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Significant Accounting Policies | 9 Months Ended
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Sep. 30, 2022
Accounting Policies [Abstract] |
Significant Accounting Policies | Note 2. Significant Accounting Policies As permitted by the rules and regulations of the SEC, the Companies’ accompanying unaudited Consolidated Financial Statements contain certain condensed financial information and exclude certain footnote disclosures normally included in annual audited consolidated financial statements prepared in accordance with GAAP. These unaudited Consolidated Financial Statements should be read in conjunction with the Consolidated Financial Statements and Notes in the Companies’ Annual Report on Form 10-K for the year ended December 31, 2021. In the Companies’ opinion, the accompanying unaudited Consolidated Financial Statements contain all adjustments necessary to present fairly their financial position at September 30, 2022, their results of operations and changes in equity for the three and nine months ended September 30, 2022 and 2021 and their cash flows for the nine months ended September 30, 2022 and 2021. Such adjustments are normal and recurring in nature unless otherwise noted. The Companies make certain estimates and assumptions in preparing their Consolidated Financial Statements in accordance with GAAP. These estimates and assumptions affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses for the periods presented. Actual results may differ from those estimates. The Companies’ accompanying unaudited Consolidated Financial Statements include, after eliminating intercompany transactions and balances, their accounts, those of their respective majority-owned subsidiaries and non-wholly-owned entities in which they have a controlling financial interest. For certain partnership structures, income is allocated based on the liquidation value of the underlying contractual arrangements. Clearway’s ownership interest in Four Brothers and Three Cedars (through December 2021) and Terra Nova Renewable Partners’ 33% interest in certain Dominion Energy nonregulated solar projects (through December 2021) are reflected as noncontrolling interest in Dominion Energy’s Consolidated Financial Statements. See Note 10 to the Consolidated Financial Statements in the Companies’ Annual Report on Form 10-K for the year ended December 31, 2021 for additional information. The results of operations for interim periods are not necessarily indicative of the results expected for the full year. Information for quarterly periods is affected by seasonal variations in sales, rate changes, electric fuel and other energy-related purchases, purchased gas expenses and other factors. Certain amounts in the Companies’ 2021 Consolidated Financial Statements and Notes have been reclassified to conform to the 2022 presentation for comparative purposes; however, such reclassifications did not affect the Companies’ net income, total assets, liabilities, equity or cash flows. Amounts disclosed for Dominion Energy are inclusive of Virginia Power, where applicable. There have been no significant changes from Note 2 to the Consolidated Financial Statements in the Companies’ Annual Report on Form 10-K for the year ended December 31, 2021, with the exception of the items described below. Cash, Restricted Cash and Equivalents Restricted Cash and Equivalents The following table provides a reconciliation of the total cash, restricted cash and equivalents reported within the Companies’ Consolidated Balance Sheets to the corresponding amounts reported within the Companies’ Consolidated Statements of Cash Flows for the nine months ended September 30, 2022 and 2021:
|  | Cash, Restricted Cash and Equivalents at End of Period |  |  | Cash, Restricted Cash and Equivalents at Beginning of Period |
|  | September 30, 2022 |  |  | September 30, 2021 |  |  | December 31, 2021 |  |  | December 31, 2020 |
(millions) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dominion Energy |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents(1) |  | $ | 163 |  |  | $ | 195 |  |  | $ | 283 |  |  | $ | 179 |
Restricted cash and equivalents(2)(3) |  |  | 177 |  |  |  | 72 |  |  |  | 125 |  |  |  | 68 |
Cash, restricted cash and equivalents shown in the Consolidated Statements of Cash Flows |  | $ | 340 |  |  | $ | 267 |  |  | $ | 408 |  |  | $ | 247 |
Virginia Power |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  | $ | 18 |  |  | $ | 38 |  |  | $ | 26 |  |  | $ | 35 |
Restricted cash and equivalents(3) |  |  | 2 |  |  |  | 1 |  |  |  | — |  |  |  | — |
Cash, restricted cash and equivalents shown in the Consolidated Statements of Cash Flows |  | $ | 20 |  |  | $ | 39 |  |  | $ | 26 |  |  | $ | 35 |
(1) | At September 30, 2021 and December 31, 2020, Dominion Energy had $15 million and $7 million of cash and cash equivalents included in current assets held for sale, respectively. No amounts were included in current assets held for sale at September 30, 2022 and December 31, 2021.
(2) | At September 30, 2021 and December 31, 2020, Dominion Energy had $22 million and $3 million of restricted cash and equivalents included in current assets held for sale, respectively. No amounts were included in current assets held for sale at September 30, 2022 and December 31, 2021.
(3) | Restricted cash and equivalents balances are presented within other current assets in the Companies’ Consolidated Balance Sheets.
Supplemental Cash Flow Information The following table provides supplemental disclosure of cash flow information related to Dominion Energy:
|  | Nine Months Ended September 30, |
|  | 2022 |  |  | 2021 |
(millions) |  |  |  |  |  |  |  |
Significant noncash investing and financing activities:(1) |  |  |  |  |  |  |  |
Accrued capital expenditures |  | $ | 745 |  |  | $ | 374 |
Leases(2) |  |  | 129 |  |  |  | 75 |
(1) | See Note 10 for noncash investing activities related to the acquisition of a noncontrolling interest in Dominion Privatization and Notes 16 and 17 for noncash financing activities related to the remarketing of Series A Preferred Stock and the issuance of common stock and transfer of property associated with the settlement of litigation.
(2) | Includes $29 million and $34 million of financing leases at September 30, 2022 and 2021, respectively, and $100 million and $41 million of operating leases at September 30, 2022 and 2021, respectively.
The following table provides supplemental disclosure of cash flow information related to Virginia Power:
|  | Nine Months Ended September 30, |
|  | 2022 |  |  | 2021 |
(millions) |  |  |  |  |  |  |  |
Significant noncash investing and financing activities: |  |  |  |  |  |  |  |
Accrued capital expenditures |  | $ | 454 |  |  | $ | 238 |
Leases(1) |  |  | 113 |  |  |  | 59 |
(1) | Includes $20 million and $24 million of financing leases at September 30, 2022 and 2021, respectively, and $93 million and $35 million of operating leases at September 30, 2022 and 2021, respectively.
Property, Plant and Equipment In the first quarter of 2022, Virginia Power revised the depreciation rates for its assets to reflect the results of a new depreciation study. The change resulted in a decrease in depreciation expense in Virginia Power’s Consolidated Statements of Income of $15 million ($11 million after-tax) and $45 million ($33 million after-tax) for the three and nine months ended September 30, 2022, respectively, and an increase in Dominion Energy’s EPS of $0.01 and $0.04 for the three and nine months ended September 30, 2022, respectively. The revision is expected to decrease Virginia Power’s annual depreciation expense by approximately $60 million ($45 million after-tax) and increase Dominion Energy’s EPS by approximately $0.05. For the three and nine months ended September 30, 2022, Virginia Power recorded charges of $18 million ($14 million after-tax) and $60 million ($45 million after-tax), respectively, associated with dismantling certain coal- and oil-fired generating units retired before the end of their useful lives, recorded in impairment of assets and other charges (benefits) in its Consolidated Statements of Income. Asset Retirement Obligations In the second quarter of 2021, Dominion Energy revised its estimated cash flow projections associated with the recovery of spent nuclear fuel costs for its AROs associated with the decommissioning of Kewaunee. As a result, Dominion Energy recorded a charge of $44 million ($35 million after-tax) within other operations and maintenance expense in its Consolidated Statements of Income.

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