Potato Rapids

Potato Rapids is a 1 MW hydroelectric power plant in Marinette County, Wisconsin, operated by Wisconsin Public Service Corp. EIA-860M lists 3 generating units here, inside MISO. Its units entered service between 1921 and 1926.

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
1.3 MW
1.3 MW net summer
Generating units
3
In service
1921–1926
EIA plant ID
4071

Where it is

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County
Marinette County, Wisconsin
Coordinates
45.1136, -87.7586
Balancing authority
MISO
Sector
Electric Utility

Units, technology and status

Operator of record
Wisconsin Public Service Corp
Primary energy source
Hydro
Technologies
Conventional Hydroelectric
Status
Operating

Every plant Wisconsin Public Service Corp reports to EIA →

Potato Rapids: FAQ

Where is Potato Rapids?
In Marinette 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 Potato Rapids?
1 MW of nameplate capacity across 3 units, as of the EIA-860M release for 2026-07.
Who owns Potato Rapids?
EIA-860M names Wisconsin Public Service Corp 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 Potato Rapids LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Wisconsin Public Service Corp 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 "Potato Rapids LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Potato Rapids still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.