In Stanley County, South Dakota (SD). 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 Ft. Pierre?

6 MW of nameplate capacity across 3 units, as of the EIA-860M release for 2026-07.

EIA-860M names City of Fort Pierre - (SD) 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 Ft. Pierre LLC?

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

Is Ft. Pierre still running?

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

Ft. Pierre

Ft. Pierre is a 6 MW oil-fired power plant in Stanley County, South Dakota, operated by City of Fort Pierre - (SD). EIA-860M lists 3 generating units here, inside SPP. Its units entered service in 2004.

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: 6 MW; 6 MW net summer
Generating units: 3
In service: 2004
EIA plant ID: 56148

Where it is

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County: Stanley County, South Dakota
Coordinates: 44.3681, -100.3808
Balancing authority: SWPP
Sector: Electric Utility

Units, technology and status

Operator of record: City of Fort Pierre - (SD)
Primary energy source: Petroleum
Technologies: Petroleum Liquids
Status: Operating

Every plant City of Fort Pierre - (SD) reports to EIA →

Ft. Pierre: FAQ

Where is Ft. Pierre?: In Stanley County, South Dakota (SD). 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 Ft. Pierre?: 6 MW of nameplate capacity across 3 units, as of the EIA-860M release for 2026-07.
Who owns Ft. Pierre?: EIA-860M names City of Fort Pierre - (SD) 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 Ft. Pierre LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — City of Fort Pierre - (SD) 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 "Ft. Pierre LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Ft. Pierre still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.