Where is Sonoran Solar Energy?

In Maricopa County, Arizona (AZ). 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 Sonoran Solar Energy?

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

Who owns Sonoran Solar Energy?

EIA-860M names Sonoran Solar Energy, 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 Sonoran Solar Energy LLC?

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

Is Sonoran Solar Energy still running?

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

Sonoran Solar Energy

Sonoran Solar Energy is a 750 MW solar farm in Maricopa County, Arizona, operated by Sonoran Solar Energy, LLC. EIA-860M lists 2 generating units here. Its units entered service in 2023.

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: 750 MW; 520 MW net summer
Generating units: 2
In service: 2023
EIA plant ID: 66627

Where it is

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County: Maricopa County, Arizona
Coordinates: 33.2488, -112.5424
Balancing authority: SRP
Sector: IPP Non-CHP

Units, technology and status

Operator of record: Sonoran Solar Energy, 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 490 MW, Battery 260 MW. It is filed here under Solar, the source with the most capacity.

Every plant Sonoran Solar Energy, LLC reports to EIA →

Sonoran Solar Energy: FAQ

Where is Sonoran Solar Energy?: In Maricopa County, Arizona (AZ). 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 Sonoran Solar Energy?: 750 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
Who owns Sonoran Solar Energy?: EIA-860M names Sonoran Solar Energy, 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 Sonoran Solar Energy LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Sonoran Solar Energy, 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 "Sonoran Solar Energy LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Sonoran Solar Energy still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.