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168.6 MW Wind operating in Gratiot, MI — Midcontinent Independent Transmission System Operator, Inc..
168.6 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2020
Operating Since
Coordinates
43.2802, -84.4676
County
Gratiot, MI
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | DTE Electric Company | DTE Electric | — |
| Owner(s) | DTE Electric Company | DTE Energy | — |
| Status | Operating | operating | — |
Polaris Wind Park is a 168.6 MW wind power plant located in Gratiot County, Michigan. The facility, which began operating in 2020, is owned and operated by DTE Electric Company, a subsidiary of DTE Energy. The plant utilizes a single generator consisting of multiple onshore wind turbines manufactured by GE Wind, specifically the GE2.5-127 model. These turbines have a rotor diameter of 127 meters and a hub height of 89 meters. Polaris Wind Park interconnects to the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority.
In its most recent year of operation, Polaris Wind Park generated 454,620 MWh of electricity, achieving a capacity factor of 30.8%. The plant is ranked as the 7th largest wind farm in Michigan out of 19, and 422nd nationally out of 734. Financial data indicates an installed cost of $1630.85 per kW, as reported to FERC.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
345.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
54.6K MWh
Latest Month
454.6K MWh
Annual Generation
30.8%
Capacity Factor
Wind · DTE Electric Company · Data from 2020–2024
$1,534/kW
Installed Cost
$9240.0/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Market Position
ISO/RTO Market
MISO
LMP Node
—
Pricing Hub
MICHIGAN.HUB
Node Source
Shared substation inference
Last updated 2026-03-26
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