Gratiot County Wind LLC
Wind power plant in Gratiot County, Michigan. 110.4 MW of nameplate capacity across 1 generator, operated by Invenergy Services LLC.
Also known as EIA plant 58677
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 110.4 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- May 2012First generator online
- Operator
- Invenergy Services LLCEIA operator ID 49893
- Grid
- MISOBalancing authority MISO
- Price nodes
- 1 MISO nodeResource nodes with prices
- Location
- Gratiot County, MI43.4081, −84.4622
- EIA plant ID
- 58677EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Gratiot County Wind produces
Free · EIA-923Net generation, 2025
262 GWh
262,348 MWh, final
Capacity factor, 2025
27.1%
2024: 23.6%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
228.1–304.5
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 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | 287,589 | 29.7% | 12 of 12 |
| 2014 | 295,928 | 30.6% | 12 of 12 |
| 2015 | 304,520 | 31.5% | 12 of 12 |
| 2016 | 284,051 | 29.3% | 12 of 12 |
| 2017 | 291,459 | 30.1% | 12 of 12 |
| 2018 | 286,679 | 29.6% | 12 of 12 |
| 2019 | 282,708 | 29.2% | 12 of 12 |
| 2020 | 271,620 | 28.0% | 12 of 12 |
| 2021 | 253,180 | 26.2% | 12 of 12 |
| 2022 | 284,976 | 29.5% | 12 of 12 |
| 2023 | 228,114 | 23.6% | 12 of 12 |
| 2024 | 228,407 | 23.6% | 12 of 12 |
| 2025 | 262,348 | 27.1% | 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 | Onshore Wind Turbine | 110.4 | May 2012 |
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 Invenergy Services LLC 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 County Wind
More plants operated by Invenergy Services LLC
Questions about Gratiot County Wind
How much power does Gratiot County Wind LLC produce?
Gratiot County Wind LLC reported 262,348 MWh (262 GWh) of net generation in 2025, a 27.1% capacity factor on 110.4 MW of nameplate capacity.
Where is Gratiot County Wind LLC?
Gratiot County Wind LLC is in Gratiot County, Michigan, at 43.4081, −84.4622. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Gratiot County Wind LLC?
EIA-860M for August 2026 lists Invenergy Services LLC as the operator (EIA operator ID 49893). The operator is not always the owner.
When did Gratiot County Wind LLC start operating?
Its first generator began operating in May 2012, according to EIA-860M.
Does InfraMap have power prices for Gratiot County Wind LLC?
Yes. InfraMap has MISO day-ahead and real-time prices at 1 price node linked to Gratiot County Wind LLC, 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