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Regulatory Matters - Schedule of Additional Significant Riders Associated with Virginia Power Projects (Detail) - Virginia Electric and Power Company $ in Millions | 9 Months Ended
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Sep. 30, 2025 USD ($)
Rider CCR |  |
Public Utilities General Disclosures [Line Items] |  |
Application Date | 2025-04 | [1]
Approval Date | Pending | [1]
Rate Year Beginning | 2026-01 | [1]
Total Revenue Requirement (millions) | $ 166 | [1],[2]
Increase (decrease) in revenue requirement | $ 63 | [1]
Rider CE |  |
Public Utilities General Disclosures [Line Items] |  |
Application Date | 2024-10 | [3]
Approval Date | April 2025 | [3]
Rate Year Beginning | 2025-05 | [3]
Total Revenue Requirement (millions) | $ 182 | [2],[3]
Increase (decrease) in revenue requirement | $ 49 | [3]
Rider CE One |  |
Public Utilities General Disclosures [Line Items] |  |
Application Date | 2025-10 | [4]
Approval Date | Pending | [4]
Rate Year Beginning | 2026-05 | [4]
Total Revenue Requirement (millions) | $ 325 | [2],[4]
Increase (decrease) in revenue requirement | $ 143 | [4]
Rider DIST |  |
Public Utilities General Disclosures [Line Items] |  |
Application Date | 2024-08 | [5]
Approval Date | May 2025 | [5]
Rate Year Beginning | 2025-06 | [5]
Total Revenue Requirement (millions) | $ 267 | [2],[5]
Rider DIST One |  |
Public Utilities General Disclosures [Line Items] |  |
Application Date | 2025-08 | [6]
Approval Date | Pending | [6]
Rate Year Beginning | 2026-06 | [6]
Total Revenue Requirement (millions) | $ 333 | [2],[6]
Increase (decrease) in revenue requirement | $ 66 | [6]
Rider E |  |
Public Utilities General Disclosures [Line Items] |  |
Application Date | 2025-01 |
Approval Date | September 2025 |
Rate Year Beginning | 2025-11 |
Total Revenue Requirement (millions) | $ 37 | [2]
Increase (decrease) in revenue requirement | $ (35) |
Rider GEN |  |
Public Utilities General Disclosures [Line Items] |  |
Application Date | 2024-06 | [7]
Approval Date | February 2025 | [7]
Rate Year Beginning | 2025-04 | [7]
Total Revenue Requirement (millions) | $ 438 | [2],[7]
Rider GEN One |  |
Public Utilities General Disclosures [Line Items] |  |
Application Date | 2024-06 |
Approval Date | February 2025 |
Rate Year Beginning | 2026-04 |
Total Revenue Requirement (millions) | $ 311 | [2]
Increase (decrease) in revenue requirement | $ (127) |
Rider OSW |  |
Public Utilities General Disclosures [Line Items] |  |
Application Date | 2024-11 | [8]
Approval Date | August 2025 | [8]
Rate Year Beginning | 2025-09 | [8]
Total Revenue Requirement (millions) | $ 639 | [2],[8]
Increase (decrease) in revenue requirement | $ 153 | [8]
Rider OSW One |  |
Public Utilities General Disclosures [Line Items] |  |
Application Date | 2025-10 |
Approval Date | Pending |
Rate Year Beginning | 2026-09 |
Total Revenue Requirement (millions) | $ 665 | [2]
Increase (decrease) in revenue requirement | $ 26 |
Rider RPS |  |
Public Utilities General Disclosures [Line Items] |  |
Application Date | 2024-12 |
Approval Date | August 2025 |
Rate Year Beginning | 2025-09 |
Total Revenue Requirement (millions) | $ 609 | [2]
Increase (decrease) in revenue requirement | $ 251 |
Rider SNA |  |
Public Utilities General Disclosures [Line Items] |  |
Application Date | 2024-10 | [9]
Approval Date | July 2025 | [9]
Rate Year Beginning | 2025-09 | [9]
Total Revenue Requirement (millions) | $ 207 | [2],[9]
Increase (decrease) in revenue requirement | $ 138 | [9]
Rider SNA One |  |
Public Utilities General Disclosures [Line Items] |  |
Application Date | 2025-10 |
Approval Date | Pending |
Rate Year Beginning | 2026-09 |
Total Revenue Requirement (millions) | $ 233 | [2]
Increase (decrease) in revenue requirement | $ 26 |
Rider T1 |  |
Public Utilities General Disclosures [Line Items] |  |
Application Date | 2025-05 | [10]
Approval Date | August 2025 | [10]
Rate Year Beginning | 2025-09 | [10]
Total Revenue Requirement (millions) | $ 1,343 | [2],[10]
