This is a list of all the commercial nuclear reactors in the European Union and in Europe, with operational status. The list only includes civilian nuclear power reactors used to generate electricity for a power grid. All commercial nuclear reactors use nuclear fission. As of May 2021, there are 180 operable power reactors in Europe, with a combined electrical capacity of 159.36 GW.[1] There are currently 8 power reactors under construction in Europe.[2]