In 2014, despite the growth of economy by 1,4 %, the total electricity consumption in Germany was decreased by 8 %. That is a clear sign, that investments into energy efficiency is worth it.
It is very interesting, that FiT of 105€/MWh for the next 20 years is lower than FiT for the electricity produced by the new nuclear power-plant in the United Kingdom (Hinkley Point C) at a level of 117€/MWh.