1. SOLAR PANELS – Converting sunlight into direct current ----- 2. INVERTER –The brain of the system, converting DC current into usable AC current ----- 3. CABLING – Connecting to your Distribution Board (DB Box) ----- 4. GRID POWER – For Grid-Tied PV system ----- 5. SCADA – Monitoring System ----- 6. THE FOLLOWING ARE OPTIONAL: Battery Storage and Lightning Protection.