30.03 kW (66 modules). Includes: Design & Engineering Package (plans, PE stamps, BOM/BOS); 66 x Astronergy 455 W bifacial modules; 66 x Tigo TS4-A-O optimizer / rapid shutdown; Tigo Cloud Connect Advanced kit; EG4 GridBOSS MID; 2 x EG4 FlexBOSS21 hybrid inverter; 5 x EG4 16 kWh all-weather battery; Balance of system, racking and wiring ($0.78/W). Professional installation is sold separately.