Dominion Energy South Carolina Inc., Cayce, South Carolina, has been awarded an estimated $12,551,467 modification (P00032) to a 50‐year contract (SP0600‐18‐C‐8326) with no option periods for the ownership, operation and maintenance of the natural gas distribution utility systems at Fort Jackson, South Carolina. This is a regulated tariff contract. The performance completion date is Nov. 18, 2069. Using military service is Army. Type of appropriation is fiscal 2023 through 2070 Army operations and maintenance funds. The contracting activity is the Defense Logistics Agency Energy, Fort Belvoir, Virginia.