McDonough Solar 1, LLC CSG
McDonough Solar 1, LLC CSG is a 4 MW solar farm in McDonough County, Illinois, operated by McDonough Solar 1, LLC. EIA-860M lists 2 generating units here, inside MISO. Its units entered service in 2020.
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
- 4 MW
- 4 MW net summer
- Generating units
- 2
- In service
- 2020
- EIA plant ID
- 64201
Where it is
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- County
- McDonough County, Illinois
- Coordinates
- 40.5554, -90.8511
- Balancing authority
- MISO
- Sector
- IPP Non-CHP
Units, technology and status
- Operator of record
- McDonough Solar 1, LLC
- Primary energy source
- Solar
- Technologies
- Solar Photovoltaic
- Status
- Operating
McDonough Solar 1, LLC CSG: FAQ
- Where is McDonough Solar 1, LLC CSG?
- In McDonough 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 McDonough Solar 1, LLC CSG?
- 4 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
- Who owns McDonough Solar 1, LLC CSG?
- EIA-860M names McDonough Solar 1, 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 McDonough Solar 1, LLC CSG LLC?
- Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — McDonough Solar 1, 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 "McDonough Solar 1, LLC CSG LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
- Is McDonough Solar 1, LLC CSG still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.