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Regulatory Matters (Tables) | 12 Months Ended
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Dec. 31, 2024
Public Utilities General Disclosures [Line Items] |
Summary of Significant Virginia Power Electric Transmission Projects Applied | Electric Transmission Projects Significant Virginia Power electric transmission projects approved or applied for are as follows:
Description and Location of Project |  | Application Date |  | Approval Date |  | Type of Line |  | Miles of Lines |  | Cost Estimate (millions)(1) |
Construct new Germanna substation, transmission line and related projects in Culpeper County, Virginia |  | November 2023 |  | August 2024 |  | 230 kV |  | 2 |  | $ | 55 |
Construct Daves Store transmission line extension in Prince William County, Virginia |  | February 2024 |  | October 2024 |  | 230 kV |  | 3 |  |  | 70 |
Construct new Aspen and Golden substations, transmission lines and related projects in Loudoun County, Virginia |  | March 2024 |  | February 2025 |  | 500- 230 kV |  | 10 |  |  | 705 |
Partial rebuild Fredericksburg-Aquia Harbour transmission lines and related projects in Stafford County and the City of Fredericksburg, Virginia |  | March 2024 |  | February 2025 |  | 230- 115 kV |  | 24 |  |  | 135 |
Construct new Apollo-Twin Creek transmission lines, new substations and related projects in Loudoun County, Virginia |  | March 2024 |  | February 2025 |  | 230 kV |  | 2 |  |  | 285 |
Rebuild Dooms-Harrisonburg transmission lines and related projects in the Counties of Augusta and Rockingham and the Town of Grottoes, Virginia |  | April 2024 |  | February 2025 |  | 230 kV |  | 22 |  |  | 60 |
Rebuild and construct new Fentress-Yadkin transmission lines and related projects in the City of Chesapeake, Virginia |  | June 2024 |  | Pending |  | 500 kV |  | 14 |  |  | 205 |
Partial rebuild, reconductor and construct new Network Takeoff transmission lines and related projects in the Counties of Fairfax and Loudoun, Virginia |  | July 2024 |  | Pending |  | 230 kV |  | 6 |  |  | 170 |
Rebuild Aquia Harbor-Possum Point transmission lines and related projects in the Counties of Stafford and Prince William and the City of Fredericksburg, Virginia |  | August 2024 |  | Pending |  | 500- 230 kV |  | 32 |  |  | 210 |
Partial rebuild, reconductor and construct new New Post transmission lines and related projects in the Counties of Caroline and Spotsylvania, Virginia |  | August 2024 |  | Pending |  | 230 kV |  | 38 |  |  | 120 |
Construct new Centreport transmission line, substation and related projects in Stafford County, Virginia |  | September 2024 |  | Pending |  | 230 kV |  | 3 |  |  | 55 |
Partial rebuild and construct new Meadowville transmission lines, substations and related projects in Chesterfield County, Virginia |  | October 2024 |  | Pending |  | 230 kV |  | 11 |  |  | 190 |
Construct new Carmel Church and Ruther Glen transmission lines, substations and related projects in Caroline County, Virginia |  | December 2024 |  | Pending |  | 230 kV |  | 7 |  |  | 85 |
Construct new Nebula transmission lines, substation and related projects in Mecklenburg County, Virginia |  | January 2025 |  | Pending |  | 230 kV |  | 15 |  |  | 130 |
Construct new Culpeper Technology transmission lines, substations and related projects in the Counties of Culpeper, Orange and Fauquier and the Town of Culpeper, Virginia |  | February 2025 |  | Pending |  | 230 kV |  | 13 |  |  | 255 |
(1) Represents the cost estimate included in the application except as updated in the approval if applicable. In addition, Virginia Power had various other transmission projects approved during 2024 and early 2025 or applied for and currently pending approval with aggregate cost estimates of approximately $145 million and $65 million, respectively.
