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Regulatory Matters (Tables) - Virginia Electric and Power Company | 9 Months Ended
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Sep. 30, 2022
Public Utilities General Disclosures [Line Items] |
Significant Riders Associated With Virginia Power Projects | Developments for significant riders associated with various Virginia Power projects are as follows:
Rider Name |  | Application Date |  | Approval Date |  | Rate Year Beginning |  | Total Revenue Requirement (millions) |  |  | Increase (Decrease) Over Previous Year (millions) |
Rider B |  | June 2022 |  | Pending |  | April 2023 |  | $ | 34 |  |  | $ | 18 |
Rider B |  | June 2022 |  | Pending |  | April 2024 |  |  | 34 |  |  |  | — |
Rider BW |  | October 2021 |  | May 2022 |  | September 2022 |  |  | 145 |  |  |  | 32 |
Rider BW |  | October 2021 |  | May 2022 |  | September 2023 |  |  | 120 |  |  |  | (25 | )
Rider CCR |  | February 2022 |  | October 2022 |  | December 2022 |  |  | 231 |  |  |  | 15 |
Rider CE(1) |  | September 2021 |  | March 2022 |  | May 2022 |  |  | 71 |  |  |  | 61 |
Rider CE(2) |  | October 2022 |  | Pending |  | May 2023 |  |  | 89 |  |  |  | 18 |
Rider E |  | January 2022 |  | September 2022 |  | November 2022 |  |  | 101 |  |  |  | 34 |
Rider GT |  | August 2021 |  | May 2022 |  | June 2022 |  |  | 56 |  |  | N/A |
Rider GT |  | August 2022 |  | Pending |  | June 2023 |  |  | 16 |  |  |  | (40 | )
Rider OSW |  | November 2021 |  | August 2022(3) |  | September 2022 |  |  | 79 |  |  | N/A |
Rider OSW |  | November 2022 |  | Pending |  | September 2023 |  |  | 271 |  |  |  | 192 |
Rider R |  | June 2021 |  | March 2022 |  | April 2022 |  |  | 59 |  |  |  | 1 |
Rider R |  | June 2021 |  | March 2022 |  | April 2023 |  |  | 55 |  |  |  | (4 | )
Rider RGGI(4) |  | December 2021 |  | Withdrawn |  |  |  |  |  |  |  |  |  |
Rider RPS |  | December 2021 |  | June 2022 |  | September 2022 |  |  | 140 |  |  |  | 127 |
Rider SNA(5) |  | October 2021 |  | July 2022 |  | September 2022 |  |  | 107 |  |  | N/A |
Rider SNA(5) |  | October 2022 |  | Pending |  | September 2023 |  |  | 50 |  |  |  | (57 | )
Rider T1(6) |  | May 2022 |  | July 2022 |  | September 2022 |  |  | 706 |  |  |  | (168 | )
Rider U(7) |  | June 2021 |  | March 2022 |  | April 2022 |  |  | 95 |  |  |  | 15 |
Rider U(8) |  | June 2022 |  | Pending |  | April 2023 |  |  | 74 |  |  |  | (21 | )
Rider US-2 |  | October 2021 |  | June 2022 |  | September 2022 |  |  | 11 |  |  |  | 2 |
Rider US-3 |  | August 2021 |  | March 2022 |  | June 2022 |  |  | 50 |  |  |  | 12 |
Rider US-3 |  | August 2022 |  | Pending |  | June 2023 |  |  | 40 |  |  |  | (10 | )
Rider US-4 |  | August 2021 |  | March 2022 |  | June 2022 |  |  | 15 |  |  |  | 5 |
Rider US-4 |  | August 2022 |  | Pending |  | June 2023 |  |  | 17 |  |  |  | 2 |
Rider W |  | June 2022 |  | Pending |  | April 2023 |  |  | 106 |  |  |  | (15 | )
Rider W |  | June 2022 |  | Pending |  | April 2024 |  |  | 109 |  |  |  | 3 |
DSM Riders(9) |  | December 2021 |  | August 2022 |  | September 2022 |  |  | 91 |  |  |  | 17 |
(1) | Associated with solar generation and energy storage projects approved in March 2022, solar generation projects approved in April 2021 and certain small-scale solar projects.
(2) | Associated with solar generation and energy storage projects requested for approval in October 2022 and certain small-scale solar projects in addition to previously approved Rider CE projects.
(3) | In August 2022, Virginia Power filed a petition for limited reconsideration relating to a performance standard for operation of the CVOW Commercial Project included in the Virginia Commission’s August order. The Virginia Commission granted reconsideration and suspended in part the August order pending its reconsideration with Rider OSW approved on an interim basis.
(4) | In January 2022, Virginia Power filed a motion to withdraw its application as a result of the announcement by the Governor of Virginia that he intends to withdraw Virginia from RGGI. The Virginia Commission granted Virginia Power’s motion in April 2022. See additional discussion below.
(5) | Virginia Power also requested approval of cost recovery of approximately $1.2 billion through Rider SNA for the first phase of nuclear life extension program which includes investments through 2024. In April 2022, Virginia Power, the Virginia Commission staff and certain interested parties filed a proposed stipulation recommending that costs incurred after February 2022 associated with the first phase of the nuclear life extension program for North Anna be deferred and requested for recovery in a subsequent Rider SNA filing.
(6) | Consists of $482 million for the transmission component of Virginia Power’s base rates and $224 million for Rider T1.
(7) | Consists of $60 million for previously approved phases and $35 million for phase six costs for Rider U.
(8) | As amended in June 2022, application consists of $74 million for previously approved phases of Rider U.
(9) | Associated with an additional nine new energy efficiency programs with a $140 million cost cap, with the ability to exceed the cost cap by no more than 15%.
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) |
Elmont-Ladysmith rebuild and related projects in the Counties of Hanover and Caroline, Virginia |  | April 2021 |  | April 2022 |  | 500 kV |  | 26 |  | $ | 95 |
Rebuild transmission lines and related projects in the City of Staunton and County of Augusta, Virginia |  | November 2021 |  | August 2022 |  | 230 kV |  | 21 |  |  | 45 |
Build new Dulles Towne Center substation and line loop in the County of Loudoun, Virginia |  | December 2021 |  | July 2022 |  | 230 kV |  | 1 |  |  | 105 |
Nimbus line loop and substation and new 230 kV line in the County of Loudon, Virginia |  | February 2022 |  | October 2022 |  | 230 kV |  | 1 |  |  | 40 |
Partial rebuild of Bristers-Ox 115 kV line in Fauquier and Prince William Counties, Virginia |  | August 2022 |  | Pending |  | 115 kV |  | 15 |  |  | 40 |
Construct new switching station, substations, transmission lines and related projects in Lunenberg and Mecklenburg Counties, Virginia |  | October 2022 |  | Pending |  | 230 kV |  | 18 |  |  | 230 |
Construct new switching station, substation, transmission lines and related projects in Charlotte, Halifax and Mecklenburg Counties, Virginia |  | October 2022 |  | Pending |  | 230 kV |  | 26 |  |  | 215 |
Construct new switching stations, substation, transmission lines and related projects in Loudoun County, Virginia |  | October 2022 |  | Pending |  | 500/230 kV |  | 4 |  |  | 720 |

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