Dominion Energy

Dominion Energy is one of the largest investor-owned electric and gas utilities in the United States, supplying electricity to roughly 3.5 million customers across Virginia and the Carolinas. Its Virginia subsidiary, Dominion Energy Virginia (formerly Virginia Electric and Power Company, trading as Dominion Virginia Power), operates the transmission and distribution network that carries power across a state that has become the world's most concentrated data-centre market, with Northern Virginia alone hosting more than a third of global data-centre capacity.

Dominion's flagship generation asset in the data-centre corridor is the North Anna Power Station on Lake Anna in Louisa County, a two-unit Westinghouse pressurised-water reactor with a combined output of approximately 1,892 MW. The plant uses Lake Anna as its primary condenser-cooling source, drawing water from the reservoir and discharging thermally treated water back into it. The station came online in 1978 (Unit 1) and 1980 (Unit 2) and operates under a Nuclear Regulatory Commission (NRC) licence; Dominion applied for a 20-year licence extension, reviewed by the NRC, that would allow operation until at least 2058. North Anna's output and the lake's thermal capacity are now shared context for the data-centre boom: Amazon's proposed 150-acre Louisa County campus sits directly adjacent to the plant and has applied for a VPDES permit to discharge up to 280,000 gallons a day of cooling water into Sedges Creek, a tributary of Lake Anna .

Dominion's strategic position in the data-centre boom is dual-edged. It is both the primary power supplier to hyperscale campuses across Virginia and the incumbent whose generation and transmission assets face the greatest incremental pressure from load growth. The company has filed for several major transmission projects in the PJM queue to serve new large-load customers, and it has publicly backed nuclear power as the long-run baseload solution for data-centre demand. Any degradation of Lake Anna's water quality from industrial discharge — whether from Amazon's proposed permit or from future applicants — would affect Dominion's condenser-intake chemistry at North Anna and could trigger NRC compliance questions, creating a regulatory externality beyond the VPDES process itself.