Virginia Electric and Power Company |
Public Utilities General Disclosures [Line Items] |
Significant Riders Associated With Virginia Power Projects | Significant riders associated with various Virginia Power projects are as follows:
Rider Name |  | Application Date |  | Approval Date |  | Rate Year Beginning |  | Total Revenue Requirement (millions)(1) |  |  | Increase (Decrease) Over Previous Year (millions) |
Rider BW(2) |  | October 2021 |  | May 2022 |  | September 2023 |  | $ | 120 |  |  | $ | (25 | )
Rider CCR |  | March 2024 |  | November 2024 |  | December 2024 |  |  | 103 |  |  |  | (91 | )
Rider CE(3) |  | October 2023 |  | March 2024 |  | May 2024 |  |  | 133 |  |  |  | 44 |
Rider CE(4) |  | October 2024 |  | Pending |  | May 2025 |  |  | 182 |  |  |  | 49 |
Rider DIST(5) |  | August 2024 |  | Pending |  | June 2025 |  |  | 269 |  |  | N/A |
Rider E |  | January 2024 |  | September 2024 |  | November 2024 |  |  | 72 |  |  |  | (37 | )
Rider E |  | January 2025 |  | Pending |  | November 2025 |  |  | 37 |  |  |  | (35 | )
Rider GEN(2) |  | June 2024 |  | Pending |  | April 2025 |  |  | 438 |  |  | N/A |
Rider GEN |  | June 2024 |  | Pending |  | April 2026 |  |  | 311 |  |  |  | (127 | )
Rider GT(5) |  | August 2023 |  | May 2024 |  | June 2024 |  |  | 145 |  |  |  | 131 |
Rider GV(2) |  | June 2023 |  | February 2024 |  | April 2024 |  |  | 132 |  |  |  | 5 |
Rider GV(2) |  | June 2023 |  | February 2024 |  | April 2025 |  |  | 135 |  |  |  | 3 |
Rider OSW |  | November 2023 |  | July 2024 |  | September 2024 |  |  | 486 |  |  |  | 215 |
Rider OSW(6) |  | November 2024 |  | Pending |  | September 2025 |  |  | 640 |  |  |  | 154 |
Rider RPS |  | December 2023(12) |  | August 2024 |  | September 2024 |  |  | 358 |  |  |  | 262 |
Rider RPS |  | December 2024 |  | Pending |  | September 2025 |  |  | 609 |  |  |  | 251 |
Rider SNA |  | October 2023 |  | June 2024 |  | September 2024 |  |  | 69 |  |  |  | 19 |
Rider SNA(7) |  | October 2024 |  | Pending |  | September 2025 |  |  | 207 |  |  |  | 138 |
Rider T1(8) |  | May 2024 |  | July 2024 |  | September 2024 |  |  | 1,170 |  |  |  | 291 |
Rider U(5)(9) |  | October 2023 |  | July 2024 |  | August 2024 |  |  | 150 |  |  |  | 76 |
DSM Riders(10) |  | December 2023 |  | July 2024 |  | September 2024 |  |  | 86 |  |  |  | (21 | )
DSM Riders(11) |  | December 2024 |  | Pending |  | September 2025 |  |  | 97 |  |  |  | 11 |
(1) In addition, Virginia Power has various riders associated with other projects with an aggregate total annual revenue requirement of approximately $18 million as of December 31, 2024. There are various pending applications associated with such riders, which if approved, would result in a net increase of approximately $24 million. (2) 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 requests approval to recover costs associated with the Virginia LNG Storage Facility described above. (3) The Virginia Commission approved four solar generation projects and 13 power purchase agreements in addition to previously approved Rider CE projects. In addition, the approved total revenue requirement includes amounts which had previously been collected under a separate rider. (4) Associated with two solar generation projects, two small-scale solar projects and 24 power purchase agreements in addition to previously approved Rider CE projects and power purchase agreements. (5) Rider DIST consists of $103 million in total revenue requirement for certain previously approved electric distribution grid transformation projects and $166 million for previously approved phases and proposed phase eight of certain new underground distribution facilities. If approved, would result in the consolidation of Riders GT and U and cease the separate collection of rates under these riders effective June 1, 2025. (6) Includes a proposal for Virginia Power to establish a decommissioning trust fund associated with the CVOW Commercial Project. If approved, the applicable amount included within the total revenue requirement would be allocated for such purposes. (7) Virginia Power also requested approval of cost recovery of approximately $1.7 billion through Rider SNA for the second phase of nuclear life extension program which includes investments for calendar years 2025 through 2027. (8) Consists of $532 million for the transmission component of Virginia Power’s base rates and $638 million for Rider T1. (9) Consists of $72 million for previously approved phases and $78 million for phase seven costs for Rider U. In addition, the Virginia Commission approved Virginia Power’s request to extend existing rates for Rider U through July 2024. (10) Associated with an additional three new energy efficiency programs and one new demand response program with a $102 million cost cap, with the ability to exceed the cost cap by no more than 15%. (11) Associated with three redesigned energy efficiency programs, one new and two redesigned demand response program and one demand response pilot with a $222 million cost cap, with the ability to exceed the cost cap by no more than 15%. (12) Virginia Power amended its application in February 2024.

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