Today the cost of electricity in our country is something we can avoid. The best solution for this is the use of a series of photovoltaic panels that if  have enough quantity can reduce the bill of Electricity to zero ! Approximately you need 3 years bills payment . In other words if you want to reduce your payment to Cyprus Electricity Authority, estimate what is given for 3 years period and this is the amount of money needed for a photovoltaic system.