Where is Twelvemile Solar 2?

In Mayes County, Oklahoma (OK). 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 Twelvemile Solar 2?

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

Who owns Twelvemile Solar 2?

EIA-860M names Leeward Asset Management, 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 Twelvemile Solar 2 LLC?

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Leeward Asset Management, 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 "Twelvemile Solar 2 LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.

Is Twelvemile Solar 2 still running?

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

Twelvemile Solar 2

Twelvemile Solar 2 is a 52 MW solar farm in Mayes County, Oklahoma, operated by Leeward Asset Management, LLC. EIA-860M lists 1 generating unit here, inside SPP. 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: 52.2 MW; 52.2 MW net summer
Generating units: 1
In service: 2026
EIA plant ID: 69538

Where it is

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County: Mayes County, Oklahoma
Coordinates: 36.3316, -95.2293
Balancing authority: SWPP
Sector: IPP Non-CHP

Units, technology and status

Operator of record: Leeward Asset Management, LLC
Primary energy source: Solar
Technologies: Solar Photovoltaic
Status: Operating

Every plant Leeward Asset Management, LLC reports to EIA →

Twelvemile Solar 2: FAQ

Where is Twelvemile Solar 2?: In Mayes County, Oklahoma (OK). 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 Twelvemile Solar 2?: 52 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Twelvemile Solar 2?: EIA-860M names Leeward Asset Management, 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 Twelvemile Solar 2 LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Leeward Asset Management, 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 "Twelvemile Solar 2 LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Twelvemile Solar 2 still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.