The Wolseong Nuclear Power Plant, or Wolsong,[1] is a nuclear power plant located on the coast near Nae-ri, Yangnam-myeon, Gyeongju, North Gyeongsang province, South Korea.

It is the only South Korean nuclear power plant operating CANDU-type PHWR (Pressurized Heavy Water Reactors).

[3] These reactors are capable of consuming multiple types of fuel, including wastes from South Korea's other nuclear plants.

[2] Wolseong Nuclear Power Plant supplies about 5% of South Korea's electricity.

[8] In November 2014, Shin Wolsong-2 loaded its first core of nuclear fuel,[8] and the plant was connected to the grid in February 2015,[9] with commercial operation commencing in July 2015.