Commercial paper and letters of credit outstanding, as well as capacity available under the credit facility were as follows:


	Facility Limit		Outstanding Commercial Paper (1)		Outstanding Letters of Credit		Facility Capacity Available
(millions)
At December 31, 2019
Joint revolving credit facility (2)	$	6,000		$836		$89	$	5,075
At December 31, 2018
Joint revolving credit facility (2)	$	6,000		$324		$88	$	5,588

(1)	The weighted-average interest rates of the outstanding commercial paper supported by Dominion Energy’s credit facility was 2.10% and 2.93% at December 31, 2019 and 2018, respectively.

(2)	This credit facility matures in March 2023 and can be used by the borrowers under the credit facility to support bank borrowings and the issuance of commercial paper, as well as to support up to a combined $2.0 billion of letters of credit.

Schedule of Line of Credit Facilities

Virginia Power’s share of commercial paper and letters of credit outstanding under its joint credit facility with Dominion Energy, Dominion Energy Gas, Questar Gas and DESC were as follows:


	Facility Limit		Outstanding Commercial Paper (1)		Outstanding Letters of Credit
(millions)
At December 31, 2019
Joint revolving credit facility (2)		$6,000		$243		$ 7
At December 31, 2018
Joint revolving credit facility (2)		$6,000		$314		$16

(1)	The weighted-average interest rates of the outstanding commercial paper supported by the credit facility was 2.10% and 2.94% at December 31, 2019 and 2018, respectively.

(2)

The full amount of the facility is available to Virginia Power, less any amounts outstanding to

co-borrowers

Dominion Energy, Dominion Energy Gas, Questar Gas and DESC. The

sub-limit

for Virginia Power is set within the facility limit but can be changed at the option of the borrowers under the credit facility multiple times per year. At December 31, 2019, the

sub-limit

for Virginia Power was $1.5 billion. If Virginia Power has liquidity needs in excess of its

sub-limit,

the

sub-limit

may be changed or such needs may be satisfied through short-term intercompany borrowings from Dominion Energy. This credit facility matures in March 2023 and can be used to support bank borrowings and the issuance of commercial paper, as well as to support up to $2.0 billion (or the

sub-limit,

whichever is less) of letters of credit.

Schedule of Line of Credit Facilities

Dominion Energy Gas’ share of commercial paper and letters of credit outstanding under its joint credit facility with Dominion Energy, Virginia Power, Questar Gas and DESC were as follows:


	Facility Limit		Outstanding Commercial Paper (1)		Outstanding Letters of Credit
(millions)
At December 31, 2019
Joint revolving credit facility (2)		$1,500		$62		$—
At December 31, 2018
Joint revolving credit facility (2)		$1,500		$10		$—

(1)	The weighted-average interest rates of the outstanding commercial paper supported by the credit facility was 1.98% and 2.58% at December 31, 2019 and 2018, respectively.

(2)

A maximum of $1.5 billion of the facility is available to Dominion Energy Gas, assuming adequate capacity is available after giving effect to uses by

co-borrowers

Dominion Energy, Virginia Power, Questar Gas and DESC. The

sub-limit

for Dominion Energy Gas is set within the facility limit but can be changed at the option of the borrowers under the credit facility multiple times per year. At December 31, 2019, the

sub-limit

for Dominion Energy Gas was $750 million. If Dominion Energy Gas has liquidity needs in excess of its

sub-limit,

the

sub-limit

may be changed or such needs may be satisfied through short-term intercompany borrowings from Dominion Energy. This credit facility matures in March 2023 and can be used to support bank borrowings and the issuance of commercial paper, as well as to support up to $1.5 billion (or the

sub-limit,

whichever is less) of letters of credit.