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500.6 MW Batteries (230 MW) + Solar Photovoltaic (271 MW) operating in Riverside, CA — California Independent System Operator
500.6 MW
Nameplate Capacity
9
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2015
Operating Since
Coordinates
31.4676, -96.8272
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 | McCoy Solar, LLC | NextEra Energy | — |
| Owner(s) | McCoy Solar, LLC | NextEra Energy | — |
| Status | Operating | operating | — |
The McCoy Solar Energy Project is a 250 megawatt (MWAC) photovoltaic power plant near the city of Blythe in Riverside County, California. It occupies about 2,300 acres (930 ha) of mostly public land in the Mojave Desert. The construction uses CdTe thin film panels from First Solar, and the output is being sold to Southern California Edison under a power purchase agreement.
Read more on WikipediaThe McCoy Solar Energy Project Hybrid is a 500.6 MW hybrid power plant located in Riverside County, California. The plant, which began operating in 2015, is owned by NextEra Energy and operated by McCoy Solar, LLC. It utilizes both solar photovoltaic technology and battery energy storage systems (BESS). The facility consists of 9 generators and uses single-axis solar tracking. The BESS component has a storage capacity of 920 MWh, providing a duration of 4 hours and employing lithium-ion battery (LIB) chemistry.
McCoy Solar is interconnected to the California Independent System Operator (CAISO) balancing authority within the Western Electricity Coordinating Council (WECC) region. The plant's latest annual generation was 646,706 MWh, resulting in a capacity factor of 14.7%. Financial data indicates a power purchase agreement (PPA) price of $96.31 per MWh. The plant is ranked as the 2nd largest solar facility out of 59 in California, and 19th out of 639 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
230.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
33.0K MWh
Latest Month
646.7K MWh
Annual Generation
14.7%
Capacity Factor
McCoy Solar, LLC · Data from 2016–2025
$9.7/MWh
PPA Price
Market Position
ISO/RTO Market
CAISO
LMP Node
BLKCRK_2_GMCBT1-APND
Pricing Hub
TH_SP15_GEN-APND
Location Type
Aggregated Node
Node Source
Curated node match
Last updated 2026-03-26
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