Where is Aratina Solar Center 1B?

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 Aratina Solar Center 1B?

130 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.

Who owns Aratina Solar Center 1B?

EIA-860M names 91MC 8me LLC 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 Aratina Solar Center 1B LLC?

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — 91MC 8me LLC 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 "Aratina Solar Center 1B LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.

Is Aratina Solar Center 1B still running?

EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.

Aratina Solar Center 1B

Aratina Solar Center 1B is a 130 MW solar farm in San Bernardino County, California, operated by 91MC 8me LLC. EIA-860M lists 2 generating units here, inside CAISO. Its units entered service in 2026.

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: 130 MW; 130 MW net summer
Generating units: 2
In service: 2026
EIA plant ID: 61167

Where it is

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County: San Bernardino County, California
Coordinates: 34.988, -117.5716
Balancing authority: CISO
Sector: IPP Non-CHP

Units, technology and status

Operator of record: 91MC 8me LLC
Primary energy source: Solar
Technologies: Batteries, Solar Photovoltaic
Status: Operating

This site runs on more than one energy source. EIA-860M capacity splits: Solar 80 MW, Battery 50 MW. It is filed here under Solar, the source with the most capacity.

Every plant 91MC 8me LLC reports to EIA →

Aratina Solar Center 1B: FAQ

Where is Aratina Solar Center 1B?: 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 Aratina Solar Center 1B?: 130 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
Who owns Aratina Solar Center 1B?: EIA-860M names 91MC 8me LLC 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 Aratina Solar Center 1B LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — 91MC 8me LLC 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 "Aratina Solar Center 1B LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Aratina Solar Center 1B still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.