New 20MW Battery Energy Storage System (BESS) facility for Fluence Energy. Construction includes rough grade and concrete foundations to mount battery cubes and associated control equipment, including inverters and transformers. Final grade and installation of perimeter fence poss and two bioswales. Because the facility will be unoccupied, no potable water system or sanitary sewer system is proposed. Site development includes grading, drainage, access roads, storm water detention, pollution controls, and yard surfacing rock.