Olney Solar II CSG

Olney Solar II CSG is a 2 MW solar farm in Richland County, Illinois, operated by Olney Solar II, 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
2 MW
2 MW net summer
Generating units
1
In service
2021
EIA plant ID
64043

Where it is

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County
Richland County, Illinois
Coordinates
38.7216, -88.1268
Balancing authority
MISO
Sector
IPP Non-CHP

Units, technology and status

Operator of record
Olney Solar II, LLC
Primary energy source
Solar
Technologies
Solar Photovoltaic
Status
Operating

Every plant Olney Solar II, LLC reports to EIA →

Olney Solar II CSG: FAQ

Where is Olney Solar II CSG?
In Richland 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 Olney Solar II CSG?
2 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Olney Solar II CSG?
EIA-860M names Olney Solar II, 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 Olney Solar II CSG LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Olney Solar II, 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 "Olney Solar II CSG LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Olney Solar II CSG still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.