v3.26.1
Significant Financing Transactions (Commercial Paper, Bank Loans and Letters of Credit Outstanding) (Detail)
Jun. 30, 2026
USD ($)
Line of Credit Facility [Line Items]  
Facility Limit $ 8,000,000,000
Outstanding Commercial Paper 2,087,000,000
Outstanding Letters of Credit 4,000,000
Facility Capacity Available 5,909,000,000
Joint Revolving Credit Facility  
Line of Credit Facility [Line Items]  
Facility Limit 7,000,000,000 [1]
Outstanding Commercial Paper 2,087,000,000 [1]
Outstanding Letters of Credit 4,000,000 [1]
Facility Capacity Available 4,909,000,000 [1]
Supplemental Revolving Credit Facility  
Line of Credit Facility [Line Items]  
Facility Limit 1,000,000,000 [2]
Outstanding Commercial Paper 0 [2]
Facility Capacity Available 1,000,000,000 [2]
Virginia Electric and Power Company  
Line of Credit Facility [Line Items]  
Facility Limit 7,000,000,000 [3]
Outstanding Commercial Paper 992,000,000 [3]
Outstanding Letters of Credit $ 1,000,000 [3]
[1] This credit facility matures in April 2031 in accordance with the extension exercised by the borrowers in April 2026, with the potential to be further extended by the borrowers to April 2032, and can be used by the borrowers under the credit facility to support bank borrowings and the issuance of commercial paper, as well as to support up to a combined $3.0 billion of letters of credit, for working capital and other general corporate purposes.
[2] This credit facility, entered into in April 2026 with certain lenders, matures in April 2028, with the potential to be extended by Dominion Energy to April 2029, contains a maximum allowed total debt to total capital ratio consistent with such allowed ratio under Dominion Energy’s joint revolving credit facility and can be used to support bank borrowings and the issuance of commercial paper.
[3] The full amount of the facility is available to Virginia Power, less any amounts outstanding to co-borrowers Dominion Energy and DESC. The sub-limit for Virginia Power is set pursuant to the terms of the facility but can be changed at the option of the borrowers multiple times per year. At June 30, 2026, the sub-limit for Virginia Power was $4.0 billion. If Virginia Power has liquidity needs in excess of its current sub-limit, the sub-limit may be changed or such needs may be satisfied through short-term intercompany borrowings from
Dominion Energy. This credit facility matures in April 2031 in accordance with the extension exercised by the borrowers in April 2026, with the potential to be further extended by the borrowers to April 2032, and can be used to support bank borrowings and the issuance of commercial paper, as well as to support up to $3.0 billion (or the sub-limit, whichever is less) of letters of credit, for working capital and other general corporate purposes.