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1.2 MW Batteries (1 MW) + Solar Photovoltaic (1 MW) operating in Contra Costa, CA — California Independent System Operator
1.2 MW
Nameplate Capacity
3
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2025
Operating Since
Coordinates
37.7754, -121.9613
County
Contra Costa, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Alcosta Boulevard BR 15-AA Solar Project 2020 LLC | — | — |
| Owner(s) | Alcosta Boulevard BR 15-AA Solar Project 2020 LLC | — | — |
| Status | Operating | operating | — |
Bishop Ranch - BR 15-AA is a 1.2 MW hybrid power plant located in Contra Costa County, California. The plant, which came online in 2025, is owned and operated by Alcosta Boulevard BR 15-AA Solar Project 2020 LLC. The primary fuel source is solar, utilizing solar photovoltaic technology. The facility also incorporates batteries for energy storage, with a battery energy storage system (BESS) duration of 2.2 hours. The solar panels are mounted with a fixed tilt.
The plant consists of 3 generators and operates within the California Independent System Operator (CAISO) balancing authority, falling under the Western Electricity Coordinating Council (WECC) NERC region. In terms of size, Bishop Ranch - BR 15-AA ranks as the 725th largest power plant in California out of 862, and nationally it is ranked 6188 out of 7108.
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: $1.6M
Market Position
ISO/RTO Market
CAISO
LMP Node
SANRAMON_2_N024
Pricing Hub
TH_NP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
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No ask pi reports yet for this entity.
ask pi about Bishop Ranch - BR 15-AACalifornia Independent System Operator (CISO)
Grid Voltage
0.48 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP