Choctawhatchee Electric Cooperative Inc., DeFuniak Springs, Florida, has been awarded a maximum $44,781,320 modification (P00071) to a 50-year contract (SP0600-16-C-8314) with no option periods incorporating the economic-price adjustment agreement for electric utility services at Eglin Air Force Base, Florida. This is a fixed-price with economic-price-adjustment contract. The performance completion date is July 31, 2067. Using military service is Air Force. Type of appropriation is fiscal 2024 through 2067 Air Force operations and maintenance funds. The contracting activity is the Defense Logistics Agency Energy, Fort Belvoir, Virginia.