Where is Zion Energy Center?

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 Zion Energy Center?

597 MW of nameplate capacity across 3 units, as of the EIA-860M release for 2026-07.

Who owns Zion Energy Center?

EIA-860M names Zion Energy 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 Zion Energy Center LLC?

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

Is Zion Energy Center still running?

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

Zion Energy Center

Zion Energy Center is a 597 MW natural gas power plant in Lake County, Illinois, operated by Zion Energy LLC. EIA-860M lists 3 generating units here, inside PJM. Its units entered service between 2002 and 2003.

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: 596.7 MW; 478 MW net summer
Generating units: 3
In service: 2002–2003
EIA plant ID: 55392

Where it is

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County: Lake County, Illinois
Coordinates: 42.4776, -87.895
Balancing authority: PJM
Sector: IPP Non-CHP

Units, technology and status

Operator of record: Zion Energy LLC
Primary energy source: Natural gas
Technologies: Natural Gas Fired Combustion Turbine
Status: Operating

Every plant Zion Energy LLC reports to EIA →

Zion Energy Center: FAQ

Where is Zion Energy Center?: 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 Zion Energy Center?: 597 MW of nameplate capacity across 3 units, as of the EIA-860M release for 2026-07.
Who owns Zion Energy Center?: EIA-860M names Zion Energy 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 Zion Energy Center LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Zion Energy 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 "Zion Energy Center LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Zion Energy Center still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.