Where is St Croix Falls?

In Polk County, Wisconsin (WI). 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 St Croix Falls?

23 MW of nameplate capacity across 8 units, as of the EIA-860M release for 2026-07.

Who owns St Croix Falls?

EIA-860M names Northern States Power Co - Minnesota 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 St Croix Falls LLC?

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

Is St Croix Falls still running?

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

St Croix Falls

St Croix Falls is a 23 MW hydroelectric power plant in Polk County, Wisconsin, operated by Northern States Power Co - Minnesota. EIA-860M lists 8 generating units here, inside MISO. Its units entered service between 1910 and 1923.

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: 23.2 MW; 15.2 MW net summer
Generating units: 8
In service: 1910–1923
EIA plant ID: 4011

Where it is

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County: Polk County, Wisconsin
Coordinates: 45.4117, -92.6469
Balancing authority: MISO
Sector: Electric Utility

Units, technology and status

Operator of record: Northern States Power Co - Minnesota
Primary energy source: Hydro
Technologies: Conventional Hydroelectric
Status: Operating

Every plant Northern States Power Co - Minnesota reports to EIA →

St Croix Falls: FAQ

Where is St Croix Falls?: In Polk County, Wisconsin (WI). 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 St Croix Falls?: 23 MW of nameplate capacity across 8 units, as of the EIA-860M release for 2026-07.
Who owns St Croix Falls?: EIA-860M names Northern States Power Co - Minnesota 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 St Croix Falls LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Northern States Power Co - Minnesota 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 "St Croix Falls LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is St Croix Falls still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.