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399 MW Batteries (136 MW) + Solar Photovoltaic (263 MW) operating in Riverside, CA — California Independent System Operator
399 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2024
Operating Since
Coordinates
33.7010, -115.3163
County
Riverside, CA
Nearby Plants
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Arica Solar, LLC | Clearway Energy Group | — |
| Owner(s) | Arica Solar, LLC | Clearway Energy | — |
| Status | Operating | operating | — |
Arica Solar is a 399 MW hybrid power plant located in Riverside County, California. The plant, which began operating in 2024, is owned by Clearway Energy and operated by Arica Solar, LLC. It utilizes both solar photovoltaic technology and battery energy storage. The facility consists of two generators and is powered by solar energy (designated as MWH in the data). Arica Solar also incorporates a 544 MWh battery energy storage system (BESS) with a 4-hour duration, utilizing lithium-ion battery chemistry (LIB). The solar array uses single-axis tracking.
Arica Solar is interconnected to the California Independent System Operator (CAISO) balancing authority within the Western Electricity Coordinating Council (WECC) NERC region. The plant's latest annual generation was 777,143 MWh, resulting in a capacity factor of 22.2%. Arica Solar ranks as the 18th largest solar plant in California out of 112, and 104th nationally out of 514. Financial data indicates a power purchase agreement (PPA) price of $15.75 per MWh, as reported in FERC EQRs and by LBNL Solar.
Generated from EIA, GEM, and public data sources
ISO/RTO
CAISO
Market
ISO/RTO Member
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
39.4K MWh
Latest Month
777.1K MWh
Annual Generation
22.2%
Capacity Factor
Arica Solar, LLC · Data from 2023–2025
$14.4/MWh
PPA Price
Market Position
ISO/RTO Market
CAISO
LMP Node
OBERON_7_N122
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
Last updated 2026-03-14
View all 5 articlesCalifornia Independent System Operator (CISO)
Grid Voltage
220.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP