Cornillie Solar CSG

Cornillie Solar CSG is a 1 MW solar farm in Chisago County, Minnesota, operated by Madison Energy Holdings LLC. EIA-860M lists 1 generating unit here, inside MISO. Its unit entered service in 2021.

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
1 MW
1 MW net summer
Generating units
1
In service
2021
EIA plant ID
64992

Where it is

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County
Chisago County, Minnesota
Coordinates
45.4593, -92.8978
Balancing authority
MISO
Sector
IPP Non-CHP

Units, technology and status

Operator of record
Madison Energy Holdings LLC
Primary energy source
Solar
Technologies
Solar Photovoltaic
Status
Operating

Every plant Madison Energy Holdings LLC reports to EIA →

Cornillie Solar CSG: FAQ

Where is Cornillie Solar CSG?
In Chisago County, Minnesota (MN). 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 Cornillie Solar CSG?
1 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Cornillie Solar CSG?
EIA-860M names Madison Energy Holdings LLC as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
Is this the same as Cornillie Solar CSG LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Madison Energy Holdings LLC here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "Cornillie Solar CSG LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Cornillie Solar CSG still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.