"The self-consumption of cleanly produced electricity relieves grids and the EEG account in favour of citizens and companies," says Hermann Falk, managing director of the German Federation for Renewable Energy BEE.

"A kind of punitive tariff therefore is wrong. The economics ministry's owns studies prove that."

A previous proposal by energy minister Sigmar Gabriel had set the rate for producers who consume their own renewable energy at 50% of the €0.062