Electric utilities; high energy demand customers; demand flexibility programs; reports. Directs Dominion Energy and Appalachian Power to file a petition with the State Corporation Commission by January 1, 2027, for voluntary demand flexibility programs that apply to high energy demand customers, as defined in the bill. The bill requires the Commission to consider all forms of demand flexibility and other specific factors in approving each such program. The bill directs each cooperative that serves one or more high energy demand customers to establish a voluntary demand flexibility program for such customers by January 1, 2029. Under the bill, Dominion and Appalachian Power are required to file status reports on their demand flexibility programs with the Commission three years after initial program approval and every three years thereafter. Additionally, in 2028 and annually thereafter, the Commission is required to submit information summarizing the status and performance of such programs as part of an existing report.