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11.3 MW Batteries (8 MW) + Solar Photovoltaic (3 MW) operating in Los Angeles, CA — California Independent System Operator
11.3 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2020
Operating Since
Coordinates
34.7314, -118.1376
County
Los Angeles, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | SEPV Sierra, LLC | SEPV Sierra | — |
| Owner(s) | SEPV Sierra, LLC | — | — |
| Status | Operating | operating | — |
SEPV Sierra is a hybrid power plant located in Los Angeles County, California. The plant, owned and operated by SEPV Sierra, LLC, began operating in 2020. It has a total capacity of 11.3 MW derived from solar photovoltaic and battery storage technologies, making it a hybrid facility. The plant consists of two generators and utilizes single-axis solar tracking. The battery energy storage system (BESS) has a capacity of 3.4 MWh, with a duration of 0.41 hours and lithium-ion battery chemistry (LIB).
The plant's latest annual generation was 5,018 MWh, resulting in a capacity factor of 5.1%. SEPV Sierra operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. It is ranked as the 193rd largest plant in California out of 300, and 729th nationally out of 1205. The plant's primary fuel source is listed as MWH, indicating the use of stored energy for generation.
Generated from EIA, GEM, and public data sources
ISO/RTO
CAISO
Market
ISO/RTO Member
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
197 MWh
Net Discharge
5.0K MWh
Annual Net Energy
5.1%
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.
Data from 2021–2024
$10.3/MWh
Energy Value
$10.6/MWh
Capacity Value
Market Position
ISO/RTO Market
CAISO
LMP Node
LNCSTRC1_7_N003
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
EIA-860 direct report
Last updated 2026-03-14
View all articlesNo ask pi reports yet for this entity.
ask pi about SEPV SierraCalifornia Independent System Operator (CISO)
Grid Voltage
12.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP