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United States › Power plants › Coal power plants › Illinois

COAL POWER PLANTS

Dallman

Dallman is a 230 MW operating coal power plant in Sangamon County, Illinois, operated by City of Springfield - (IL).

Plant statusOperating
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (completed)
  4. OperatingJun 1968 (current stage)
  5. ClosedMar 2024 (not yet reached)

This plant has generators at more than one stage; see the table below.

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Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
4Conventional Steam Coal230 MW OperatingMay 2009
3Conventional Steam Coal207 MW RetiredJun 1978Mar 2024
1Conventional Steam Coal90 MW RetiredJun 1968Dec 2020
2Conventional Steam Coal90 MW RetiredJun 1972Dec 2020

Plant details

Operator
City of Springfield - (IL)
Location
Sangamon County, Illinois
Balancing authority
MISO
Sector
Electric Utility
Capacity
Operating: 230 MW
Retired: 388 MW
First unit online
Jun 1968
EIA plant ID
963

Location

39.7548, -89.6024

Nearby power plants

Source: U.S. Energy Information Administration, Form EIA-860M, September 2026. Planned dates are targets reported by the developer and often change. Report a problem