South Korea is one of the world’s largest nuclear power producers

As of August 2020, South Korea operates a fleet of 24 nuclear reactor units, representing 23.2 gigawatts (GW) of capacity, at four nuclear power complexes. In 2019, South Korea’s nuclear fleet generated 139 terawatthours (TWh) of electricity, making South Korea the fifth-largest nuclear power producer in the world and accounting for 26% of the country’s total electricity generation.