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1071.3 MW Natural Gas Fired Combustion Turbine (256 MW) + Natural Gas Steam Turbine (815 MW) operating in St Clair, MI — Midcontinent Independent Transmission System Operator, Inc..
1,071.3 MW
Nameplate Capacity
4
Generators
units
Hybrid (2)
Technology
Natural Gas Fired Combustion Turbine + Natural Gas Steam Turbine
1979
Operating Since
Coordinates
43.1019, -82.6898
County
St Clair, MI
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | DTE Electric Company | DTE Electric | — |
| Owner(s) | DTE Electric Company | DTE Energy | — |
| Status | Operating | — | — |
The Greenwood plant is a 1071.3 MW hybrid power plant located in St. Clair County, Michigan. It began operating in 1979 and is owned and operated by DTE Energy, specifically DTE Electric Company. The plant utilizes both natural gas-fired combustion turbine and natural gas steam turbine technologies. It consists of 4 generators and is fueled primarily by natural gas.
Greenwood operates within the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority and the ReliabilityFirst Corporation (RFC) NERC region. The plant's latest annual generation was 1,249,697 MWh, resulting in a capacity factor of 13.2%. Greenwood ranks as the 6th largest power plant out of 25 in Michigan, and 151st out of 945 nationally.
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
166.4K MWh
Latest Month
1.2M MWh
Annual Generation
13.2%
Capacity Factor
CO₂ Intensity
1327 lb/MWh
NOx
1 lb/MWh
SO₂
0.008 lb/MWh
CH₄
0.024 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
10.9%
Annual Net Gen
1025 GWh
CO₂eq
1328 lb/MWh
Subregion
RFC Michigan
2013
$965/kW
Est. Construction Cost
Total estimated cost: $1.0B
Market Position
ISO/RTO Market
MISO
LMP Node
DECO.GRNWD1
Pricing Hub
MICHIGAN.HUB
Location Type
Generation Node
Node Source
Curated node match
Last updated 2026-03-14
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