450 MW Batteries (150 MW) + Solar Photovoltaic (300 MW) operating in Yuma, AZ — California Independent System Operator
450 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2024
Operating Since
Coordinates
32.9575, -113.4760
County
Yuma, AZ
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | AES Clean Energy | AES Clean Energy | — |
| Owner(s) | AES Clean Energy | AES Clean Energy | — |
| Status | Operating | operating | — |
GEM identifies the owner as AES Clean Energy
This entity is not yet in the GEM ownership database — chain unavailable.
McFarland B Solar and Storage is a 450 MW hybrid power plant located in Yuma County, Arizona. The plant, which began operating in 2024, is owned and operated by AES Clean Energy. It utilizes both solar photovoltaic technology and battery energy storage. The facility consists of two generators and features single-axis solar tracking. The battery energy storage system (BESS) has a capacity of 600 MWh, providing a duration of 4 hours and employing lithium-ion battery (LIB) chemistry.
The plant's primary fuel source is listed as MWH, reflecting its reliance on solar energy and stored electricity. In its latest year of operation, McFarland B Solar and Storage generated 600,499 MWh, achieving a capacity factor of 15.2%. The plant operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. McFarland B Solar and Storage is ranked as the 18th largest power plant in Arizona out of 47, and 81st nationally out of 514. Financial data is available for the plant from LBNL Solar.
Generated from EIA, GEM, and public data sources
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
500 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
41.7K MWh
Latest Month
600.5K MWh
Annual Generation
15.2%
Capacity Factor
Market Position
ISO/RTO Market
CAISO
LMP Node
AGUCALG1_7_B1
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match