Port Edwards Mill
Hydro power plant in Wood County, Wisconsin. 6.7 MW of nameplate capacity across 11 generators, operated by Domtar Industries Inc.
Also known as EIA plant 54103
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 6.7 MWNameplate
- Generators
- 11 operatingEIA-860M, August 2026
- Operating since
- January 1913First generator online
- Operator
- Domtar Industries IncEIA operator ID 5033
- Grid
- MISOBalancing authority MISO
- Price nodes
- None linkedNo verified ISO node
- Location
- Wood County, WI44.3364, −89.8672
- EIA plant ID
- 54103EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Port Edwards Mill produces
Free · EIA-923Net generation, 2025
37.3 GWh
37,259 MWh, final
Capacity factor, 2025
63.5%
2024: 66.4%
January to July 2026
22.2 GWh
Provisional
Range, 2015 to 2025
21.8–44.2
GWh a year. Low 2019, high 2016
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | 93,107 | Not reported | 11 of 12 |
| 2002 | 6,708 | Not reported | 1 of 12 |
| 2003 | 70,761 | Not reported | 9 of 12 |
| 2004 | 95,426 | Not reported | 12 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | 85,958 | Not reported | 12 of 12 |
| 2007 | 78,794 | Not reported | 12 of 12 |
| 2008 | 58,498 | Not reported | 12 of 12 |
| 2009 | 32,783 | Not reported | 12 of 12 |
| 2010 | 36,631 | 30.7% | 12 of 12 |
| 2011 | 40,490 | 34.0% | 12 of 12 |
| 2012 | 31,458 | 26.3% | 12 of 12 |
| 2013 | 37,643 | Not reported | 12 of 12 |
| 2014 | 40,552 | 69.1% | 12 of 12 |
| 2015 | 42,108 | 71.7% | 12 of 12 |
| 2016 | 44,171 | 75.1% | 12 of 12 |
| 2017 | 39,515 | 67.3% | 12 of 12 |
| 2018 | 37,747 | 64.3% | 12 of 12 |
| 2019 | 21,830 | 37.2% | 12 of 12 |
| 2020 | 26,526 | 45.1% | 12 of 12 |
| 2021 | 31,041 | 52.9% | 12 of 12 |
| 2022 | 29,265 | 49.9% | 12 of 12 |
| 2023 | 32,093 | 54.7% | 12 of 12 |
| 2024 | 39,093 | 66.4% | 12 of 12 |
| 2025 | 37,259 | 63.5% | 12 of 12 |
| 2026 (provisional, partial year) | 22,209 | 65.1% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| HG1 | Conventional Hydroelectric | 0.4 | January 1913 |
| HG2 | Conventional Hydroelectric | 0.4 | January 1913 |
| HG3 | Conventional Hydroelectric | 0.4 | January 1913 |
| HG4 | Conventional Hydroelectric | 0.4 | January 1913 |
| HG5 | Conventional Hydroelectric | 0.8 | January 1926 |
| HG6 | Conventional Hydroelectric | 0.8 | January 1926 |
| JHG1 | Conventional Hydroelectric | 1.3 | January 1926 |
| JHG2 | Conventional Hydroelectric | 0.6 | January 1938 |
| JHG3 | Conventional Hydroelectric | 0.6 | January 1939 |
| JHG4 | Conventional Hydroelectric | 0.4 | January 1943 |
| JHG5 | Conventional Hydroelectric | 0.6 | January 1977 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Domtar Industries Inc as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
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Power plants near Port Edwards Mill
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Questions about Port Edwards Mill
How much power does Port Edwards Mill produce?
Port Edwards Mill reported 37,259 MWh (37.3 GWh) of net generation in 2025, a 63.5% capacity factor on 6.7 MW of nameplate capacity. From January to July 2026 it reported 22.2 GWh, which is provisional.
Where is Port Edwards Mill?
Port Edwards Mill is in Wood County, Wisconsin, at 44.3364, −89.8672. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Port Edwards Mill?
EIA-860M for August 2026 lists Domtar Industries Inc as the operator (EIA operator ID 5033). The operator is not always the owner.
When did Port Edwards Mill start operating?
Its first generator began operating in January 1913, according to EIA-860M.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page