Micro Controller based Energy Meter is a direct type energy meter for currents up to 40 or 60 amp. The Energy Meter is panel mounted with size 96 X 96 X 110 and comes with LED display. The Energy Meter is capable of measuring power consumption of dual sources i.E. DG and mains supply by automatic sensing of each source. The Micro Controller based Energy Meter has non-volatile memory for data storage.