial Non-CHP
−5 MWh
Net Charging
-85 MWh
Annual Net Energy
-1.0%
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.
Point of Interconnection
Nearest Substation
Saint Helena Substation · 115 kV
Substation Distance
< 10 km
Operator
Pacific Gas and Electric Company
Coord Source
OSM spatial
Market Position
ISO/RTO Market
CAISO
LMP Node
—
Pricing Hub
TH_NP15_GEN-APND
Node Source
OSM spatial match
Substation identified. Node ID not yet resolved against ISO roster.