Duke Energy Florida to Build 22 MW Battery Storage System Updated On Tue, Jun 4th, 2019 by Saurenergy The company has scheduled the completion of all three projects by the end of 2020. Duke Energy Florida (DEF) has announced three battery storage projects, totaling 22 megawatts, that will improve overall reliability and support critical services during power outages. Collectively, the storage facilities will enhance grid operations, increase efficiencies and improve overall reliability for surrounding […] Read more