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Long-Term Debt (Tables) | 12 Months Ended
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Dec. 31, 2023
Debt Disclosure [Abstract] |
Long term Debt |
|  | 2023 Weighted- average Coupon(1) |  |  |  | Dominion Energy |  |  | Virginia Power |
At December 31, |  |  |  |  |  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
(millions, except percentages) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term Loans, variable rate, due 2024 |  |  | 6.52 | % |  |  | $ | 4,750 |  |  | $ | — |  |  |  |  |  |  |
Sustainability Revolving Credit Agreement, variable rate, due 2024(2) |  |  | 6.28 | % |  |  |  | 450 |  |  |  | 450 |  |  |  |  |  |  |
Unsecured Senior Notes: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Variable rate, due 2023 |  |  |  |  |  |  | — |  |  |  | 1,000 |  |  |  |  |  |  |
1.45% to 7.00%, due 2023 to 2052(3) |  |  | 4.14 | % |  |  |  | 11,476 |  |  |  | 12,476 |  |  |  |  |  |  |
Unsecured Junior Subordinated Notes: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
3.071% due 2024 |  |  | 3.07 | % |  |  |  | 700 |  |  |  | 700 |  |  |  |  |  |  |
Payable to Affiliated Trust, 8.4%, due 2031 |  |  | 8.40 | % |  |  |  | 10 |  |  |  | 10 |  |  |  |  |  |  |
Enhanced Junior Subordinated Notes: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
5.75% due 2054 |  |  | 5.75 | % |  |  |  | 685 |  |  |  | 685 |  |  |  |  |  |  |
Virginia Electric and Power Company: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unsecured Senior Notes, 2.30% to 8.875%, due 2023 to 2053 |  |  | 4.25 | % |  |  |  | 16,935 |  |  |  | 15,135 |  |  | $ | 16,935 |  |  | $ | 15,135 |
Tax-Exempt Financings, 0.75% to 3.65%, due 2032 to 2041(4) |  |  | 1.77 | % |  |  |  | 625 |  |  |  | 625 |  |  |  | 625 |  |  |  | 625 |
DECP Holdings, Term Loan, variable rate, due 2024(5) |  |  |  |  |  |  | — |  |  |  | 2,349 |  |  |  |  |  |  |
DESC: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
First Mortgage Bonds, 2.30% to 6.625%, due 2028 to 2065 |  |  | 5.23 | % |  |  |  | 4,134 |  |  |  | 3,634 |  |  |  |  |  |  |
Tax-Exempt Financings(6): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Variable rate due 2038 |  |  | 3.87 | % |  |  |  | 35 |  |  |  | 35 |  |  |  |  |  |  |
3.625% and 4.00%, due 2028 and 2033 |  |  | 3.90 | % |  |  |  | 54 |  |  |  | 54 |  |  |  |  |  |  |
GENCO, variable rate due 2038 |  |  | 3.87 | % |  |  |  | 33 |  |  |  | 33 |  |  |  |  |  |  |
Other |  |  | 3.61 | % |  |  |  | 1 |  |  |  | 1 |  |  |  |  |  |  |
Secured Senior Notes, 4.82%, due 2042(7) |  |  | 4.82 | % |  |  |  | 291 |  |  |  | 308 |  |  |  |  |  |  |
Tax-Exempt Financing, 3.80% due 2033 |  |  | 3.80 | % |  |  |  | 27 |  |  |  | 27 |  |  |  |  |  |  |
Total Principal |  |  |  |  |  | $ | 40,206 |  |  | $ | 37,522 |  |  | $ | 17,560 |  |  | $ | 15,760 |
Securities due within one year and supplemental credit facility borrowings(7)(8) |  |  |  |  |  |  | (6,839 | ) |  |  | (2,848 | ) |  |  | (350 | ) |  |  | (700 | )
Unamortized discount, premium and debt issuance costs, net |  |  |  |  |  |  | (311 | ) |  |  | (322 | ) |  |  | (167 | ) |  |  | (144 | )
Derivative restructuring(9) |  |  |  |  |  |  | — |  |  |  | 141 |  |  |  | — |  |  |  | — |
Finance leases |  |  |  |  |  |  | 192 |  |  |  | 91 |  |  |  | 72 |  |  |  | 65 |
Total long-term debt |  |  |  |  |  | $ | 33,248 |  |  | $ | 34,584 |  |  | $ | 17,115 |  |  | $ | 14,981 |
(1) Represents weighted-average coupon rates for debt outstanding as of December 31, 2023. (2) This $900 million supplemental credit facility, entered in 2021, offers a reduced interest rate margin with respect to borrowed amounts allocated to certain environmental sustainability or social investment initiatives. Proceeds of the supplemental credit facility also may be used for general corp orate purposes, but such proceeds are not eligible for a reduced interest rate margin. In May 2022, Dominion Energy borrowed $900 million. The proceeds from these borrowings were used to support environmental sustainability and social investment initiatives ($450 million) and for general corporate purposes ($450 million). In June 2022, Dominion Energy repaid $450 million borrowed for general corporate purposes. In March 2023, Dominion Energy borrowed $450 million with the proceeds used for general corporate purposes. In April 2023, Dominion Energy repaid $450 million borrowed for general