In Leon County, Florida (FL). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.

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

EIA-860M names City of Tallahassee - (FL) 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 Sub 12 LLC?

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — City of Tallahassee - (FL) 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 "Sub 12 LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.

Is Sub 12 still running?

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

Sub 12

Sub 12 is a 19 MW natural gas power plant in Leon County, Florida, operated by City of Tallahassee - (FL). EIA-860M lists 2 generating units here. Its units entered service in 2018.

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: 18.6 MW; 18.4 MW net summer
Generating units: 2
In service: 2018
EIA plant ID: 61080

Where it is

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County: Leon County, Florida
Coordinates: 30.4598, -84.26
Balancing authority: TAL
Sector: Electric Utility

Units, technology and status

Operator of record: City of Tallahassee - (FL)
Primary energy source: Natural gas
Technologies: Natural Gas Internal Combustion Engine
Status: Operating

Every plant City of Tallahassee - (FL) reports to EIA →

Sub 12: FAQ

Where is Sub 12?: In Leon County, Florida (FL). 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 Sub 12?: 19 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
Who owns Sub 12?: EIA-860M names City of Tallahassee - (FL) 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 Sub 12 LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — City of Tallahassee - (FL) 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 "Sub 12 LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Sub 12 still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.