Rhinelander Mill
Hydro power plant in Oneida County, Wisconsin. 1 MW of nameplate capacity across 2 generators, operated by Ahlstrom-Munksjo.
Also known as EIA plant 50933
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 1 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- December 1917First generator online
- Operator
- Ahlstrom-MunksjoEIA operator ID 61707
- Grid
- MISOBalancing authority MISO
- Price nodes
- None linkedNo verified ISO node
- Location
- Oneida County, WI45.6394, −89.4205
- EIA plant ID
- 50933EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Rhinelander Mill produces
Free · EIA-923Net generation, 2025
5.82 GWh
5,817 MWh, final
Capacity factor, 2025
3.1%
2024: 2.6%
January to July 2026
5.00 GWh
Provisional
Range, 2015 to 2025
3.0–54.1
GWh a year. Low 2020, high 2015
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | 64,195 | Not reported | 12 of 12 |
| 2002 | 86,128 | Not reported | 12 of 12 |
| 2003 | 8,324 | Not reported | 12 of 12 |
| 2004 | 76,448 | Not reported | 12 of 12 |
| 2005 | 66,997 | Not reported | 12 of 12 |
| 2006 | 67,767 | Not reported | 12 of 12 |
| 2007 | 63,725 | Not reported | 12 of 12 |
| 2008 | 49,620 | Not reported | 12 of 12 |
| 2009 | 50,606 | Not reported | 12 of 12 |
| 2010 | 14,246 | Not reported | 3 of 12 |
| 2011 | 13,957 | 25.3% | 3 of 12 |
| 2012 | 51,171 | 23.0% | 12 of 12 |
| 2013 | 58,931 | 31.6% | 12 of 12 |
| 2014 | 58,821 | 31.5% | 12 of 12 |
| 2015 | 54,055 | 29.0% | 12 of 12 |
| 2016 | 47,716 | 25.5% | 12 of 12 |
| 2017 | 44,290 | 23.7% | 12 of 12 |
| 2018 | 39,559 | 21.2% | 12 of 12 |
| 2019 | 30,429 | 16.3% | 12 of 12 |
| 2020 | 3,045 | 1.6% | 12 of 12 |
| 2021 | 22,354 | 12.0% | 12 of 12 |
| 2022 | 7,133 | 3.8% | 12 of 12 |
| 2023 | 6,853 | 3.7% | 12 of 12 |
| 2024 | 4,905 | 2.6% | 12 of 12 |
| 2025 | 5,817 | 3.1% | 12 of 12 |
| 2026 (provisional, partial year) | 5,002 | 4.6% | 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 |
|---|---|---|---|
| HYD1 | Conventional Hydroelectric | 0.5 | December 1917 |
| HYD2 | Conventional Hydroelectric | 0.5 | December 1917 |
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 Ahlstrom-Munksjo 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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Questions about Rhinelander Mill
How much power does Rhinelander Mill produce?
Rhinelander Mill reported 5,817 MWh (5.82 GWh) of net generation in 2025, a 3.1% capacity factor on 1 MW of nameplate capacity. From January to July 2026 it reported 5.00 GWh, which is provisional.
Where is Rhinelander Mill?
Rhinelander Mill is in Oneida County, Wisconsin, at 45.6394, −89.4205. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Rhinelander Mill?
EIA-860M for August 2026 lists Ahlstrom-Munksjo as the operator (EIA operator ID 61707). The operator is not always the owner.
When did Rhinelander Mill start operating?
Its first generator began operating in December 1917, 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