XML 72 R51.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Property, Plant and Equipment (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2024
Property, Plant and Equipment | Major classes of property, plant and equipment and their respective balances for the Companies are as follows:
|  | Dominion Energy |  |  | Virginia Power |
At December 31, |  | 2024 |  |  | 2023 |  |  | 2024 |  |  | 2023 |
(millions) |  |  |  |  |  |  |  |  |  |  |  |
Utility: |  |  |  |  |  |  |  |  |  |  |  |
Generation |  | $ | 26,854 |  |  | $ | 24,903 |  |  | $ | 20,219 |  |  | $ | 18,580 |
Transmission |  |  | 17,856 |  |  |  | 16,540 |  |  |  | 15,514 |  |  |  | 14,268 |
Distribution |  |  | 23,572 |  |  |  | 21,836 |  |  |  | 17,261 |  |  |  | 15,934 |
Nuclear fuel |  |  | 2,393 |  |  |  | 2,424 |  |  |  | 1,823 |  |  |  | 1,815 |
General and other |  |  | 1,865 |  |  |  | 1,758 |  |  |  | 1,134 |  |  |  | 1,036 |
Plant under construction(1) |  |  | 13,816 |  |  |  | 8,230 |  |  |  | 12,826 |  |  |  | 7,548 |
Total utility |  |  | 86,356 |  |  |  | 75,691 |  |  |  | 68,777 |  |  |  | 59,181 |
Non-jurisdictional - including plant under construction |  |  | 1,763 |  |  |  | 1,772 |  |  |  | 1,763 |  |  |  | 1,772 |
Nonutility: |  |  |  |  |  |  |  |  |  |  |  |
Nonregulated generation-nuclear |  |  | 1,962 |  |  |  | 1,855 |  |  |  | — |  |  |  | — |
Nonregulated generation-solar |  |  | 1,207 |  |  |  | 945 |  |  |  | — |  |  |  | — |
Nuclear fuel |  |  | 1,173 |  |  |  | 1,009 |  |  |  | — |  |  |  | — |
Other-including plant under construction |  |  | 2,383 |  |  |  | 2,145 |  |  |  | 10 |  |  |  | 10 |
Total nonutility |  |  | 6,725 |  |  |  | 5,954 |  |  |  | 10 |  |  |  | 10 |
Total property, plant and equipment |  | $ | 94,844 |  |  | $ | 83,417 |  |  | $ | 70,550 |  |  | $ | 60,963 |
(1) Includes $5.8 billion and $2.9 billion of costs associated with the CVOW Commercial Project at December 31, 2024 and 2023, respectively. The amount at December 31, 2024 is net of $206 million of costs not expected to be recovered from customers.
Schedule of Jointly Owned Utility Plants | The Companies’ proportionate share of jointly-owned power stations at December 31, 2024 is as follows:
|  | Bath County Pumped Storage Station(1) |  |  | North Anna Units 1 and 2(1) |  |  | Clover Power Station(1) |  |  | Millstone Unit 3(2) |  |  | Summer Unit 1 (2) |
(millions, except percentages) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership interest |  |  | 60 | % |  |  | 88.4 | % |  |  | 50 | % |  |  | 93.5 | % |  |  | 66.7 | %
Plant in service |  |  | 1,069 |  |  |  | 2,906 |  |  |  | 616 |  |  |  | 1,528 |  |  |  | 1,598 |
Accumulated depreciation |  |  | (774 | ) |  |  | (1,403 | ) |  |  | (312 | ) |  |  | (628 | ) |  |  | (755 | )
Nuclear fuel |  |  | — |  |  |  | 767 |  |  |  | — |  |  |  | 619 |  |  |  | 570 |
Accumulated amortization of nuclear fuel |  |  | — |  |  |  | (620 | ) |  |  | — |  |  |  | (475 | ) |  |  | (345 | )
Plant under construction |  |  | 12 |  |  |  | 408 |  |  |  | 9 |  |  |  | 93 |  |  |  | 58 |
(1) Units jointly owned by Virginia Power. (2) Units jointly owned by Dominion Energy.
Virginia Electric and Power Company |
Schedule of Nonregulated Solar Projects | The following table presents acquisitions by Virginia Power of non-jurisdictional solar projects (reflected in Dominion Energy Virginia). Virginia Power has claimed federal investment tax credits on the projects, except as otherwise noted.
Project Name |  | Date Agreement Entered |  | Date Agreement Closed |  | Project Location |  | Project Cost (millions)(1) |  |  | Date of Commercial Operations |  | MW Capacity |
Ft. Powhatan |  | June 2019 |  | June 2019 |  | Virginia |  | $ | 267 |  |  | January 2022 |  |  | 150 |
Maplewood |  | October 2019 |  | October 2019 |  | Virginia |  |  | 210 |  |  | December 2022 |  |  | 120 |
Pumpkinseed |  | May 2020 |  | May 2020 |  | Virginia |  |  | 138 |  |  | September 2022 |  |  | 60 |
(1) Includes acquisition costs.
Dominion Energy |
Schedule of Nonregulated Solar Projects | In addition, the following table presents acquisitions by Dominion Energy of solar projects (reflected in Contracted Energy unless otherwise noted). Dominion Energy has claimed or expects to claim federal tax credits on the projects.
Project Name |  | Date Agreement Entered |  | Date Agreement Closed |  | Project Location |  | Project Cost (millions)(1) |  |  | Date of Commercial Operations |  | MW Capacity |
Madison(2) |  | July 2020 |  | July 2020 |  | Virginia |  |  | 165 |  |  | N/A |  |  | 62 |
Hardin II |  | August 2020 |  | Terminated(3) |  |  |  |  |  |  |  |  |  |
Atlanta Farms |  | March 2022 |  | May 2022 |  | Ohio |  |  | 390 |  |  | January 2025(4) |  |  | 200 |
Foxhound |  | March 2023 |  | February 2024 |  | Virginia |  |  | 195 |  |  | April 2024(4) |  |  | 83 |
(1) Includes acquisition costs. (2) Madison was reflected in the Corporate and Other segment before its sale 2024. See Note 3 for discussion. (3) In January 2023, Dominion Energy terminated its agreement, without penalty, to acquire Hardin II. (4) Dominion Energy expects to claim production tax credits on the energy generated and sold by these projects.

X
- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 360 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-1 + Details
Name: | us-gaap_PropertyPlantAndEquipmentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of a material business combination completed during the period, including background, timing, and recognized assets and liabilities. This table does not include leveraged buyouts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479328/805-10-50-3 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479328/805-10-50-2 + Details
Name: | us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of proportionate interests in jointly owned utility plants. Includes the amount of plants in service, the accumulated provision for depreciation (if available), the amount of plants under construction, and the proportionate share. The amounts presented may be further subdivided to show amounts applicable to plant subcategories (for example, production, transmission, distribution). Includes statements that the amounts represent the utility's share in each joint plant and that it must provide its own financing. Information concerning two or more generating plants on the same site may be combined. States that the utility's share of direct expenses of the joint plants is included in the corresponding operating expenses on its income statement (for example, fuel, maintenance of plant, other operating expense). If the share of direct expenses is charged to purchased power, then disclose the amount so charged and the proportionate amounts charged to specific operating expenses on the records maintained for the joint plants. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 980 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 10.C) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479070/980-360-S99-1 + Details
Name: | us-gaap_ScheduleOfJointlyOwnedUtilityPlantsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=d_VirginiaElectricAndPowerCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=d_DominionEnergyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |