greenhouse gas emissions by 2050, the development path will have to mean: a 55% reduction by 2030, a 70% reduction by 2040 and an 80-95% reduction by 2050. By 2020 renewable energies are to account for 18% of gross final energy consumption. After that, the German government will seek to make renewable energies account for the following proportion of gross final energy consumption: 30 % by 2030, 45% by 2040 and 60% by 2050. By 2020 electricity generated from renewable energy sources is to account for 35% of gross electricity consumption. Following this, the German government will seek to increase the propor- tion of gross electricity consumption contributed by electricity from renewable energy sources to: 50% by 2030, 65% by 2040 and 80% by 2050.