Sylvan
Hydro power plant in Cass County, Minnesota. 1.8 MW of nameplate capacity across 3 generators, operated by ALLETE, Inc..
Also known as Sylvan Dam · EIA plant 1900
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 1.8 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- January 1913First generator online
- Operator
- ALLETE, Inc.EIA operator ID 12647
- Grid
- MISOBalancing authority MISO
- Price nodes
- None linkedNo verified ISO node
- Location
- Cass County, MN46.3050, −94.3775
- EIA plant ID
- 1900EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Sylvan produces
Free · EIA-923Net generation, 2025
10.1 GWh
10,130 MWh, final
Capacity factor, 2025
64.2%
2024: 66.5%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
8.0–12.4
GWh a year. Low 2023, high 2017
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 12,015 | Not reported | 12 of 12 |
| 2001 | 10,338 | Not reported | 12 of 12 |
| 2002 | 10,879 | Not reported | 12 of 12 |
| 2003 | 8,530 | Not reported | 12 of 12 |
| 2004 | 10,199 | Not reported | 12 of 12 |
| 2005 | 11,144 | Not reported | 12 of 12 |
| 2006 | 9,512 | Not reported | 12 of 12 |
| 2007 | 8,466 | Not reported | 12 of 12 |
| 2008 | 9,492 | Not reported | 12 of 12 |
| 2009 | 10,606 | Not reported | 12 of 12 |
| 2010 | 12,037 | 76.3% | 12 of 12 |
| 2011 | 11,193 | 71.0% | 12 of 12 |
| 2012 | 8,810 | 55.7% | 12 of 12 |
| 2013 | 7,836 | 49.7% | 12 of 12 |
| 2014 | 10,928 | 69.3% | 12 of 12 |
| 2015 | 10,981 | 69.6% | 12 of 12 |
| 2016 | 11,457 | 72.5% | 12 of 12 |
| 2017 | 12,425 | 78.8% | 12 of 12 |
| 2018 | 11,201 | 71.0% | 12 of 12 |
| 2019 | 11,530 | 73.1% | 12 of 12 |
| 2020 | 12,063 | 76.3% | 12 of 12 |
| 2021 | 8,943 | 56.7% | 12 of 12 |
| 2022 | 9,731 | 61.7% | 12 of 12 |
| 2023 | 8,013 | 50.8% | 12 of 12 |
| 2024 | 10,520 | 66.5% | 12 of 12 |
| 2025 | 10,130 | 64.2% | 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 | 0.6 | January 1913 |
| 2 | Conventional Hydroelectric | 0.6 | January 1913 |
| 3 | Conventional Hydroelectric | 0.6 | January 1915 |
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 ALLETE, 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 Sylvan
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Questions about Sylvan
How much power does Sylvan produce?
Sylvan reported 10,130 MWh (10.1 GWh) of net generation in 2025, a 64.2% capacity factor on 1.8 MW of nameplate capacity.
Where is Sylvan?
Sylvan is in Cass County, Minnesota, at 46.3050, −94.3775. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Sylvan?
EIA-860M for August 2026 lists ALLETE, Inc. as the operator (EIA operator ID 12647). The operator is not always the owner.
When did Sylvan 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)
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page