sentences:  As of 8 December 2014, the National Council has voted to limit the operational life-time of the Beznau Nuclear Power Plant to 60 years, forcing its two reactors to be decommissioned by 2029 and 2031, respectively.A popular initiative calling for nuclear power phase-out by 2029 was rejected by voters in 2016; however, on 1 January 2018 an amendment (article 12a) to the Swiss Nuclear Energy Act ("Kernenergiegesetz") came into effect, prohibiting the issuing of new general licences for nuclear power plants.Switzerland has three nuclear power plants with four reactors in operation as of late December, 2019