Increase (decrease) in revenue requirement | $ 173 | [10]
DSM Riders |  |
Public Utilities General Disclosures [Line Items] |  |
Application Date | 2024-12 | [11]
Approval Date | August 2025 | [11]
Rate Year Beginning | 2025-09 | [11]
Total Revenue Requirement (millions) | $ 96 | [2],[11]
Increase (decrease) in revenue requirement | $ 10 | [11]
[1] | In connection with this application, Virginia Power also requests to extend existing rates for Rider CCR by one month through December 2025.
[2] | In addition, Virginia Power has a rider associated with another project with a total annual revenue requirement of $17 million and a pending application associated with the Chesterfield Energy Reliability Center described above, which if approved would result in an annual revenue requirement increase of $36 million.
[3] | Associated with two solar generation projects, two small-scale solar projects and 19 purchased power agreements in addition to previously approved Rider CE projects.
[4] | Associated with six solar generation projects, including Bedford and Pumpkinseed (non-jurisdictional generation facilities with an aggregate recorded cost of $251 million at September 30, 2025), two energy storage projects, three small-scale solar projects, 10 purchased power agreements and certain costs associated with expanding solar and storage facilities in addition to previously approved Rider CE projects.
[5] | Rider DIST includes $100 million in total revenue requirement for certain previously approved electric distribution grid transformation projects and $167 million for previously approved phases and proposed phase eight of certain new underground distribution facilities. Rider DIST also results in the consolidation of, and ceases the separate collection of rates under, Riders GT and U effective June 1, 2025.
[6] | This application includes $120 million in total revenue requirement for certain previously approved electric distribution grid transformation projects, $178 million for previously approved phases and proposed phase nine of certain new underground distribution facilities and $35 million for certain previously approved rural broadband capacity projects, including $25 million being collected under a rider associated with rural broadband capacity projects. If approved, the rider associated with rural broadband capacity projects would be consolidated into Rider DIST and separate collection of rates under the rural broadband rider would cease effective June 1, 2026.
[7] | Rider GEN includes $348 million in total revenue requirement related to the consolidation of Riders BW, GV and four other riders associated with generation facilities, ceasing the separate collection of rates under these riders effective April 1, 2025 and the extension of existing rates for Rider BW through March 2025. In addition, Virginia Power also received approval to recover costs associated with the Virginia LNG Storage Facility through Rider GEN described in Note 13 to the Consolidated Financial Statements in the Companies’ Annual Report on Form 10-K for the year ended December 31, 2024.
[8] | The Virginia Commission also approved the establishment of a decommissioning trust fund associated with the CVOW Commercial Project. As a result, the applicable amount included within the revenue requirement for Rider OSW will be allocated for such purposes.
[9] | The Virginia Commission also approved Virginia Power’s request for cost recovery of approximately $1.7 billion through Rider SNA for the second phase of the nuclear life extension program which includes investments for calendar years 2025 through 2027.
[10] | Consists of $561 million for the transmission component of Virginia Power’s base rates and $782 million for Rider T1.
[11] | Associated with three redesigned energy efficiency programs and one new and two redesigned demand response programs with a $218 million cost cap, with the ability to exceed the cost cap by no more than 15%.

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