Where is Millers Branch Solar?

In Haskell 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 Millers Branch Solar?

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

Who owns Millers Branch Solar?

EIA-860M names Southern Power Co 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 Millers Branch Solar LLC?

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

Is Millers Branch Solar still running?

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

Millers Branch Solar

Millers Branch Solar is a 200 MW solar farm in Haskell County, Texas, operated by Southern Power Co. EIA-860M lists 1 generating unit here, inside ERCOT. Its unit 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: 200 MW; 200 MW net summer
Generating units: 1
In service: 2026
EIA plant ID: 69101

Where it is

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County: Haskell County, Texas
Coordinates: 33.2213, -99.5865
Balancing authority: ERCO
Sector: IPP Non-CHP

Units, technology and status

Operator of record: Southern Power Co
Primary energy source: Solar
Technologies: Solar Photovoltaic
Status: Operating

Every plant Southern Power Co reports to EIA →

Millers Branch Solar: FAQ

Where is Millers Branch Solar?: In Haskell 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 Millers Branch Solar?: 200 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Millers Branch Solar?: EIA-860M names Southern Power Co 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 Millers Branch Solar LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Southern Power Co 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 "Millers Branch Solar LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Millers Branch Solar still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.