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Long-Term Debt (Tables) | 12 Months Ended
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Dec. 31, 2022
Debt Disclosure [Abstract] |
Long term Debt |
|  | 2022 Weighted- average Coupon(1) |  |  |  | Dominion Energy |  |  | Virginia Power |
At December 31, |  |  |  |  |  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
(millions, except percentages) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sustainability Revolving Credit Agreement, variable rate, due 2024(2) |  |  | 5.24 | % |  |  | $ | 450 |  |  | $ | — |  |  |  |  |  |  |
Unsecured Senior Notes: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Variable rate, due 2023 |  |  | 5.30 | % |  |  |  | 1,000 |  |  |  | 1,000 |  |  |  |  |  |  |
1.45% to 7.0%, due 2022 to 2052(3)(4) |  |  | 4.01 | % |  |  |  | 12,476 |  |  |  | 11,238 |  |  |  |  |  |  |
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 2022 to 2052 |  |  | 3.99 | % |  |  |  | 15,135 |  |  |  | 13,238 |  |  | $ | 15,135 |  |  | $ | 13,238 |
Tax-Exempt Financings, 0.75% to 1.90%, due 2032 to 2041(5) |  |  | 1.32 | % |  |  |  | 625 |  |  |  | 625 |  |  |  | 625 |  |  |  | 625 |
DECP Holdings, Term Loan, variable rate, due 2024(6) |  |  | 5.71 | % |  |  |  | 2,349 |  |  |  | 2,500 |  |  |  |  |  |  |
Questar Gas, Unsecured Senior Notes, 2.21% to 7.20%, due 2024 to 2052 |  |  | 3.99 | % |  |  |  | 1,250 |  |  |  | 1,000 |  |  |  |  |  |  |
East Ohio, Unsecured Senior Notes, 1.30% to 6.38%, due 2025 to 2052 |  |  | 3.13 | % |  |  |  | 2,300 |  |  |  | 1,800 |  |  |  |  |  |  |
PSNC, Senior Debentures and Notes, 3.10% to 7.45%, due 2026 to 2051 |  |  | 4.34 | % |  |  |  | 800 |  |  |  | 800 |  |  |  |  |  |  |
DESC: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
First Mortgage Bonds, 2.30% to 6.625%, due 2028 to 2065 |  |  | 5.09 | % |  |  |  | 3,634 |  |  |  | 3,634 |  |  |  |  |  |  |
Tax-Exempt Financings(7): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Variable rate due 2038 |  |  | 3.70 | % |  |  |  | 35 |  |  |  | 35 |  |  |  |  |  |  |
3.625% and 4.00%, due 2028 and 2033 |  |  | 3.90 | % |  |  |  | 54 |  |  |  | 54 |  |  |  |  |  |  |
GENCO, variable rate due 2038 |  |  | 3.70 | % |  |  |  | 33 |  |  |  | 33 |  |  |  |  |  |  |
Other |  |  | 3.63 | % |  |  |  | 1 |  |  |  | 1 |  |  |  |  |  |  |
Secured Senior Notes, 4.82%, due 2042(8) |  |  | 4.82 | % |  |  |  | 308 |  |  |  | 314 |  |  |  |  |  |  |
Tax-Exempt Financing, 3.8% due 2033 |  |  | 3.80 | % |  |  |  | 27 |  |  |  | 27 |  |  |  |  |  |  |
Total Principal |  |  |  |  |  | $ | 41,872 |  |  | $ | 37,694 |  |  | $ | 15,760 |  |  | $ | 13,863 |
Fair value hedge valuation(9) |  |  |  |  |  |  | — |  |  |  | 2 |  |  |  |  |  |  |
Securities due within one year(10) |  |  |  |  |  |  | (2,848 | ) |  |  | (805 | ) |  |  | (700 | ) |  |  | (300 | )
Unamortized discount, premium and debt issuance costs, net |  |  |  |  |  |  | (355 | ) |  |  | (315 | ) |  |  | (144 | ) |  |  | (110 | )
Derivative restructuring(11) |  |  |  |  |  |  | 141 |  |  |  | 738 |  |  |  | — |  |  |  | 446 |
Finance leases |  |  |  |  |  |  | 104 |  |  |  | 112 |  |  |  | 65 |  |  |  | 57 |
Total long-term debt |  |  |  |  |  | $ | 38,914 |  |  | $ | 37,426 |  |  | $ | 14,981 |  |  | $ | 13,956 |
