Baldy Mesa Solar & Storage

OperatingBESSSolarHybrid

Ranked #57 of 972 Solar plants in CA#299 of 7790 nationally

225 MW Batteries (75 MW) + Solar Photovoltaic (150 MW) operating in San Bernardino, CA — California Independent System Operator

EIAGEM

225 MW

Nameplate Capacity

2

Generators

units

Hybrid (2)

Technology

Batteries + Solar Photovoltaic

2024

Operating Since

Location

Coordinates

34.6092, -117.4543

County

San Bernardino, CA

Nearby Plants

Baldy Mesa 2_Silver Peak Hybrid
BESS75 MW · 0.1 km
Otoe Solar Power Generation Station 1 LL
Solar1.5 MW · 6.3 km
Coronus Adelanto West 1
Solar1.5 MW · 6.8 km

Status

as of 19 months ago

Project statusOperationalVictorville Daily Press · 2024-05-22

Latest milestoneCOD achieved · 2024-Q3Latitude Media · 2024-10-28

Delay reasonpandemic, Western Joshua Tree Conservation Act permitting and mitigation requirements, transmission easement negotiations with Southern California EdisonLatitude Media · 2024-10-28

Ownership & Operator

Field	EIA	GEM	Wikidata
Operator	AES Clean Energy	AES	—
Owner(s)	AES Clean Energy	AES	—
Status	Operating	operating	—

Ownership Chain

DeveloperAESLatitude Media · 2024-10-28

About

Baldy Mesa Solar & Storage is a hybrid power plant located in San Bernardino County, California. The plant, owned by AES and operated by AES Clean Energy, began operating in 2024. It has a total capacity of 225 MW and consists of two generators utilizing both solar photovoltaic and battery storage technologies. The battery energy storage system (BESS) has a capacity of 300 MWh, providing a duration of 4 hours and employing lithium-ion battery (LIB) chemistry. The solar component uses single-axis tracking.

The plant's latest annual generation was 297,449 MWh, resulting in a capacity factor of 15.1%. Baldy Mesa Solar & Storage operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. The plant ranks 59th out of 112 power plants in California and 240th out of 514 nationally. Financial data is available for the plant from LBNL Solar.

Generated from EIA, GEM, and public data sources

EIA Plant Profile Global Energy Monitor

Engineering & Generators