Where is Ontelaunee Energy Center?

In Berks County, Pennsylvania (PA). 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 Ontelaunee Energy Center?

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

Who owns Ontelaunee Energy Center?

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

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Ontelaunee Energy Center 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 "Ontelaunee 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 Ontelaunee Energy Center still running?

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

Ontelaunee Energy Center

Ontelaunee Energy Center is a 728 MW natural gas power plant in Berks County, Pennsylvania, operated by Ontelaunee Energy Center. EIA-860M lists 3 generating units here, inside PJM. Its units entered service in 2002.

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: 728 MW; 545.9 MW net summer
Generating units: 3
In service: 2002
EIA plant ID: 55193

Where it is

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County: Berks County, Pennsylvania
Coordinates: 40.4219, -75.9356
Balancing authority: PJM
Sector: IPP Non-CHP

Units, technology and status

Operator of record: Ontelaunee Energy Center
Primary energy source: Natural gas
Technologies: Natural Gas Fired Combined Cycle
Status: Operating

Every plant Ontelaunee Energy Center reports to EIA →

Ontelaunee Energy Center: FAQ

Where is Ontelaunee Energy Center?: In Berks County, Pennsylvania (PA). 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 Ontelaunee Energy Center?: 728 MW of nameplate capacity across 3 units, as of the EIA-860M release for 2026-07.
Who owns Ontelaunee Energy Center?: EIA-860M names Ontelaunee Energy Center 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 Ontelaunee Energy Center LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Ontelaunee Energy Center 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 "Ontelaunee 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 Ontelaunee Energy Center still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.