corporate purposes. In September 2023, Dominion Energy borrowed $450 million under this facility with the proceeds used for general corporate purposes. In October 2023, Dominion Energy repaid $450 million borrowed for general corporate purposes. (3) Includes debt assumed by Dominion Energy from the merger of its former CNG subsidiary. (4) These financings relate to certain pollution control equipment at Virginia Power’s generating facilities. (5) In connection with the sale of Dominion Energy’s interest in Cove Point, described further in Note 9, DECP Holdings’ outstanding term loan balance of $2.2 billion was repaid in September 2023. This term loan was scheduled to mature in December 2024. (6) Industrial revenue bonds totaling $68 million are secured by letters of credit that expire, subject to renewal, in the fourth quarter of 2024. (7) Represents debt associated with Eagle Solar. In February 2024, Eagle Solar redeemed the remaining principal outstanding of $279 million. The debt which otherwise would have matured in 2042 was nonrecourse to Dominion Energy and was secured by Eagle Solar's interest in certain solar facilities. As such, these borrowings are presented within securities due within one year in Dominion Energy’s Consolidated Balance Sheets at December 31, 2023. (8) Dominion Energy and Virginia Power’s weighted-average rate for securities due within one year was 5.79% and 3.45%, respectively, as of December 31, 2023. (9) Excludes $143 million at December 31, 2023 for Dominion Energy and $447 million at December 31, 2022, for both Dominion Energy and Virginia Power, representing the current portion which is presented within securities due within one year in the Companies’ Consolidated Balance Sheets.
Schedule Of Principal Payments Of Long Term Debt | Based on stated maturity dates rather than early redemption dates that could be elected by instrument holders, the scheduled principal payments of long-term debt, at December 31, 2023 were as follows:
| 2024 |  | 2025 |  | 2026 |  | 2027 |  | 2028 |  | Thereafter |  | Total |
(millions, except percentages) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dominion Energy |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term Loans | $ | 4,750 |  | $ | — |  | $ | — |  | $ | — |  | $ | — |  | $ | — |  | $ | 4,750 |
Sustainability Revolving Credit Agreement |  | 450 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 450 |
First Mortgage Bonds |  | — |  |  | — |  |  | — |  |  | — |  |  | 53 |  |  | 4,081 |  |  | 4,134 |
Unsecured Senior Notes |  | 650 |  |  | 1,500 |  |  | 2,120 |  |  | 1,783 |  |  | 1,195 |  |  | 21,164 |  |  | 28,412 |
Secured Senior Notes(1) |  | 31 |  |  | 19 |  |  | 20 |  |  | 21 |  |  | 22 |  |  | 178 |  |  | 291 |
Tax-Exempt Financings |  | — |  |  | — |  |  | — |  |  | — |  |  | 39 |  |  | 735 |  |  | 774 |
Unsecured Junior Subordinated Notes Payable to Affiliated Trusts |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 10 |  |  | 10 |
Unsecured Junior Subordinated Notes |  | 700 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 700 |
Enhanced Junior Subordinated Notes |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 685 |  |  | 685 |
Total | $ | 6,581 |  | $ | 1,519 |  | $ | 2,140 |  | $ | 1,804 |  | $ | 1,309 |  | $ | 26,853 |  | $ | 40,206 |
Weighted-average Coupon |  | 5.83 | % |  | 3.57 | % |  | 2.64 | % |  | 3.77 | % |  | 4.01 | % |  | 4.57 | % |  |
Virginia Power |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unsecured Senior Notes | $ | 350 |  | $ | 350 |  | $ | 1,150 |  | $ | 1,350 |  | $ | 700 |  | $ | 13,035 |  | $ | 16,935 |
Tax-Exempt Financings |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 625 |  |  | 625 |
Total | $ | 350 |  | $ | 350 |  | $ | 1,150 |  | $ | 1,350 |  | $ | 700 |  | $ | 13,660 |  | $ | 17,560 |
Weighted-average Coupon |  | 3.45 | % |  | 3.10 | % |  | 3.08 | % |  | 3.61 | % |  | 3.80 | % |  | 4.37 | % |  |
(1) Represents debt associated with Eagle Solar. In February 2024, Eagle Solar redeemed the remaining principal outstanding of $279 million. The debt which otherwise would have matured in 2042 was nonrecourse to Dominion Energy and was secured by Eagle Solar's interest in certain solar facilities. As such, these borrowings are presented within securities due within one year in Dominion Energy’s Consolidated Balance Sheets at December 31, 2023.

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