Power plant · Illinois, United States

Southeast Chicago Energy Project

Southeast Chicago Energy Project is a closed gas power plant in Illinois, United States, with 407 MW of capacity, operated by Constellation Power, Inc.

Grid connection

It closed in 2024, which freed up a 407 MW grid connection at 138 kV to the grid of Commonwealth Edison Co, unless it has been reassigned since.

Retiring power plants in the United States

Facts

Every value links to its source, and to the source's own record where it has one. Licences and last-checked dates are per row.

FactValueSource
LocationIllinoisEIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
StatusClosedEIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Start year2002EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
End year2024EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
OperatorConstellation Power, IncEIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Capacity407 MW (nameplate of its retired generators)EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
TechnologyNatural Gas Fired Combustion TurbineEIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Grid operatorCommonwealth Edison CoEIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Voltage138 kVEIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Coordinates41.7181, -87.5449EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026

Research on this power plant and its operator.Who owns it up to the parent company, its grid connection and planning status, and an introduction to the operator.

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How it compares

Southeast Chicago Energy Project is the 37th-largest of 39 power plants in Illinois and the 856th-largest of 1,009 in the United States by capacity; its 407 MW is <0.1% of the 917,512 MW we hold for the United States. Ranks and totals cover the power plants in our data that report their capacity, not every one in existence. Power plants planned, permitted or under construction are ranked apart.

WithinRankTotalShare
Illinois37th of 3940,106 MW1%
United States856th of 1,009917,512 MW<0.1%
All power plants in our data1,394th of 15,7991,918,113 MW<0.1%

Timeline

Dated facts about this power plant from its sources, oldest first.

  1. Started operating
  2. Retired

Nearby

Within 50 km of this power plant: 41 data centers, 3 mines and 2 AI supercomputers, measured from the coordinates in the facts above. The table shows the nearest 8, up to 3 per kind.

NameKindSizeStatusDistance
Digital CrossroadData center——2.4 km
Digital Realty ORD10Data center——16 km
Centersquare Chicago Data Center - ORD1Data center——16 km
Thornton QuarryMine—Operating18 km
McCook QuarryMine—Operating25 km
Argonne NL PolarisAI supercomputer706 H100eOperating36 km
Romeo QuarryMine—Operating45 km
Vultr Chicago ClusterAI supercomputer3,964 H100eOperating47 km

Operator, grid operator and place

More from Constellation Power, Inc

Other power plants in Illinois

All 62 power plants in Illinois, United States

Data on this page