Baldy Mesa Solar & Storage

Baldy Mesa Solar & Storage is a 225 MW solar farm in San Bernardino County, California, operated by AES Clean Energy. EIA-860M lists 2 generating units here, inside CAISO. Its units entered service in 2024.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Nameplate capacity
225 MW
225 MW net summer
Generating units
2
In service
2024
EIA plant ID
66598

Where it is

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County
San Bernardino County, California
Coordinates
34.6092, -117.4543
Balancing authority
CISO
Sector
IPP Non-CHP

Units, technology and status

Operator of record
AES Clean Energy
Primary energy source
Solar
Technologies
Batteries, Solar Photovoltaic
Status
Operating

This site runs on more than one energy source. EIA-860M capacity splits: Solar 150 MW, Battery 75 MW. It is filed here under Solar, the source with the most capacity.

Every plant AES Clean Energy reports to EIA →

Baldy Mesa Solar & Storage: FAQ

Where is Baldy Mesa Solar & Storage?
In San Bernardino County, California (CA). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
How big is Baldy Mesa Solar & Storage?
225 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
Who owns Baldy Mesa Solar & Storage?
EIA-860M names AES Clean Energy as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
Is this the same as Baldy Mesa Solar & Storage LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — AES Clean Energy here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "Baldy Mesa Solar & Storage LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Baldy Mesa Solar & Storage still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.