Regulatory Matters (Tables)

12 Months Ended

Dec. 31, 2019

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 S		May 2019		February 2020		April 2020		$195		$(20	)
Rider GV		May 2019		February 2020		April 2020		132		12
Rider W		May 2019		February 2020		April 2020		106		1
Rider R		May 2019		February 2020		April 2020		44		(13	)
Rider B		May 2019		February 2020		April 2020		32		(6	)
Rider US-3		July 2019		Pending		June 2020		31		21
Rider BW		October 2019		Pending		September 2020		120		1
Rider US-2		October 2019		Pending		September 2020		10		(5	)
Rider E		January 2020		Pending		November 2020		88		(16	)

Summary of Additional Significant Virginia Power Electric Transmission Projects Approved and Applied

Additional significant 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 transmission line between Lanexa and the Northern Neck in Virginia		June 2018		February 2019		230 kV		3		$  30
Build a new substation and connect three existing transmission lines thereto in Fluvanna County, Virginia		October 2018		June 2019		230 kV		<1		30
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 transmission line between Valley, Virginia and Mt. Storm, West Virginia		April 2019		November 2019		500 kV		65		290
Rebuild and operate transmission line between the Suffolk substation and the Virginia/North Carolina state line		May 2019		November 2019		230 kV		11		20
Rebuild and operate five segments between the Loudoun and Ox substations		August 2019		Pending		230 kV		19		70
Build new Evergreen Mills switching station and line loops in Loudoun County, Virginia		December 2019		Pending		230 kV		2		30
Build new Lockridge substation and line loop in Loudoun County, Virginia		December 2019		Pending		230 kV		<1		35