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United States › Power plants › Solar farms › Illinois

SOLAR FARMS

Stephenson County IL S1

Stephenson County IL S1 is a 2.0 MW under construction solar farm in Stephenson County, Illinois, operated by SolAmerica Energy / Stephenson County IL S1, LLC.

Plant statusUnder construction
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (current stage)
  4. OperatingTarget Oct 2026 (not yet reached)
  5. Closed (not yet reached)

Planned start of operation reported to EIA: Oct 2026.

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Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
S1Solar Photovoltaic2.0 MW Under construction (over 50%)Target Oct 2026

Plant details

Operator
SolAmerica Energy / Stephenson County IL S1, LLC
Location
Stephenson County, Illinois
Balancing authority
PJM
Sector
IPP Non-CHP
Capacity
Under construction: 2.0 MW
EIA plant ID
70393

Location

42.3042, -89.5802

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