How many power plants does Old Dominion Electric Coop operate?

EIA-860M lists 9 operating plants against “Old Dominion Electric Coop” for 2026-07, totalling 2 GW of nameplate capacity in 2 states.

Is Old Dominion Electric Coop 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.

Old Dominion Electric Coop power plants

Every generating plant EIA-860M files against Old Dominion Electric Coop for 2026-07: 9 plants, 2 GW of nameplate capacity, across 2 states and 2 energy sources.

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: 9
Nameplate capacity: 2 GW
States: 2; MD, VA
Energy sources: 2

Old Dominion Electric Coop plants by energy source

Natural gas3 plants · 2,256 MW
Petroleum6 plants · 26 MW

Full list of Old Dominion Electric Coop power plants

Power plants operated by Old Dominion Electric Coop

Wildcat Point Generation FacilityNatural Gas Fired Combined Cycle	Old Dominion Electric Coop	Cecil	1,113.6	3	2018	Operating
Marsh Run Generation FacilityNatural Gas Fired Combustion Turbine	Old Dominion Electric Coop	Fauquier	596.7	3	2004	Operating
Louisa Generation FacilityNatural Gas Fired Combustion Turbine	Old Dominion Electric Coop	Louisa	545.7	5	2003	Operating
Monterey Diesel Generation FacilityPetroleum Liquids	Old Dominion Electric Coop	Highland	6	10	2016	Operating
Ponton Diesel Generating FacilityPetroleum Liquids	Old Dominion Electric Coop	Amelia	4	2	2002	Standby/Backup
Nottoway Diesel Generating FacilityPetroleum Liquids	Old Dominion Electric Coop	Southampton	4	2	2002	Standby/Backup
Belle Haven Diesel Generation FacilityPetroleum Liquids	Old Dominion Electric Coop	Accomack	4	2	2002	Standby/Backup
Perdue Diesel Generation FacilityPetroleum Liquids	Old Dominion Electric Coop	Accomack	4	2	2002	Standby/Backup
Onancock Diesel Generation FacilityPetroleum Liquids	Old Dominion Electric Coop	Accomack	4	2	2002	Standby/Backup

Old Dominion Electric Coop: FAQ

How many power plants does Old Dominion Electric Coop operate?: EIA-860M lists 9 operating plants against “Old Dominion Electric Coop” for 2026-07, totalling 2 GW of nameplate capacity in 2 states.
Is Old Dominion Electric Coop 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.