How many power plants does Monongahela Power operate?

EIA-860M lists 5 operating plants against “Monongahela Power Co” for 2026-07, totalling 3 GW of nameplate capacity in 1 state.

Is Monongahela Power the owner of these plants?

EIA-860M names one reporting entity per generator. That entity operates the plant on the survey; ownership can sit with a parent, a partnership or a tax-equity structure that the form does not record.

Why are affiliates listed separately?

Because EIA files them separately. Rolling subsidiaries into a parent would need an ownership map EIA-860M does not publish, so this page does not invent one.

Monongahela Power plants

Every generating plant EIA-860M files against Monongahela Power for 2026-07: 5 plants, 3 GW of nameplate capacity, across 1 state and 2 energy sources.

EIA files this entity as “Monongahela Power Co”.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Plants: 5
Nameplate capacity: 3 GW
States: 1; WV
Energy sources: 2

Monongahela Power plants by energy source

Coal2 plants · 3,204 MW
Solar3 plants · 30 MW

Full list of Monongahela Power plants

Power plants operated by Monongahela Power Co

FirstEnergy Harrison Power StationConventional Steam Coal	Monongahela Power Co	Harrison	2,052	3	1972	Operating
FirstEnergy Fort Martin Power StationConventional Steam Coal	Monongahela Power Co	Monongalia	1,152	2	1967	Operating
Fort Martin SolarSolar Photovoltaic	Monongahela Power Co	Monongalia	18.9	1	2024	Operating
Marlowe SolarSolar Photovoltaic	Monongahela Power Co	Berkeley	5.8	1	2025	Operating
Rivesville SolarSolar Photovoltaic	Monongahela Power Co	Marion	5.5	1	2024	Operating

Monongahela Power: FAQ

How many power plants does Monongahela Power operate?: EIA-860M lists 5 operating plants against “Monongahela Power Co” for 2026-07, totalling 3 GW of nameplate capacity in 1 state.
Is Monongahela Power the owner of these plants?: EIA-860M names one reporting entity per generator. That entity operates the plant on the survey; ownership can sit with a parent, a partnership or a tax-equity structure that the form does not record.
Why are affiliates listed separately?: Because EIA files them separately. Rolling subsidiaries into a parent would need an ownership map EIA-860M does not publish, so this page does not invent one.