The aim of the photovoltaic solar facilities connected to the net is to produce electric energy in order to inject it to the net and to be sold to the electric company. This makes the investment to recoup the cost quickly and allows you to obtain important incomes.
The photovoltaic facilities connected to the net generate electricity and inject it to the conventional electric net, and they invoice it to the electric company. This company is legally obliged to buy the electricity at a cost previously established, and the cost is more than 500% of the normal cost of the electricity.
We can classify the facilities connected to the net in two main groups.
The principal advantage is that you can obtain additional incomes by selling the electricity to the electric companies, which are legally obliged to sell it.