Where is Coffeen Solar BESS?

In Montgomery 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 Coffeen Solar BESS?

46 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.

Who owns Coffeen Solar BESS?

EIA-860M names Vistra Corp 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 Coffeen Solar BESS LLC?

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Vistra Corp 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 "Coffeen Solar BESS LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.

Is Coffeen Solar BESS still running?

EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.

Coffeen Solar BESS

Coffeen Solar BESS is a 46 MW solar farm in Montgomery County, Illinois, operated by Vistra Corp. EIA-860M lists 2 generating units here, inside MISO. Its units entered service in 2024.

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: 46.2 MW; 46.2 MW net summer
Generating units: 2
In service: 2024
EIA plant ID: 68147

Where it is

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County: Montgomery County, Illinois
Coordinates: 39.069, -89.3934
Balancing authority: MISO
Sector: IPP Non-CHP

Units, technology and status

Operator of record: Vistra Corp
Primary energy source: Solar
Technologies: Batteries, Solar Photovoltaic
Status: Operating

This site runs on more than one energy source. EIA-860M capacity splits: Solar 44 MW, Battery 2 MW. It is filed here under Solar, the source with the most capacity.

Every plant Vistra Corp reports to EIA →

Coffeen Solar BESS: FAQ

Where is Coffeen Solar BESS?: In Montgomery 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 Coffeen Solar BESS?: 46 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
Who owns Coffeen Solar BESS?: EIA-860M names Vistra Corp 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 Coffeen Solar BESS LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Vistra Corp 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 "Coffeen Solar BESS LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Coffeen Solar BESS still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.