Capacity outages at U.S. nuclear power plants averaged 3.1 gigawatts this summer

Daily capacity outages at U.S nuclear power plants averaged 3.1 gigawatts (GW) during the summer of 2021 (June 1 through August 31), 22% less than the 4.0 GW average in summer 2020. Nuclear capacity outages were lowest in August, when they averaged 1.7 GW for the month.