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287 MW Batteries (137 MW) + Solar Photovoltaic (150 MW) operating in Fresno, CA — California Independent System Operator
287 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2023
Operating Since
Coordinates
36.1532, -120.1045
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 | RWE Clean Energy | RWE Renewables Americas | — |
| Owner(s) | Big Sky Wind, LLC | RWE Renewables Americas LLC | — |
| Status | Operating | operating | — |
GEM identifies the owner as RWE Renewables Americas LLC
This entity is not yet in the GEM ownership database — chain unavailable.
Fifth Standard Solar PV, LLC (Hybrid) is a 287 MW hybrid power plant located in Fresno County, California. The plant, which began operating in 2023, is owned and operated by Big Sky Wind, 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 137 MWh and a duration of 1 hour, using lithium-ion battery chemistry (LIB). The plant 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 301,107 MWh, resulting in a capacity factor of 11.9%. Fifth Standard Solar PV, LLC (Hybrid) ranks as the 40th largest solar plant out of 112 in California, and 173rd out of 514 nationally. Financial data indicates that the plant has a power purchase agreement (PPA) price of $65.2 per MWh. The plant has two generators and is tracked in four news articles related to the industry.
Generated from EIA, GEM, and public data sources
ISO/RTO
CAISO
Market
ISO/RTO Member
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
6.5K MWh
Latest Month
301.1K MWh
Annual Generation
11.9%
Capacity Factor
Big Sky Wind, LLC · Data from 2023–2025
$65.2/MWh
PPA Price
Market Position
ISO/RTO Market
CAISO
LMP Node
FIFTHS_7_N002
Pricing Hub
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