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350 MW Batteries (150 MW) + Solar Photovoltaic (200 MW) operating in Fresno, CA — California Independent System Operator
350 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2024
Operating Since
Coordinates
36.6037, -120.3757
County
Fresno, 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 | EDPR Scarlet II LLC | EDP Renewables | — |
| Owner(s) | EDPR Scarlet II LLC | EDP Renewables | — |
| Status | Operating | operating | — |
GEM identifies the owner as EDP Renewables
This entity is not yet in the GEM ownership database — chain unavailable.
Scarlet II Hybrid is a 350 MW hybrid power plant located in Fresno County, California. The plant, which began operating in 2024, is owned and operated by EDPR Scarlet II LLC. It utilizes both solar photovoltaic technology with single-axis tracking and battery energy storage. The battery energy storage system (BESS) has a capacity of 600 MWh and a duration of 4 hours, using lithium-ion battery chemistry (LIB). The plant connects to the California Independent System Operator (CAISO) balancing authority within the Western Electricity Coordinating Council (WECC) NERC region.
The plant's primary fuel source is listed as "MWH". In its latest year of operation, Scarlet II Hybrid generated 385,106 MWh, achieving a capacity factor of 12.5%. Scarlet II Hybrid is ranked as the 22nd largest power plant out of 112 in California, and 114th out of 514 nationally. Financial data indicates a power purchase agreement (PPA) price of $6 per MWh.
Generated from EIA, GEM, and public data sources
ISO/RTO
CAISO
Market
ISO/RTO Member
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
5.7K MWh
Latest Month
385.1K MWh
Annual Generation
12.5%
Capacity Factor
EDPR Scarlet II LLC · Data from 2024–2025
$6.0/MWh
PPA Price
Market Position
ISO/RTO Market
CAISO
LMP Node
SCARLT_7_N005
Pricing Hub
TH_NP15_GEN-APND
Alt. Hub / Zone
TH_ZP26_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
Last updated 2026-03-26
View all articlesCalifornia Independent System Operator (CISO)
Grid Voltage
230.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP