75 MW Batteries (25 MW) + Solar Photovoltaic (50 MW) operating in San Bernardino, CA — California Independent System Operator
75 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2024
Operating Since
Coordinates
34.6091, -117.4537
County
San Bernardino, CA
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.
Located in San Bernardino County, California, the Baldy Mesa 2_Silver Peak Hybrid plant is a 75 MW hybrid facility consisting of solar photovoltaic generation and battery energy storage. The plant, which began operating in 2024, is owned and operated by AES Clean Energy. It utilizes single-axis trackers for its solar panels and lithium-ion batteries for energy storage. The battery energy storage system (BESS) has a total storage capacity of 100 MWh and a duration of 4 hours.
The plant's primary fuel source is categorized as "MWH," reflecting its hybrid nature. In its latest year of operation, the plant generated 118,745 MWh, achieving a capacity factor of 18.0%. The Baldy Mesa 2_Silver Peak Hybrid plant operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. It is ranked as the 135th largest plant in California out of 300, and nationally it is ranked 553rd out of 1205. Financial data is available for the plant from LBNL Solar, and it has been the subject of two news articles related to deals.
Generated from EIA, GEM, and public data sources
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
115 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
5.2K MWh
Latest Month
118.7K MWh
Annual Generation
18.0%
Capacity Factor
Point of Interconnection
Nearest Substation
Hamlin Substation · 230 kV
Substation Distance
< 10 km
Operator
AES
Coord Source
OSM spatial
Market Position
ISO/RTO Market
CAISO
LMP Node
ROADWAY_1_N001
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
EIA-860 direct report
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Last updated 2026-03-26
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