Stiles
Hydro power plant in Oconto County, Wisconsin. 1 MW of nameplate capacity across 2 generators, operated by Oconto Electric Cooperative.
Also known as EIA plant 4147
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 1 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- March 1949First generator online
- Operator
- Oconto Electric CooperativeEIA operator ID 13964
- Grid
- MISOBalancing authority MISO
- Price nodes
- None linkedNo verified ISO node
- Location
- Oconto County, WI44.8747, −88.1586
- EIA plant ID
- 4147EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Stiles produces
Free · EIA-923Net generation, 2025
5.27 GWh
5,273 MWh, final
Capacity factor, 2025
60.2%
2024: 63.6%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
4.2–8.3
GWh a year. Low 2021, high 2020
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 0 | Not reported | 12 of 12 |
| 2001 | 4,654 | Not reported | 12 of 12 |
| 2002 | 5,743 | Not reported | 12 of 12 |
| 2003 | 5,233 | Not reported | 12 of 12 |
| 2004 | 5,508 | Not reported | 12 of 12 |
| 2005 | 4,387 | Not reported | 12 of 12 |
| 2006 | 4,928 | Not reported | 12 of 12 |
| 2007 | 3,902 | Not reported | 12 of 12 |
| 2008 | 3,844 | Not reported | 12 of 12 |
| 2009 | 3,598 | Not reported | 12 of 12 |
| 2010 | 3,966 | 45.3% | 12 of 12 |
| 2011 | 5,085 | 58.0% | 12 of 12 |
| 2012 | 4,066 | 46.3% | 12 of 12 |
| 2013 | 4,452 | 50.8% | 12 of 12 |
| 2014 | 4,999 | 57.1% | 12 of 12 |
| 2015 | 5,978 | 68.2% | 12 of 12 |
| 2016 | 6,309 | 71.8% | 12 of 12 |
| 2017 | 6,998 | 79.9% | 12 of 12 |
| 2018 | 5,929 | 67.7% | 12 of 12 |
| 2019 | 7,384 | 84.3% | 12 of 12 |
| 2020 | 8,296 | 94.4% | 12 of 12 |
| 2021 | 4,155 | 47.4% | 12 of 12 |
| 2022 | 5,004 | 57.1% | 12 of 12 |
| 2023 | 5,352 | 61.1% | 12 of 12 |
| 2024 | 5,583 | 63.6% | 12 of 12 |
| 2025 | 5,273 | 60.2% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 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 |
|---|---|---|---|
| 1 | Conventional Hydroelectric | 0.5 | March 1949 |
| 2 | Conventional Hydroelectric | 0.5 | March 1949 |
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 Oconto Electric Cooperative 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 Stiles
How much power does Stiles produce?
Stiles reported 5,273 MWh (5.27 GWh) of net generation in 2025, a 60.2% capacity factor on 1 MW of nameplate capacity.
Where is Stiles?
Stiles is in Oconto County, Wisconsin, at 44.8747, −88.1586. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Stiles?
EIA-860M for August 2026 lists Oconto Electric Cooperative as the operator (EIA operator ID 13964). The operator is not always the owner.
When did Stiles start operating?
Its first generator began operating in March 1949, 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