Where is Port Edwards Mill?

In Wood 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 Port Edwards Mill?

7 MW of nameplate capacity across 11 units, as of the EIA-860M release for 2026-07.

Who owns Port Edwards Mill?

EIA-860M names Domtar Industries Inc 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 Port Edwards Mill LLC?

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Domtar Industries Inc 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 "Port Edwards Mill LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.

Is Port Edwards Mill still running?

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

Port Edwards Mill

Port Edwards Mill is a 7 MW hydroelectric power plant in Wood County, Wisconsin, operated by Domtar Industries Inc. EIA-860M lists 11 generating units here, inside MISO. Its units entered service between 1913 and 1977.

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: 6.7 MW; 6.6 MW net summer
Generating units: 11
In service: 1913–1977
EIA plant ID: 54103

Where it is

Loading map…

County: Wood County, Wisconsin
Coordinates: 44.3364, -89.8672
Balancing authority: MISO
Sector: Industrial Non-CHP

Units, technology and status

Operator of record: Domtar Industries Inc
Primary energy source: Hydro
Technologies: Conventional Hydroelectric
Status: Operating

Every plant Domtar Industries Inc reports to EIA →

Port Edwards Mill: FAQ

Where is Port Edwards Mill?: In Wood 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 Port Edwards Mill?: 7 MW of nameplate capacity across 11 units, as of the EIA-860M release for 2026-07.
Who owns Port Edwards Mill?: EIA-860M names Domtar Industries Inc 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 Port Edwards Mill LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Domtar Industries Inc 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 "Port Edwards Mill LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Port Edwards Mill still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.