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Regulatory Matters (Tables) - Virginia Electric and Power Company | 9 Months Ended
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Sep. 30, 2020
Public Utilities General Disclosures [Line Items] |
Summary of Additional Significant Riders Associated with Virginia Power Projects | Additional 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 US-3 |  | July 2019 |  | March 2020 |  | June 2020 |  | $ | 28 |  |  | $ | 18 |
Rider BW |  | October 2019 |  | June 2020 |  | September 2020 |  |  | 99 |  |  |  | (20 | )
Rider US-2 |  | October 2019 |  | July 2020 |  | September 2020 |  |  | 10 |  |  |  | (5 | )
Rider E |  | January 2020 |  | September 2020 |  | November 2020 |  |  | 85 |  |  |  | (19 | )
Rider B |  | June 2020 |  | Pending |  | April 2021 |  |  | 24 |  |  |  | (8 | )
Rider GV |  | June 2020 |  | Pending |  | April 2021 |  |  | 154 |  |  |  | 22 |
Rider R |  | June 2020 |  | Pending |  | April 2021 |  |  | 59 |  |  |  | 15 |
Rider S |  | June 2020 |  | Pending |  | April 2021 |  |  | 194 |  |  |  | (1 | )
Rider W |  | June 2020 |  | Pending |  | April 2021 |  |  | 120 |  |  |  | 14 |
Rider US-3 |  | July 2020 |  | Pending |  | June 2021 |  |  | 39 |  |  |  | 10 |
Rider US-4 |  | July 2020 |  | Pending |  | June 2021 |  |  | 12 |  |  |  | 4 |
Rider BW |  | October 2020 |  | Pending |  | September 2021 |  |  | 113 |  |  |  | 14 |
Rider US-2 |  | October 2020 |  | Pending |  | September 2021 |  |  | 10 |  |  |  | 0 |
Summary of Additional Significant Virginia Power Electric Transmission Projects Approved and Applied | Additional Virginia Power electric transmission projects applied for and/or approved are as follows:
Description and Location of Project |  | Application Date |  | Approval Date |  | Type of Line |  | Miles of Lines |  | Cost Estimate (millions) |
Rebuild and operate five segments between the Loudoun and Ox substations |  | August 2019 |  | June 2020 |  | 230 kV |  | 19 |  | $ | 70 |
Build new Lockridge substation and line loop in Loudoun County, Virginia |  | December 2019 |  | October 2020 |  | 230 kV |  | <1 |  |  | 35 |
Rebuild and operate two lines in Chesterfield County, Virginia |  | January 2020 |  | June 2020 |  | 230 kV |  | 3 |  |  | 15 |
Bristers-Ladysmith Rebuild Project in the counties of Fauquier, Stafford, Spotsylvania, and Caroline, Virginia |  | May 2020 |  | Pending |  | 500 kV |  | 37 |  |  | 110 |
Relocate and replace a transmission line underground between the Tysons substation and the future Spring Hill substation |  | September 2020 |  | Pending |  | 230 kV |  | <1 |  |  | 30 |
Rebuild and install new line in the Counties of New Kent, King William, King and Queen, Essex and Richmond, Virginia |  | October 2020 |  | Pending |  | 230 kV |  | 41 |  |  | 100 |

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