As of 2017, renewable sources account for 38% of the net electricity production. Compared to the same period of 2016, energy production from renewable energy sources increased from 182 TWh to 210 TWh. It marks the first year where solar and wind are the biggest source of energy. Power production from nuclear power plants decreased by 10%, due to maintenance. Use of hard coal decreased by 16%, while production from lignite stayed on a similar level and increased for gas by 2.6 TWh.