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Property, Plant and Equipment | 9 Months Ended
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Sep. 30, 2025
Property, Plant and Equipment [Abstract] |
Property, Plant and Equipment | Note 11. Property, Plant and Equipment CVOW Commercial Project – Estimated Total Project Cost As discussed in Note 10 to the Consolidated Financial Statements in the Companies’ Annual Report on Form 10-K for the year ended December 31, 2024, Virginia Power is constructing the CVOW Commercial Project. The 2.6 GW project is expected to be placed in service by the end of 2026 with an estimated total project cost of approximately $11.2 billion, excluding financing costs, that reflects an estimated impact of certain tariffs which became effective during 2025. The Companies’ projected impact of tariffs on expected total project cost is subject to change due to the inherent uncertainty associated with which tariffs, if any, may be in effect and the associated requirements and rates of such tariffs. The expected total project cost increase of $0.3 billion and $0.5 billion relative to Virginia Power’s August 2025 and February 2025 construction update filings, respectively, with the Virginia Commission reflects current projections of tariffs on equipment expected to be delivered from March 2025 through the end of 2025 that originates from Mexico, Canada, a European Union member or other applicable countries and on equipment expected to be delivered from March 2025 through the end of 2026 that contains steel. The actual tariffs to be incurred are dependent upon the tariff requirements and rates, if any, at the time of delivery of the specific component. If the current tariffs were to remain in effect through the end of 2026, the expected project costs for offshore wind and onshore electrical interconnection equipment could increase by up to approximately $0.2 billion. As a result of the revised total project cost estimate and cost sharing mechanism associated with tariffs enacted by September 30, 2025, for the three and nine months ended September 30, 2025 Virginia Power recorded a charge for costs not expected to be recovered from customers of $128 million and $224 million, respectively, within impairment of assets and other charges, which includes $64 million and $112 million, respectively, attributable to noncontrolling interests, and an associated income tax benefit of $16 million and $28 million, respectively, all reflected in the Corporate and Other segment, in the Companies’ Consolidated Statements of Income. See Note 10 to the Consolidated Financial Statements in the Companies’ Annual Report on Form 10-K for the year ended December 31, 2024 for more information on the cost sharing mechanism in the Virginia Commission’s December 2022 order and Stonepeak’s 50% noncontrolling interest in the CVOW Commercial Project. The estimated total project cost above reflects the Companies’ best estimate of the remaining construction costs, including contingency of approximately 7% on such remaining amounts. Such estimate could potentially change for items, certain of which are beyond the Companies’ control, including but not limited to final network upgrade costs allocated by PJM, fuel for transportation and installation, the impact of applicable tariffs including any potential impact of pending Section 232 investigations and litigation before the U.S. Supreme Court, costs to maintain necessary permits, approvals and authorizations, ability of key suppliers and contractors to timely satisfy their obligations under existing contracts, marine wildlife and/or any severe weather events. Any additional increase in such costs in excess of the contingency included in the estimated total project cost would be subject to the cost sharing mechanisms discussed above and could have a material impact on the Companies’ future financial condition, results of operations and/or cash flows. Sale of a Corporate Office Building In the second quarter of 2024, Dominion Energy recorded a charge of $17 million ($12 million after-tax) in impairment of assets and other charges in its Consolidated Statements of Income to adjust a corporate office building down to its estimated fair value, using a market approach, of $23 million. The valuation is considered a Level 3 fair value measurement as it is based on unobservable inputs due to limited comparable market activity. The corporate office building is reflected in the Corporate and Other segment and was sold in December 2024 as discussed in Note 10 to the Consolidated Financial Statements in the Companies’ Annual Report on Form 10-K for the year ended December 31, 2024. Nonregulated Renewable Natural Gas Facilities Dominion Energy recorded impairment charges of $33 million ($25 million after-tax) and $27 million ($21 million after-tax) in the second and third quarters of 2024, respectively, in impairment of assets and other charges in the Consolidated Statements of Income to write down the long-lived assets of certain nonregulated renewable natural gas facilities under development to their estimated fair values which were each less than $1 million. The fair values were estimated using an income approach. The valuations are considered Level 3 fair value measurements due to the use of significant judgmental and unobservable inputs, including projected timing and amount of future cash flows and discount rates reflecting risks inherent in future cash flows and market prices.

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