Virginia Power and Dominion Energy Gas engage in related-party transactions primarily with other Dominion Energy subsidiaries (affiliates). Virginia Power and Dominion Energy Gas’ receivable and payable balances with affiliates are settled based on contractual terms or on a monthly basis, depending on the nature of the underlying transactions. Virginia Power and Dominion Energy Gas are included in Dominion Energy's consolidated federal income tax return and, where applicable, combined income tax returns for Dominion Energy are filed in various states. Dominion Energy’s transactions with equity method investments are described in Note 10. A discussion of significant related-party transactions follows.

Virginia Power transacts with affiliates for certain quantities of natural gas and other commodities in the ordinary course of business. Virginia Power also enters into certain commodity derivative contracts with affiliates. Virginia Power uses these contracts, which are principally comprised of forward commodity purchases, to manage commodity price risks associated with purchases of natural gas. At June 30, 2020, Virginia Power’s derivative assets and liabilities with affiliates were $3 million and $19 million, respectively. At December 31, 2019, Virginia Power’s derivative assets and liabilities with affiliates were $3 million and $53 million, respectively. See Note 9 for more information.

Virginia Power participates in certain Dominion Energy benefit plans described in Note 22 to the Consolidated Financial Statements in the Companies’ Annual Report on Form 10-K for the year ended December 31, 2019. At June 30, 2020 and December 31, 2019, amounts due to Dominion Energy associated with the Dominion Energy Pension Plan and included in other deferred credits and other liabilities in the Consolidated Balance Sheets were $838 million and $782 million, respectively. At June 30, 2020 and December 31, 2019, Virginia Power's amounts due from Dominion Energy associated with the Dominion Energy Retiree Health and Welfare Plan and included in other deferred charges and other assets in the Consolidated Balance Sheets were $318 million and $287 million, respectively.

DES and other affiliates provide accounting, legal, finance and certain administrative and technical services to Virginia Power. In addition, Virginia Power provides certain services to affiliates, including charges for facilities and equipment usage.

The financial statements for all years presented include costs for certain general, administrative and corporate expenses assigned by DES to Virginia Power on the basis of direct and allocated methods in accordance with Virginia Power’s services agreements with DES. Where costs incurred cannot be determined by specific identification, the costs are allocated based on the proportional level of effort devoted by DES resources that is attributable to the entity, determined by reference to number of employees, salaries and wages and other similar measures for the relevant DES service. Management believes the assumptions and methodologies underlying the allocation of general corporate overhead expenses are reasonable.

Presented below are Virginia Power’s significant transactions with DES and other affiliates:

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
(millions)
Commodity purchases from affiliates	$	104	$	119	$	315	$	391
Services provided by affiliates⁽¹⁾		114		161		235		280
Services provided to affiliates		4		8		9		14

Virginia Power has borrowed funds from Dominion Energy under short-term borrowing arrangements. There were $340 million in short-term demand note borrowings from Dominion Energy as of June 30, 2020 and $107 million in short-term demand note borrowings from Dominion Energy as of December 31, 2019. Virginia Power had no outstanding borrowings, net of repayments, under the Dominion Energy money pool for its nonregulated subsidiaries as of June 30, 2020 and December 31, 2019. Interest charges related to Virginia Power’s borrowings from Dominion Energy were immaterial for the three and six months ended June 30, 2020 and 2019.

There were no issuances of Virginia Power’s common stock to Dominion Energy for the three and six months ended June 30, 2020 and 2019.

Dominion Energy Gas transacts with affiliates for certain quantities of natural gas and other commodities at market prices in the ordinary course of business. Additionally, Dominion Energy Gas provides transportation and storage services to affiliates. Dominion Energy Gas also enters into certain other contracts with affiliates and related parties, including construction services, which are presented separately from contracts involving commodities or services. As of June 30, 2020 and December 31, 2019, Dominion Energy Gas did not have any commodity derivative assets or liabilities with affiliates. See Notes 7 and 9 for more information. See Note 10 for information regarding transactions with Atlantic Coast Pipeline. See Note 3 for information regarding the Dominion Energy Gas Restructuring, an affiliated transaction.

Dominion Energy Gas participates in certain Dominion Energy benefit plans as described in Note 21 to the Consolidated Financial Statements in the Companies’ Annual Report on Form 10-K for the year ended December 31, 2019. At June 30, 2020 and December 31, 2019, amounts due from Dominion Energy associated with the Dominion Energy Pension Plan included in other deferred charges and other assets in the Consolidated Balance Sheets were $334 million and $326 million, respectively. At June 30, 2020 and December 31, 2019, Dominion Energy Gas’ amounts due from Dominion Energy associated with the Dominion Energy Retiree Health and Welfare Plan included in other deferred charges and other assets in the Consolidated Balance Sheets were $20 million and $17 million, respectively.

