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Regulatory Matters (Tables) | 3 Months Ended
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Mar. 31, 2024
Public Utilities General Disclosures [Line Items] |
Summary of Significant Virginia Power Electric Transmission Projects Applied |
Description and Location of Project |  | Application Date |  | Approval Date |  | Type of Line |  | Miles of Lines |  | Cost Estimate (millions)(1) |
Construct new Aspen and Golden substations, transmission lines and related projects in Loudoun County, Virginia |  | March 2024 |  | Pending |  | 500- 230 kV |  | 10 |  | $ | 690 |
Partial rebuild Fredericksburg-Aquia Harbour transmission lines and related projects in Stafford County and the City of Fredericksburg, Virginia |  | March 2024 |  | Pending |  | 230- 115 kV |  | 24 |  |  | 135 |
Construct new Apollo-Twin Creeks transmission lines, new substations and related projects in Loudoun County, Virginia |  | March 2024 |  | Pending |  | 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 |  | Pending |  | 230 kV |  | 22 |  |  | 60 |
(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 or applied for and currently pending approval with aggregate cost estimates of approximately $45 million and $100 million, respectively.
Virginia Electric and Power Company |
Public Utilities General Disclosures [Line Items] |
Significant Riders Associated With Virginia Power Projects |
Rider Name |  | Application Date |  | Approval Date |  | Rate Year Beginning |  | Total Revenue Requirement (millions)(1) |  |  | Increase (Decrease) from Previous (millions) |
Rider CCR |  | March 2024 |  | Pending |  | December 2024 |  | $ | 103 |  |  | $ | (91 | )
Rider CE(2) |  | October 2023 |  | March 2024 |  | May 2024 |  |  | 133 |  |  |  | 44 |
Rider GT |  | August 2023 |  | May 2024 |  | June 2024 |  |  | 145 |  |  |  | 131 |
Rider T1(3) |  | May 2024 |  | Pending |  | September 2024 |  |  | 1,170 |  |  |  | 291 |
(1) In addition, Virginia Power has various riders associated with other projects with an aggregate total annual revenue requirement of approximately $120 million as of March 31, 2024. (2) 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. (3) Consists of $532 million for the transmission component of Virginia Power’s base rates and $638 million for Rider T1.

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