The Renewable Energy Sources Act (EEG as amended in 2000) entered into force on the 1st of April 2000 and replaced the Electricity Feed Act (StrEG) which had been in force since 1991 as the political energy instrument for the support of electricity generation from renewable energy sources in Germany. As a result of the amendments to the Renewable Energy Sources Act (EEG), the provisions of the Act to reform the law on renewable energy sources in the electricity sector have been applicable since the 1st of January 2009.