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Regulatory Matters - Summary of Virginia Power Electric Transmission Project Applied (Detail) - Virginia Electric and Power Company - Virginia Regulation $ in Millions | 9 Months Ended
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Sep. 30, 2019 USD ($) kV mi
Rebuild and Operate Glebe Substation and Relocate and Operate in Arlington County, Virginia and City of Alexandria, Virginia Existing Overhead Line Underground |
Public Utilities General Disclosures [Line Items] |
Application Date | 2019-03
Approval Date | 2019-09
Type of Line | kV | 230
Cost Estimate (millions) | $ | $ 125
Rebuild and Operate Glebe Substation and Relocate and Operate in Arlington County, Virginia and City of Alexandria, Virginia Existing Overhead Line Underground | Maximum [Member] |
Public Utilities General Disclosures [Line Items] |
Miles of Lines | mi | 1
Rebuild and Operate Five Segments Between the Loudoun and Ox Substations |
Public Utilities General Disclosures [Line Items] |
Application Date | 2019-08
Approval Date | Pending
Type of Line | kV | 230
Miles of Lines | mi | 19
Cost Estimate (millions) | $ | $ 70

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