(1) Represents weighted-average coupon rates for debt outstanding as of December 31, 2022. (2) This $900 million supplemental credit facility, entered in June 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 June 2021 and August 2021, Dominion Energy borrowed $250 million and $650 million respectively. The proceeds from these borrowings were used to support environmental sustainability and social investment initiatives ($250 million) and for general corporate purposes ($650 million). In November 2021 and December 2021, Dominion Energy repaid $650 million and $250 million, respectively, borrowed under this arrangement. 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. (3) Includes debt assumed by Dominion Energy from the merger of its former CNG subsidiary. (4) In 2022, Dominion Energy repurchased $263 million of senior notes with various interest rates and maturity dates. Gains related to the early redemption of the senior notes were $35 million ($26 million after-tax) reflected within interest and related charges in Dominion Energy’s Consolidated Statements of Income. (5) These financings relate to certain pollution control equipment at Virginia Power’s generating facilities. (6) The term loan amortizes over a 17-year period and matures in December 2024 with the potential to be extended to December 2026. The debt is secured by DECP Holdings’ noncontrolling interest in Cove Point. (7) Industrial revenue bonds totaling $68 million are secured by letters of credit that expire, subject to renewal, in the fourth quarter of 2023. (8) Represents debt associated with Eagle Solar. The debt is nonrecourse to Dominion Energy and is secured by Eagle Solar’s interest in certain solar facilities. (9) Represents the valuation of certain fair value hedges associated with Dominion Energy’s fixed rate debt. (10) Dominion Energy and Virginia Power's weighted-average rate for securities due within one year was 3.69% and 2.75%, respectively, as of December 31, 2022. (11) Excludes $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. The Companies did no t have any current derivative restructuring balances at December 31, 2021.
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, 2022, were as follows:
| 2023 |  | 2024 |  | 2025 |  | 2026 |  | 2027 |  | Thereafter |  | Total |
(millions, except percentages) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dominion Energy |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term Loans | $ | 134 |  | $ | 2,215 |  | $ | — |  | $ | — |  | $ | — |  | $ | — |  | $ | 2,349 |
Sustainability Revolving Credit Agreement |  | — |  |  | 450 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 450 |
First Mortgage Bonds |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 3,634 |  |  | 3,634 |
Unsecured Senior Notes |  | 2,700 |  |  | 690 |  |  | 2,000 |  |  | 2,220 |  |  | 1,893 |  |  | 23,459 |  |  | 32,962 |
Secured Senior Notes |  | 17 |  |  | 31 |  |  | 19 |  |  | 20 |  |  | 21 |  |  | 200 |  |  | 308 |
Tax-Exempt Financings |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 774 |  |  | 774 |
Unsecured Junior Subordinated Notes Payable to Affiliated Trusts |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 10 |  |  | 10 |
Unsecured Junior Subordinated Notes |  | — |  |  | 700 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 700 |
Enhanced Junior Subordinated Notes |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 685 |  |  | 685 |
Total | $ | 2,851 |  | $ | 4,086 |  | $ | 2,019 |  | $ | 2,240 |  | $ | 1,914 |  | $ | 28,762 |  | $ | 41,872 |
Weighted-average Coupon |  | 3.69 | % |  | 4.81 | % |  | 3.01 | % |  | 2.84 | % |  | 3.74 | % |  | 4.34 | % |  |
Virginia Power |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unsecured Senior Notes | $ | 700 |  | $ | 350 |  | $ | 350 |  | $ | 1,150 |  | $ | 1,350 |  | $ | 11,235 |  | $ | 15,135 |
Tax-Exempt Financings |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 625 |  |  | 625 |
Total | $ | 700 |  | $ | 350 |  | $ | 350 |  | $ | 1,150 |  | $ | 1,350 |  | $ | 11,860 |  | $ | 15,760 |
Weighted-average Coupon |  | 2.75 | % |  | 3.45 | % |  | 3.10 | % |  | 3.08 | % |  | 3.61 | % |  | 4.10 | % |  |

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