Where is Middletown Energy Center?

In Butler County, Ohio (OH). 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 Middletown Energy Center?

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

Who owns Middletown Energy Center?

EIA-860M names Ohio Power Partners, 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 Middletown Energy Center LLC?

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

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

Middletown Energy Center

Middletown Energy Center is a 544 MW natural gas power plant in Butler County, Ohio, operated by Ohio Power Partners, LLC. EIA-860M lists 2 generating units here, inside PJM. Its units entered service in 2018.

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: 543.9 MW; 462.5 MW net summer
Generating units: 2
In service: 2018
EIA plant ID: 59326

Where it is

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County: Butler County, Ohio
Coordinates: 39.465, -84.3478
Balancing authority: PJM
Sector: IPP Non-CHP

Units, technology and status

Operator of record: Ohio Power Partners, LLC
Primary energy source: Natural gas
Technologies: Natural Gas Fired Combined Cycle
Status: Operating

Every plant Ohio Power Partners, LLC reports to EIA →

Middletown Energy Center: FAQ

Where is Middletown Energy Center?: In Butler County, Ohio (OH). 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 Middletown Energy Center?: 544 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
Who owns Middletown Energy Center?: EIA-860M names Ohio Power Partners, 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 Middletown Energy Center LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Ohio Power Partners, 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 "Middletown 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 Middletown Energy Center still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.