Allegan Dam
Hydro power plant in Allegan County, Michigan. 2.6 MW of nameplate capacity across 3 generators, operated by Consumers Energy Co - (MI).
Also known as Allegan Hydro Station · EIA plant 1694
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 2.6 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- January 1935First generator online
- Operator
- Consumers Energy Co - (MI)EIA operator ID 4254
- Grid
- MISOBalancing authority MISO
- Price nodes
- 1 MISO nodeResource nodes with prices
- Location
- Allegan County, MI42.5638, −85.9540
- EIA plant ID
- 1694EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Allegan Dam produces
Free · EIA-923Net generation, 2025
11.7 GWh
11,715 MWh, final
Capacity factor, 2025
51.4%
2024: 54.0%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
10.8–14.9
GWh a year. Low 2021, high 2016
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 12,236 | Not reported | 12 of 12 |
| 2001 | 14,511 | Not reported | 12 of 12 |
| 2002 | 12,863 | Not reported | 12 of 12 |
| 2003 | 10,582 | Not reported | 12 of 12 |
| 2004 | 13,047 | Not reported | 12 of 12 |
| 2005 | 11,788 | Not reported | 12 of 12 |
| 2006 | 13,728 | Not reported | 12 of 12 |
| 2007 | 12,638 | Not reported | 12 of 12 |
| 2008 | 13,441 | Not reported | 12 of 12 |
| 2009 | 11,974 | Not reported | 12 of 12 |
| 2010 | 14,063 | 61.7% | 12 of 12 |
| 2011 | 12,127 | 53.2% | 12 of 12 |
| 2012 | 12,909 | 56.5% | 12 of 12 |
| 2013 | 14,281 | 62.7% | 12 of 12 |
| 2014 | 13,444 | 59.0% | 12 of 12 |
| 2015 | 13,521 | 59.4% | 12 of 12 |
| 2016 | 14,910 | 65.3% | 12 of 12 |
| 2017 | 14,073 | 61.8% | 12 of 12 |
| 2018 | 14,093 | 61.9% | 12 of 12 |
| 2019 | 13,951 | 61.3% | 12 of 12 |
| 2020 | 11,250 | 49.3% | 12 of 12 |
| 2021 | 10,781 | 47.3% | 12 of 12 |
| 2022 | 13,102 | 57.5% | 12 of 12 |
| 2023 | 11,948 | 52.5% | 12 of 12 |
| 2024 | 12,334 | 54.0% | 12 of 12 |
| 2025 | 11,715 | 51.4% | 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 account · MISOEmissions
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 | January 1935 |
| 2 | Conventional Hydroelectric | 0.9 | January 1935 |
| 3 | Conventional Hydroelectric | 1.2 | January 1945 |
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 Consumers Energy Co - (MI) 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 Allegan Dam
More plants operated by Consumers Energy Co - (MI)
Questions about Allegan Dam
How much power does Allegan Dam produce?
Allegan Dam reported 11,715 MWh (11.7 GWh) of net generation in 2025, a 51.4% capacity factor on 2.6 MW of nameplate capacity.
Where is Allegan Dam?
Allegan Dam is in Allegan County, Michigan, at 42.5638, −85.9540. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Allegan Dam?
EIA-860M for August 2026 lists Consumers Energy Co - (MI) as the operator (EIA operator ID 4254). The operator is not always the owner.
When did Allegan Dam start operating?
Its first generator began operating in January 1935, according to EIA-860M.
Does InfraMap have power prices for Allegan Dam?
Yes. InfraMap has MISO day-ahead and real-time prices at 1 price node linked to Allegan Dam, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
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)
- MISO day-ahead and real-time prices; node and hub assignments as of 2026-10-05
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page