Polaris Wind Park
Wind power plant in Gratiot County, Michigan. 168.6 MW of nameplate capacity across 1 generator, operated by DTE Electric Company.
Also known as Polaris · EIA plant 62290
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 168.6 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- May 2020First generator online
- Operator
- DTE Electric CompanyEIA operator ID 5109
- Grid
- MISOBalancing authority MISO
- Price nodes
- 1 MISO nodeResource nodes with prices
- Location
- Gratiot County, MI43.2626, −84.4998
- EIA plant ID
- 62290EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Polaris Wind Park produces
Free · EIA-923Net generation, 2025
455 GWh
454,620 MWh, final
Capacity factor, 2025
30.8%
2024: 28.7%
January to July 2026
289 GWh
Provisional
Range, 2021 to 2025
412.7–498.9
GWh a year. Low 2023, high 2022
| 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 | Not reported | Not reported | 0 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | Not reported | Not reported | 0 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | Not reported | Not reported | 0 of 12 |
| 2018 | Not reported | Not reported | 0 of 12 |
| 2019 | Not reported | Not reported | 0 of 12 |
| 2020 | 301,028 | Not reported | 8 of 12 |
| 2021 | 442,079 | 29.9% | 12 of 12 |
| 2022 | 498,939 | 33.8% | 12 of 12 |
| 2023 | 412,674 | 27.9% | 12 of 12 |
| 2024 | 425,113 | 28.7% | 12 of 12 |
| 2025 | 454,620 | 30.8% | 12 of 12 |
| 2026 (provisional, partial year) | 289,176 | 33.7% | 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 | 168.6 | May 2020 |
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 Polaris Wind Park
More plants operated by DTE Electric Company
Questions about Polaris Wind Park
How much power does Polaris Wind Park produce?
Polaris Wind Park reported 454,620 MWh (455 GWh) of net generation in 2025, a 30.8% capacity factor on 168.6 MW of nameplate capacity. From January to July 2026 it reported 289 GWh, which is provisional.
Where is Polaris Wind Park?
Polaris Wind Park is in Gratiot County, Michigan, at 43.2626, −84.4998. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Polaris 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 Polaris Wind Park start operating?
Its first generator began operating in May 2020, according to EIA-860M.
Does InfraMap have power prices for Polaris Wind Park?
Yes. InfraMap has MISO day-ahead and real-time prices at 1 price node linked to Polaris 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
- Project names from the USGS U.S. Wind Turbine Database
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page