Dean — Plant Summary
- EIA Plant ID
- 55718
- Capacity
- 357.6 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combustion Turbine
- Status
- Operating
- Location
- St Clair, MI
- Operating Since
- 2002
- Generators
- 4
- Operator
- DTE Electric Company
- Parent Company
- DTE Energy
- Annual Generation
- 770,054.99 MWh
- Capacity Factor
- 24.3%
- Balancing Authority
- Midcontinent Independent Transmission System Operator, Inc..
- ISO/RTO
- MISO
- NERC Region
- RFC
Dean
OperatingNatural Gas
Ranked #14 of 63 Natural Gas plants in MI#586 of 2009 nationally
357.6 MW Natural Gas operating in St Clair, MI — Midcontinent Independent Transmission System Operator, Inc..
EIAWD
357.6 MW
Nameplate Capacity
4
Generators
units
Natural Gas Fired Combustion Turbine
Technology
2002
Operating Since
Location
Coordinates
42.7741, -82.4820
County
St Clair, MI
Nearby Plants
- Blue Water Energy CenterNatural Gas1267.4 MW · 0.3 km
- Belle RiverDistillate Oil1664.4 MW · 1.1 km
- St ClairNatural Gas18.5 MW · 1.4 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 Dean power plant, located in St. Clair County, Michigan, has a total capacity of 357.6 MW. The plant, which began operating in 2002, is owned by DTE Energy and operated by DTE Electric Company. It utilizes four natural gas-fired combustion turbine generators. Dean is connected to the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority and resides within the ReliabilityFirst Corporation (RFC) NERC region.
In the most recent year of reported data, the plant generated 770,055 MWh, achieving a capacity factor of 24.3%. Dean ranks as the 14th largest power plant out of 25 in Michigan, and 588th out of 945 nationally. Financial data indicates an installed cost of $410.08 per kW, based on FERC filings.
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
120 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
43.3K MWh
Latest Month
770.1K MWh
Annual Generation
24.3%
Capacity Factor
Jan 2022 – Dec 2024
Financial DataBeta
Source: FERC Form 1HIGH
$391/kW
Installed Cost
$27.3/MWh
Operating Cost
DTE Electric Company
Reporting Utility
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Blue Water Substation · 345 kV
Substation Distance
0 km
Operator
ITC
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
DECO.DEAN12
Pricing Hub
MICHIGAN.HUB
Node Source
Curated node match
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