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United States › Power plants › Solar farms › Illinois

SOLAR FARMS

Granite City Solar

Granite City Solar is a 4.0 MW operating solar farm in Madison County, Illinois, operated by Nautilus Solar Solutions.

Plant statusOperating
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (completed)
  4. OperatingJun 2026 (current stage)
  5. Closed (not yet reached)

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Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
14233Solar Photovoltaic4.0 MW OperatingJun 2026

Plant details

Operator
Nautilus Solar Solutions
Location
Madison County, Illinois
Balancing authority
MISO
Sector
IPP Non-CHP
Capacity
Operating: 4.0 MW
First unit online
Jun 2026
EIA plant ID
70520

Location

38.7315, -90.1477

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