Waukegan

Waukegan is a 112 MW oil-fired power plant in Lake County, Illinois, operated by Midwest Generations EME LLC. EIA-860M lists 4 generating units here, inside PJM. Its units entered service in 1968.

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
112 MW
107.8 MW net summer
Generating units
4
In service
1968
EIA plant ID
883

Where it is

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County
Lake County, Illinois
Coordinates
42.3833, -87.8133
Balancing authority
PJM
Sector
IPP Non-CHP

Units, technology and status

Operator of record
Midwest Generations EME LLC
Primary energy source
Petroleum
Technologies
Petroleum Liquids
Status
Standby/Backup

Every plant Midwest Generations EME LLC reports to EIA →

Waukegan: FAQ

Where is Waukegan?
In Lake 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 Waukegan?
112 MW of nameplate capacity across 4 units, as of the EIA-860M release for 2026-07.
Who owns Waukegan?
EIA-860M names Midwest Generations EME 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 Waukegan LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Midwest Generations EME 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 "Waukegan LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Waukegan still running?
EIA-860M files it as "Standby/Backup" for 2026-07. Statuses change monthly, and this page follows the monthly release.