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5.5 MW Batteries (1 MW) + Solar Photovoltaic (5 MW) operating in San Joaquin, CA — California Independent System Operator
5.5 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2022
Operating Since
Coordinates
37.9785, -121.3138
County
San Joaquin, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | The Greater Light USA LLC | The Greater Light USA | — |
| Owner(s) | The Greater Light USA LLC | — | — |
| Status | Operating | operating | — |
The University of the Pacific plant, located in San Joaquin County, California, is a hybrid power plant owned and operated by The Greater Light USA LLC. The plant began operating in 2022 and has a total capacity of 5.5 MW. It utilizes both solar photovoltaic and battery storage technologies, with two generators on site. The battery energy storage system (BESS) has a capacity of 2.2 MWh and a duration of 2.2 hours, using lithium-ion battery chemistry (LIB). The solar array employs a fixed-tilt tracking system.
The plant's primary fuel source is listed as "MWH," which likely refers to the electricity used to charge the batteries. In its latest year of operation, the plant generated 6,455 MWh, resulting in a capacity factor of 13.4%. The University of the Pacific plant operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. It is ranked 221st out of 300 power plants in California and 947th out of 1205 nationally.
Generated from EIA, GEM, and public data sources
ISO/RTO
CAISO
Market
ISO/RTO Member
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
California Independent System Operator (CISO)
Grid Voltage
4.16 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
202 MWh
Latest Month
6.5K MWh
Annual Generation
13.4%
Capacity Factor
Data from 2023–2024
$25.4/MWh
Energy Value
$15.0/MWh
Capacity Value
Market Position
ISO/RTO Market
CAISO
LMP Node
CNTRYCB_6_N001
Pricing Hub
TH_NP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
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