Where is Orion III Solar Project?

In Milam County, Texas (TX). 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 Orion III Solar Project?

250 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.

Who owns Orion III Solar Project?

EIA-860M names Ben Milam Solar 3 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 Orion III Solar Project LLC?

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Ben Milam Solar 3 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 "Orion III Solar Project LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.

Is Orion III Solar Project still running?

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

Orion III Solar Project

Orion III Solar Project is a 250 MW solar farm in Milam County, Texas, operated by Ben Milam Solar 3 LLC. EIA-860M lists 1 generating unit here, inside ERCOT. Its unit 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: 250 MW; 250 MW net summer
Generating units: 1
In service: 2024
EIA plant ID: 66821

Where it is

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County: Milam County, Texas
Coordinates: 30.9602, -97.1245
Balancing authority: ERCO
Sector: IPP Non-CHP

Units, technology and status

Operator of record: Ben Milam Solar 3 LLC
Primary energy source: Solar
Technologies: Solar Photovoltaic
Status: Operating

Every plant Ben Milam Solar 3 LLC reports to EIA →

Orion III Solar Project: FAQ

Where is Orion III Solar Project?: In Milam County, Texas (TX). 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 Orion III Solar Project?: 250 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Orion III Solar Project?: EIA-860M names Ben Milam Solar 3 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 Orion III Solar Project LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Ben Milam Solar 3 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 "Orion III Solar Project LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Orion III Solar Project still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.