St Clair — Plant Summary
- EIA Plant ID
- 1743
- Capacity
- 18.5 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combustion Turbine
- Status
- Operating
- Location
- St Clair, MI
- Operating Since
- 1968
- Generators
- 1
- Operator
- DTE Electric Company
- Parent Company
- DTE Energy
- Annual Generation
- 4,575 MWh
- Capacity Factor
- 2.9%
- Balancing Authority
- Midcontinent Independent Transmission System Operator, Inc..
- ISO/RTO
- MISO
- NERC Region
- RFC
St Clair
OperatingNatural Gas
Ranked #42 of 63 Natural Gas plants in MI#1357 of 2009 nationally
18.5 MW Natural Gas operating in St Clair, MI — Midcontinent Independent Transmission System Operator, Inc..
EIAWD
18.5 MW
Nameplate Capacity
1
Generators
unit
Natural Gas Fired Combustion Turbine
Technology
1968
Operating Since
Location
Coordinates
42.7642, -82.4719
County
St Clair, MI
Nearby Plants
- DeanNatural Gas357.6 MW · 1.4 km
- Blue Water Energy CenterNatural Gas1267.4 MW · 1.6 km
- Belle RiverDistillate Oil1664.4 MW · 2.3 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | DTE Electric Company | DTE Electric | — |
| Owner(s) | DTE Electric Company | DTE Energy | — |
| Status | Operating | — | — |
Ownership Chain
About
The Saint Clair Power Plant was a major coal- and oil-fired power plant owned by DTE Electric, a subsidiary of DTE Energy. It was located in St. Clair County, Michigan, on the west bank of St. Clair River. The plant was across M-29 from the newer Belle River Power Plant in East China, Michigan. The first four units of St. Clair were built in 1953–1954. Since then, three more generating units were added to the plant. The St. Clair Power Plant generated 1982 megawatts in total. It was Detroit Edison's second largest power producer. The power plant has a large impact on the local economy, employing about 300 workers. The plant shut down in May 2022.
Read more on WikipediaThe St Clair power plant is located in St Clair County, Michigan. It is owned by DTE Energy and operated by DTE Electric Company. The plant has a total capacity of 18.5 MW from a single natural gas-fired combustion turbine generator. The plant began operating in 1968.
In the most recent year with available data, the St Clair plant generated 4,575 MWh of electricity, resulting in a capacity factor of 2.9%. The plant operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority and the ReliabilityFirst Corporation (RFC) NERC region. St Clair ranks as the 41st largest power plant in Michigan out of 62, and 1330th nationally out of 1963 plants.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
RFC
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc..
Grid Voltage
345 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
0 MWh
Latest Month
4.6K MWh
Annual Generation
2.9%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Saint Clair Substation · 345 kV
Substation Distance
0 km
Operator
ITC
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
DECO.STCLAIR2
Pricing Hub
MICHIGAN.HUB
Node Source
Curated node match
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