This federal contract opportunity solicitation seeks proposals to replace three mission essential systems at a Central Utility Plant facility on an Air Force base. Specifically, the solicitation requests proposals to: 1) replace transformers and associated grounding and interconnecting lines in the transformer yard; 2) replace eight roof-mounted exhaust fans and associated wall louvers and thermostats in the power generation system area; and 3) replace obsolete generator synchronizers, load controllers, PLC-based generator controller, and the generator operator HMI computer and programming. The solicitation was issued by the 50th Civil Engineer Squadron of the Department of the Air Force Space Command.