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357.6 MW Natural Gas operating in St Clair, MI — Midcontinent Independent Transmission System Operator, Inc..
357.6 MW
Nameplate Capacity
4
Generators
units
Natural Gas Fired Combustion Turbine
Technology
2002
Operating Since
Coordinates
42.7741, -82.4820
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 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
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
43.3K MWh
Latest Month
770.1K MWh
Annual Generation
24.3%
Capacity Factor
CO₂ Intensity
1433 lb/MWh
NOx
0.308 lb/MWh
SO₂
Gas turbine · DTE Electric Company · Data from 2016–2024
$391/kW
Installed Cost
$-41/kW
Annual CapEx
$27.3/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Point of Interconnection
Nearest Substation
Blue Water Substation · 345 kV
Substation Distance
0.014 km
Operator
ITC
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
DECO.BWEC.11
Pricing Hub
MICHIGAN.HUB
Location Type
Generation Node
Node Source
Curated node match
Last updated 2026-03-26
View all articlesNo ask pi reports yet for this entity.
ask pi about DeanMidcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
120.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
0.007 lb/MWh
CH₄
0.026 lb/MWh
N₂O
0.003 lb/MWh
Capacity Factor
18.8%
Annual Net Gen
589 GWh
CO₂eq
1435 lb/MWh
Subregion
RFC Michigan