<P> Nuclear power in Germany accounted for 17.7% of national electricity supply in 2011, compared to 22.4% in 2010 . German nuclear power began with research reactors in the 1950s and 1960s with the first commercial plant coming online in 1969 . As of 2017, the share of nuclear power in the electricity sector in the country is decreasing following the decision of a complete nuclear phase - out by the next decade . </P> <P> Nuclear power has been a topical political issue in recent decades, with continuing debates about when the technology should be phased out . The anti-nuclear movement in Germany has a long history dating back to the early 1970s, when large demonstrations prevented the construction of a nuclear plant at Wyhl . The topic received renewed attention at the start of 2007 due to the political impact of the Russia - Belarus energy dispute and in 2011 after the Fukushima nuclear accident in Japan . Within days of the March 2011 Fukushima Daiichi nuclear disaster, large anti-nuclear protests occurred in Germany . Protests continued and, on 29 May 2011, Merkel's government announced that it would close all of its nuclear power plants by 2022 . </P>

When was the first nuclear power plant built in germany