Where is Solon Diesel?

In Douglas County, Wisconsin (WI). 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 Solon Diesel?

8 MW of nameplate capacity across 8 units, as of the EIA-860M release for 2026-07.

Who owns Solon Diesel?

EIA-860M names Dahlberg Light & Power Co 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 Solon Diesel LLC?

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Dahlberg Light & Power Co 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 "Solon Diesel LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.

Is Solon Diesel still running?

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

Solon Diesel

Solon Diesel is a 8 MW oil-fired power plant in Douglas County, Wisconsin, operated by Dahlberg Light & Power Co. EIA-860M lists 8 generating units here, inside MISO. Its units entered service between 1988 and 1995.

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: 8 MW; 6.4 MW net summer
Generating units: 8
In service: 1988–1995
EIA plant ID: 7058

Where it is

Loading map…

County: Douglas County, Wisconsin
Coordinates: 46.359, -91.8236
Balancing authority: MISO
Sector: Electric Utility

Units, technology and status

Operator of record: Dahlberg Light & Power Co
Primary energy source: Petroleum
Technologies: Petroleum Liquids
Status: Standby/Backup

Every plant Dahlberg Light & Power Co reports to EIA →

Solon Diesel: FAQ

Where is Solon Diesel?: In Douglas County, Wisconsin (WI). 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 Solon Diesel?: 8 MW of nameplate capacity across 8 units, as of the EIA-860M release for 2026-07.
Who owns Solon Diesel?: EIA-860M names Dahlberg Light & Power Co 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 Solon Diesel LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Dahlberg Light & Power Co 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 "Solon Diesel LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Solon Diesel still running?: EIA-860M files it as "Standby/Backup" for 2026-07. Statuses change monthly, and this page follows the monthly release.