Public Service Company of Oklahoma, Tulsa, Oklahoma, was awarded a $12,875,000 firm-fixed-price contract for an upgrade of a power grid. Bids were solicited via the internet with one received. Work will be performed in Fort Sill, Oklahoma, with an estimated completion date of March 31, 2023. Fiscal 2010 military construction, Army funds in the amount of $12,875,000 were obligated at the time of the award. U.S. Army Corps of Engineers, Tulsa, Oklahoma, is the contracting activity (W912BV-21-C-0020).