Regulatory Matters (Tables) - Virginia Electric and Power Company

12 Months Ended

Dec. 31, 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			—
Rider E	January 2021	Pending	November 2021	67			(18	)

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 five segments between the Loudoun   and Ox substations	August 2019	June 2020	230 kV	19	70
Build new Lockridge substation and line loop in Loudon   County, Virginia	December 2019	October 2020	230 kV	< 1	35
Bristers-Ladysmith Rebuild Project in the    Counties of Fauquier, Stafford, Spotsylvania    and Caroline, Virginia	May 2020	February 2021	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 an existing transmission line and install new line adjacent thereto in the Counties of New Kent, King William, King and Queen, Essex and Richmond, Virginia	October 2020	Pending	230 kV	41	100
Rebuild Clubhouse - Dry Bread Line and Dry Bread -    Lakeview Line in Greensville County, Virginia	November 2020	Pending	230 kV	13	20
Rebuild transmission lines and related projects in the    Counties of York and James City and the City of    Williamsburg, Virginia	January 2021	Pending	230 kV	11	30