Regulatory Matters (Tables)

6 Months Ended

Jun. 30, 2024

Public Utilities General Disclosures [Line Items]

Summary of Significant Virginia Power Electric Transmission Projects Applied

Description and Location of Project	Application Date	Approval Date	Type of Line	Miles of Lines	Cost Estimate (millions)(1)
Construct new Aspen and Golden substations,   transmission lines and related projects in Loudoun   County, Virginia	March 2024	Pending	500- 230 kV	10	$	690
Partial rebuild Fredericksburg-Aquia Harbour   transmission lines and related projects in Stafford   County and the City of Fredericksburg, Virginia	March 2024	Pending	230- 115 kV	24		135
Construct new Apollo-Twin Creeks transmission   lines, new substations and related projects in   Loudoun County, Virginia	March 2024	Pending	230 kV	2		285
Rebuild Dooms-Harrisonburg transmission lines   and related projects in the Counties of Augusta   and Rockingham and the Town of Grottoes,   Virginia	April 2024	Pending	230 kV	22		60
Rebuild and construct new Fentress-Yadkin   transmission lines and related projects in the   City of Chesapeake, Virginia	June 2024	Pending	500 kV	14		205
Partial rebuild, reconductor and construct new   Network Takeoff transmission lines and related   projects in the Counties of Fairfax and Loudoun,   Virginia	July 2024	Pending	230 kV	6		170

(1)Represents the cost estimate included in the application except as updated in the approval if applicable. In addition, Virginia Power had various other transmission projects approved or applied for and currently pending approval with aggregate cost estimates of approximately $145 million and $25 million, respectively.

Virginia Electric and Power Company

Public Utilities General Disclosures [Line Items]

Significant Riders Associated With Virginia Power Projects

Rider Name	Application Date	Approval Date	Rate Year Beginning	Total Revenue Requirement (millions)(1)		Increase (Decrease) from Previous (millions)
Rider CCR	March 2024	Pending	December 2024	$	103	$	(91	)
Rider CE(2)	October 2023	March 2024	May 2024		133		44
Rider GEN(3)	June 2024	Pending	April 2025		438	N/A
Rider GEN	June 2024	Pending	April 2026		311		(127	)
Rider GT	August 2023	May 2024	June 2024		145		131
Rider OSW	November 2023	July 2024	September 2024		486		215
Rider RPS	December 2023(7)	Pending	September 2024		358		262
Rider SNA	October 2023	July 2024	September 2024		69		19
Rider T1(4)	May 2024	July 2024	September 2024		1,170		291
Rider U(5)	October 2023	July 2024	August 2024		150		76
DSM Riders(6)	December 2023	July 2024	September 2024		86		(21	)

(1)In addition, Virginia Power has various riders associated with other projects with an aggregate total annual revenue requirement of approximately $20 million as of June 30, 2024.

(2)The Virginia Commission approved four solar generation projects and 13 power purchase agreements in addition to previously approved Rider CE projects. In addition, the approved total revenue requirement includes amounts which had previously been collected under a separate rider.

(3)Includes $348 million in total revenue requirement related to the consolidation of Riders BW, GV and four other riders associated with generation facilities, ceasing the separate collection of rates under these riders effective April 1, 2025 and the extension of existing rates for Rider BW through March 2025. In addition, Virginia Power also requests approval to recover costs associated with the Virginia LNG Storage Facility described above.

(4)Consists of $532 million for the transmission component of Virginia Power’s base rates and $638 million for Rider T1.

(5)Consists of $72 million for previously approved phases and $78 million for phase seven costs for Rider U. In addition, the Virginia Commission approved Virginia Power’s request to extend existing rates for Rider U through July 2024.

(6)Associated with an additional three new energy efficiency programs and one new demand response program with a $102 million cost cap, with the ability to exceed the cost cap by no more than 15%.

(7)Virginia Power amended its application in February 2024.

In June 2024, the Virginia Commission approved Virginia Power’s request, filed in May 2024, to cease Rider RGGI effective July 2024.