VPhase plc is a United Kingdom-based alternative energy technology company. It develops a voltage optimization technology for installations in homes and small businesses. The Company's product optimizes the incoming voltage to a constant 220V giving householders energy savings for the whole home with a single VPhase fitted to the consumer unit (fuse box). It also delivers savings on lighting, washing machines, tumble driers, dishwashers, televisions and a whole range of other electrical appliances.