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Income Taxes | 3 Months Ended
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Mar. 31, 2023
Income Tax Disclosure [Abstract] |
Income Taxes | Note 5. Income Taxes For continuing operations, including noncontrolling interests, the statutory U.S. federal income tax rate reconciles to the Companies’ effective income tax rate as follows:
|  | Dominion Energy |  |  | Virginia Power |
Three Months Ended March 31, |  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
U.S. statutory rate |  |  | 21.0 | % |  |  | 21.0 | % |  |  | 21.0 | % |  |  | 21.0 | %
Increases (reductions) resulting from: |  |  |  |  |  |  |  |  |  |  |  |
Recognition of taxes - sale of subsidiary stock |  |  | — |  |  |  | 9.4 |  |  |  |  |  |  |
State taxes, net of federal benefit |  |  | 3.4 |  |  |  | 3.3 |  |  |  | 4.6 |  |  |  | 4.4 |
Investment tax credits |  |  | (2.3 | ) |  |  | (3.9 | ) |  |  | (0.3 | ) |  |  | (6.7 | )
Production tax credits |  |  | (0.4 | ) |  |  | (0.4 | ) |  |  | (0.7 | ) |  |  | (0.8 | )
Reversal of excess deferred income taxes |  |  | (2.7 | ) |  |  | (4.1 | ) |  |  | (2.7 | ) |  |  | (3.0 | )
Changes in state deferred taxes associated with assets held for sale |  |  | — |  |  |  | 0.5 |  |  |  |  |  |  |
AFUDC - equity |  |  | (0.1 | ) |  |  | (0.6 | ) |  |  | 0.2 |  |  |  | (0.9 | )
Other, net |  |  | (0.8 | ) |  |  | 0.2 |  |  |  | (0.2 | ) |  |  | 0.6 |
Effective tax rate |  |  | 18.1 | % |  |  | 25.4 | % |  |  | 21.9 | % |  |  | 14.6 | %
In the first quarter of 2022, Dominion Energy entered into an agreement to sell 100% of the equity interests in Hope in a stock sale for income tax purposes. Upon meeting the classification as held for sale, Dominion Energy established $87 million of deferred tax liabilities reflecting the excess of the financial reporting basis over the tax basis in Hope’s stock. These deferred taxes reversed upon closing of the sale in August 2022 and became a component of current income tax expense on the sale. See Note 3 to the Consolidated Financial Statements in Dominion Energy’s Annual Report on Form 10-K for the year ended December 31, 2022 for additional information regarding the sale of Hope. As of March 31, 2023, there have been no material changes in the Companies’ unrecognized tax benefits or possible changes that could reasonably be expected to occur during the next twelve months. See Note 5 to the Consolidated Financial Statements in the Companies’ Annual Report on Form 10-K for the year ended December 31, 2021, for a discussion of these unrecognized tax benefits. Discontinued operations Income tax (benefit) expense reflected in discontinued operations is $(1) million and $6 million for the three months ended March 31, 2023 and 2022, respectively.

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- Definition The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 21 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32857-109319 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 11.C) -URI https://asc.fasb.org/extlink&oid=122134291&loc=d3e330215-122817 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 17 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32809-109319 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I.5.Q1) -URI https://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 14 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32705-109319 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 270 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6424409&loc=d3e44925-109338 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -URI https://asc.fasb.org/topic&trid=2144680 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=6424122&loc=d3e41874-109331 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(2)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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