Doyon Utilities LLC, Fairbanks, Alaska, has been awarded a maximum $220,107,276 modification (P00263) to a 50-year contract (SP0600-07-C-8263) with no option periods incorporating the test year 2020 tariff rates on an interim and refundable basis for the district heat, electric, water and wastewater utility service charge. This is a regulated tariff contract. Location of performance is Alaska, with an Aug. 14, 2058, performance completion date. Using military service is Army. Type of appropriation is fiscal 2022 through 2058 Army operations and maintenance funds. The contracting activity is the Defense Logistics Agency Energy, Fort Belvoir, Virginia.