UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): April 8, ~~2025~~2026

Dominion Energy South Carolina, Inc.

(Exact Name of Registrant as Specified in Its Charter)

South Carolina		~~001~~1-3375		57-0248695
(State or other jurisdiction of incorporation)		(Commission File Number)		(IRS Employer Identification No.)

220 Operation Way

Cayce, South Carolina

29033

(Address of Principal Executive Offices)

(Zip Code)

Registrant’s Telephone Number, Including Area Code (804) 819-2284

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act: None

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 18.01 ~~Entry~~Other ~~into a Material Definitive Agreement~~Events.

OnEffective April 8, ~~2025~~2026, Dominion Energy, Inc. ~~(Dominion Energy) and two of its wholly-owned subsidiaries~~, Virginia Electric and Power Company ~~(Virginia Power)~~ and Dominion Energy South Carolina, Inc. ~~(DESC)~~, ~~entered~~as ~~into~~borrowers aunder ~~$7,000,000,000~~the Sixth Amended and Restated Revolving Credit Agreement, ~~(the~~dated ~~Core Credit Facility) with JPMorgan Chase Bank~~April 8, ~~N.A.~~2025 (~~JPMorgan),~~the asCore ~~Administrative~~Revolving ~~Agent,~~Credit ~~Mizuho Bank, LTD. (Mizuho~~Agreement), ~~Bank~~with ofJP ~~America,~~Morgan ~~N.A.,~~Chase ~~The~~ Bank ~~of Nova Scotia and Wells Fargo Bank~~, N.A., as ~~Syndication~~administrative ~~Agents~~agent, ~~JPMorgan,~~and ~~Mizuho,~~the ~~BOFA~~other ~~Securities,~~agents ~~Inc., The Bank of Nova Scotia~~ and ~~Wells~~lenders ~~Fargo~~party ~~Securities~~thereto, ~~LLC,~~received asthe ~~Joint~~consent ~~Lead~~of ~~Arrangers~~the ~~and~~lenders ~~Joint~~to ~~Bookrunners~~extend ~~and~~ the ~~other~~maturity ~~agents~~date ~~and~~of ~~lenders~~the ~~party thereto. The~~ Core Revolving Credit ~~Facility~~Agreement ~~amends~~to ~~and~~April 8, ~~restates its predecessor agreement in its entirety~~2031.

DESC and the co-borrowers can use the Core Credit Facility to support bank borrowings and the issuance of commercial paper, as well as to support the issuance of letters of credit. A maximum of $1,000,000,000 is available to DESC under the Core Credit Facility, assuming adequate capacity is available after giving effect to uses by co-borrowers Dominion Energy and Virginia Power and subject to any sub-limits for DESC agreed to among DESC and the co-borrowers from time to time. The Core Credit Facility matures in April 2030, unless extended.

The foregoing description of the Core Credit Facility does not purport to be complete and is qualified in its entirety by reference to the complete text of such agreement, a copy of which is filed as Exhibit 10.1 to this Current Report on Form 8-K and is incorporated by reference herein.

Item 9.01 Financial Statements and Exhibits.

Exhibits
10.1		$7,000,000,000 Sixth Amended and Restated Revolving Credit Agreement, dated as of April 8, 2025, among Dominion Energy, Inc., Virginia Electric and Power Company, Dominion Energy South Carolina, Inc., JPMorgan Chase Bank, N.A., as Administrative Agent, Mizuho Bank, LTD., Bank of America, N.A., The Bank of Nova Scotia and Wells Fargo Bank, N.A., as Syndication Agents, JPMorgan Chase Bank, N.A., Mizuho Bank, LTD., BOFA Securities, Inc., The Bank of Nova Scotia and Wells Fargo Securities, LLC, as Joint Lead Arrangers and Joint Bookrunners and the other agents and lenders party thereto (filed herewith).
104		Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

DOMINION ENERGY SOUTH CAROLINA, INC. Registrant /s/ ~~Steven~~David DM. ~~Ridge~~McFarland Name: ~~Steven~~David DM. ~~Ridge~~McFarland Title: ~~Executive~~Senior Vice President ~~and~~– ~~Chief~~Investor ~~Financial~~Relations ~~Officer~~and Treasurer

Date: April 98, ~~2025~~2026

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