Wolseong Nuclear Power Plant
| Wolseong Nuclear Power Plant | |
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 Location of Wolseong Nuclear Power Plant in South Korea
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| Official name | 월성원자력발전소 |
| Country | South Korea |
| Location | Gyeongju, North Gyeongsang |
| Coordinates | 35°43′0″N 129°28′40″E / 35.71667°N 129.47778°ECoordinates: 35°43′0″N 129°28′40″E / 35.71667°N 129.47778°E |
| Status | Operational |
| Construction began | 1976 |
| Commission date | 1982 |
| Nuclear power station | |
| Reactor type |
PHWR OPR-1000 |
| Reactor supplier | CANDU |
| Power generation | |
| Units operational | 1 × 678 MW (Wolseong I) 3 × 700 MW (Wolseong II–IV) 1 × 997 MW (Shin-Wolsong 1) 1 × 960 MW (Shin-Wolsong 2) |
| Nameplate capacity | 4735 MW |
The Wolseong Nuclear Power Plant, or Wolsong, is a nuclear power plant located on the coast near Nae-ri, Yangnm-myeon, Gyeongju, North Gyeongsang province, South Korea. It is the only South Korean nuclear power plant operating CANDU-type PHWR (Pressurized Heavy Water Reactors).Korea Hydro & Nuclear Power owns the plant. These reactors are capable of consuming multiple types of fuel, including wastes from South Koreas other nuclear plants.
The power plant site including Yangnam-myeon. Yangbuk-myeon and Gampo-eup was designated an industrial infrastructure development zone in 1976. Construction of Wolseong 1 started in 1976 and was completed in 1982. In the following year, the power plant began commercial operations. This PHWR reactor has a gross generation capacity of 678 MW. Wolseong reactors 2, 3 and 4 were completed in 1997, 1998 and 1999, respectively. Each of these reactors has a capacity of 700 MW. Wolseong Nuclear Plant has since operated successfully.
Wolseong Nuclear Power Plant supplies about 5% of South Korea's electricity.
Shin-Wolsong No. 1 and No. 2, are two new OPR-1000 type pressurized water reactors. Shin-Wolsong 1 became fully operational in July 2012.
In June 2013 Shin-Wolsong 1 was shutdown, and Shin-Wolsong 2 ordered to remain offline, until safety-related control cabling with forged safety certificates is replaced. Shin Wolsong-1 was approved for restart in January 2014. In November 2014, Shin Wolsong-2 loaded its first core of nuclear fuel, and the plant was connected to the grid in February 2015, with commercial operation commencing in July 2015.
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