Millstadt IL 1, LLC

Millstadt IL 1, LLC is a 3 MW solar farm in St Clair County, Illinois, operated by SRC Partnership 16, LLC. EIA-860M lists 1 generating unit here, inside PJM. Its unit entered service in 2025.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Nameplate capacity
2.5 MW
2.5 MW net summer
Generating units
1
In service
2025
EIA plant ID
70266

Where it is

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County
St Clair County, Illinois
Coordinates
38.4823, -90.0441
Balancing authority
PJM
Sector
IPP Non-CHP

Units, technology and status

Operator of record
SRC Partnership 16, LLC
Primary energy source
Solar
Technologies
Solar Photovoltaic
Status
Operating

Every plant SRC Partnership 16, LLC reports to EIA →

Millstadt IL 1, LLC: FAQ

Where is Millstadt IL 1, LLC?
In St Clair County, Illinois (IL). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
How big is Millstadt IL 1, LLC?
3 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Millstadt IL 1, LLC?
EIA-860M names SRC Partnership 16, LLC as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
Is Millstadt IL 1, LLC still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.