DES, DECGS, DEQPS and other affiliates provide accounting, legal, finance, marketing and certain administrative and technical services to Dominion Energy Gas. Dominion Energy Gas provides certain services to related parties, including technical services.

The financial statements for all years presented include costs for certain general, administrative and corporate expenses assigned by DES, DECGS and DEQPS to Dominion Energy Gas on the basis of direct and allocated methods in accordance with Dominion Energy Gas’ services agreements with DES, DECGS and DEQPS. Where costs incurred cannot be determined by specific identification, the costs are allocated based on the proportional level of effort devoted by DES, DECGS and DEQPS resources that are attributable to the entity, determined by reference to number of employees, salaries and wages and other similar measures for the relevant DES, DECGS and DEQPS service. Management believes the assumptions and methodologies underlying the allocation of general corporate overhead expenses are reasonable.

Presented below are Dominion Energy Gas’ significant transactions with DES, DECGS, DEQPS and other affiliates and related parties:

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
(millions)
Sales of natural gas and transportation and storage services	$	60	$	60	$	128	$	127
Purchases of natural gas and transportation storage services		3		—		6		—
Services provided by related parties⁽¹⁾		37		59		80		104
Services provided to related parties⁽²⁾		29		45		61		90

The following table presents affiliated and related party balances reflected in Dominion Energy Gas’ Consolidated Balance Sheets:

	June 30, 2020		December 31, 2019
(millions)
Other receivables⁽¹⁾	$	7	$	7
Imbalances receivable from affiliates		3		8
Imbalances payable to affiliates⁽²⁾		2		1
Other deferred charges and other assets		10		12

Affiliated receivables at June 30, 2020 and December 31, 2019 included $18 million and $22 million, respectively, of accrued unbilled revenue. This revenue is based on estimated amounts of services provided but not yet billed to various affiliates.

Dominion Energy Gas’ affiliated borrowings and investments are discussed in Note 25 to the Companies’ Annual Report on Form 10-K for the year ended December 31, 2019.

Dominion Energy Gas had $263 million in affiliated notes receivable under the Dominion Energy money pool as of June 30, 2020 and no outstanding receivables as of December 31, 2019. Interest income related to the affiliated notes receivable was less than $1 million and $2 million for the three and six months ended June 30, 2020, respectively.

Interest income on affiliated notes receivable from East Ohio and DGP for borrowings under intercompany revolving credit agreements with Dominion Energy Gas was $3 million and $8 million for the three and six months ended June 30, 2019, respectively.

Interest income earned on DMLPHCII’s promissory note to Dominion Energy was immaterial for both the three and six months ended June 30, 2020 and 2019.

Interest income related to Dominion Energy’s promissory note borrowings with Cove Point was $27 million and $54 million for the three and six months ended June 30, 2019, respectively.

Dominion Energy Gas’ affiliated notes receivable from Dominion Energy totaled $2.3 billion and $1.8 billion at June 30, 2020 and December 31, 2019, respectively. Interest income on these promissory notes was $12 million and $23 million for the three and six months ended June 30, 2020, respectively.

At December 31, 2019, Dominion Energy Gas’ affiliated notes receivable from East Ohio totaled $1.7 billion. In June 2020, East Ohio repaid the remaining principal balance outstanding. Interest income on these promissory notes were $15 million and $33 million for the three and six months ended June 30, 2020, respectively.

Dominion Energy Gas’ borrowings under the intercompany revolving credit agreement with Dominion Energy totaled $314 million and $251 million as of June 30, 2020 and December 31, 2019, respectively. Interest charges related to Dominion Energy Gas’ total borrowings from Dominion Energy were less than $1 million and $2 million for the three months and six months ended June 30, 2020, respectively, and were less than $1 million and $1 million for the three and six months ended June 30, 2019, respectively.

Interest charges related to DCP’s total borrowings from Dominion Energy under an intercompany revolving credit agreement totaled $29 million and $58 million for the three and six months ended June 30, 2019, respectively.

DCP had borrowings of $9 million with DES as of December 31, 2019. No amounts were outstanding as of June 30, 2020. Interest related to DCP’s total borrowings from DES were less than $1 million for the three and six months ended June 30, 2020 and were less than $1 million and $2 million for the three and six months ended June 2019, respectively.

In the first quarter of 2019, Dominion Energy Midstream borrowed $395 million from Dominion Energy under a $400 million promissory note with Dominion Energy that was scheduled to mature in 2022. Interest charges of $3 million and $6 million were incurred for the three and six months ended June 30, 2019, respectively.

For the six months ended June 30, 2020 and 2019, Dominion Energy Gas, including entities acquired in the Dominion Energy Gas Restructuring, distributed $1.7 billion and $323 million to Dominion Energy, respectively.