Gratiot Wind Park
Wind power plant in Gratiot County, Michigan. 102 MW of nameplate capacity across 1 generator, operated by DTE Electric Company.
Also known as EIA plant 57421
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 102 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- November 2011First generator online
- Operator
- DTE Electric CompanyEIA operator ID 5109
- Grid
- MISOBalancing authority MISO
- Price nodes
- 1 MISO nodeResource nodes with prices
- Location
- Gratiot County, MI43.4339, −84.4975
- EIA plant ID
- 57421EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Gratiot Wind Park produces
Free · EIA-923Net generation, 2025
235 GWh
234,941 MWh, final
Capacity factor, 2025
26.3%
2024: 24.0%
January to July 2026
126 GWh
Provisional
Range, 2015 to 2025
190.8–272.6
GWh a year. Low 2023, high 2015
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | 2,818 | Not reported | 12 of 12 |
| 2012 | 235,947 | Not reported | 12 of 12 |
| 2013 | 256,653 | 28.7% | 12 of 12 |
| 2014 | 264,422 | Not reported | 12 of 12 |
| 2015 | 272,576 | 30.5% | 12 of 12 |
| 2016 | 253,706 | 28.3% | 12 of 12 |
| 2017 | 260,814 | 29.2% | 12 of 12 |
| 2018 | 239,913 | 26.9% | 12 of 12 |
| 2019 | 252,916 | 28.3% | 12 of 12 |
| 2020 | 257,930 | 28.8% | 12 of 12 |
| 2021 | 233,685 | 26.2% | 12 of 12 |
| 2022 | 251,167 | 28.1% | 12 of 12 |
| 2023 | 190,752 | 21.3% | 12 of 12 |
| 2024 | 215,448 | 24.0% | 12 of 12 |
| 2025 | 234,941 | 26.3% | 12 of 12 |
| 2026 (provisional, partial year) | 126,426 | 24.4% | 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 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 | Onshore Wind Turbine | 102.0 | November 2011 |
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 DTE Electric Company as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Modeled curtailment
A range, not one number. The lower bound counts hours inside the production tax credit window; the upper bound is the no-credit case.
Expected vs reported generation
Monthly modeled expected output and physical potential next to EIA-923 reported output.
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Power plants near Gratiot Wind Park
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Questions about Gratiot Wind Park
How much power does Gratiot Wind Park produce?
Gratiot Wind Park reported 234,941 MWh (235 GWh) of net generation in 2025, a 26.3% capacity factor on 102 MW of nameplate capacity. From January to July 2026 it reported 126 GWh, which is provisional.
Where is Gratiot Wind Park?
Gratiot Wind Park is in Gratiot County, Michigan, at 43.4339, −84.4975. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Gratiot Wind Park?
EIA-860M for August 2026 lists DTE Electric Company as the operator (EIA operator ID 5109). The operator is not always the owner.
When did Gratiot Wind Park start operating?
Its first generator began operating in November 2011, according to EIA-860M.
Does InfraMap have power prices for Gratiot Wind Park?
Yes. InfraMap has MISO day-ahead and real-time prices at 1 price node linked to Gratiot Wind Park, 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
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page