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Regulatory Matters (Tables) - Virginia Electric and Power Company | 9 Months Ended
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Sep. 30, 2019
Public Utilities General Disclosures [Line Items] |
Schedule of Additional Significant Riders Associated with Various 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 BW |  | October 2019 |  | Pending |  | September 2020 |  | $ | 120 |  |  | $ | 1 |
Rider US-2 |  | October 2019 |  | Pending |  | September 2020 |  |  | 10 |  |  |  | (5 | )
Summary of Virginia Power Electric Transmission Project Approved or Applied | 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) |
Rebuild and operate the Glebe substation and relocate and operate in Arlington County, Virginia and the City of Alexandria, Virginia existing overhead line underground |  | March 2019 |  | September 2019 |  | 230 kV |  | <1 |  | $ | 125 |
Rebuild and operate five segments between the Loudoun and Ox substations |  | August 2019 |  | Pending |  | 230 kV |  | 19 |  |  | 70 |

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