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World Nuclear Power Reactors 1951–2025
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South Korea
Under Construction
3
Operating
24
Long-Term Outage
2
Closed
2
Number of Reactors
(as of July 2025)
22.8
Mean Age of Reactor Fleet
(as of July 2025)
31.5%
Increase
Nuclear Share in Electricity Production
(2023)
WNISR
in the Media –
22 November 2024 [ko]
ESG
경제/Economy of Sustainable Growth (South Korea)
SMR
상용화 언제? "갈수록 커가는 기대와 현실 사이의 격차”
미국,
SMR
건설 한 기도 없어...시범사업 진행중인 나라도 중국과 러시아뿐 • 미
·
프랑스
·
영국 등
SMR
프로젝트 연달아 지연 및 취소...비용과 승인 문제 • 러시아,
EU
등에 연료 공급 독점...
EU
, 러시아 원전 기업에 기술적 종속 김연지 • 21 November 2024 [
ESG
경제신문=김연지 기자] 소형모듈형원전(
SMR
) 프로젝트가 높은 비용과 인허가 문제로 지연되거나 취소되는 사례가 잇따르는 것으로 나타났다. 높은 관심도와 투자에 비해 실제 산업 현장의 진행 속도는 더딜 수 있다는 분석이 나온다. 세계 각국의 원자력 발전 전문가 21명의 다중지표 분석을 토대로 지난 9월 발간된 ‘세계원자력산업현황보고서(
WNISR
) 2024’에 따르면, 현재
SMR
을 가동하고 있는 나라는 중국과 러시아뿐이다. 그나마 시범사업이 진행되고 있고 상업용
SMR
을 가동하는 것은 아니다.
WNISR
은 국제원자력기구(
IAEA
)의 ‘세계원자로현황’, (…)
WNISR
in the Media –
7 October 2024
The Hankyoreh (South Korea)
‘Great deal of uncertainty’ as to if Korea will benefit from Czech nuclear deal, report says
The World Nuclear Industry Status Report 2024 noted that the project’s costs prove “too much for Czech governmental financing” Choi Won-hyung • 4 October 2024 After Korea Hydro & Nuclear Power (
KHNP
) was selected in July as the preferred bidder for the construction of nuclear facilities in Dukovany, Czech Republic, the World Nuclear Industry Status Report 2024 now claims that the estimated construction cost of
US
$17.5 billion is “too much for Czech governmental financing.” It was (…)
WNISR
Essential News –
15 June 2022
WNISR
South Korea Starts Up a Long-Delayed Nuclear Reactor
WNISR
, 14 June 2022 On 9 June 2022, the South Korean nuclear utility Korea Hydro & Nuclear Power (
KHNP
) announced the first grid connection of Shin-Hanul-1. The nuclear plant is located in Uljin, North Gyeongsang Province, and this is the second reactor to start up in South Korea in five years. Construction of the 1340-
MW
Pressurized Water Reactor (
PWR
) of the
APR
-1400 design started ten years ago on 10 July 2012 and first electricity generation was originally scheduled for 2017. (…)
WNISR
Essential News –
25 April 2019
First New Reactor Connected to the Grid in the World in 2019, in South Korea
WNISR
, Thursday, 25 April 2019 Shin Kori-4, located at Gori in the city district of Busan in the south east of the Republic of Korea, was connected to the grid on 22 April 2019, five years later than planned. The Korea Hydro and Nuclear Power (
KHNP
) owned reactor is the second
APR1400
(Advanced Pressurized Reactor) design to begin operation and the nation’s 26
th
commercial nuclear reactor. It is the first nuclear reactor to be commissioned in the world after Tianwan-4 started up six (…)
The Annual Reports –
4 September 2018
Nuclear Power: Strategic Asset, Liability or Increasingly Irrelevant?
The World Nuclear Industry Status Report 2018 Released
Paris, London, 4 September 2018. Nuclear power plants added a total of 7-gigawatt (
GW
) capacity to the world’s electricity grids in 2017 and the first half of 2018, a tiny fraction of the total from all sources, which is estimated at some 257
GW
(net) in 2017, including 157
GW
of renewable capacity (the largest increase ever). Over that 18-month period, six reactors started up in China, two in Russia and one in Pakistan. For the third year in a row, excluding China, global nuclear power generation has declined, finds the World Nuclear Industry Status Report 2018 (
WNISR2018
).
WNISR
Essential News –
19 June 2017
South Korea Marks Nuclear Policy Turn by Shutting Down Oldest Reactor
South Korea Marks Nuclear Policy Turn by Shutting Down Oldest Reactor World Nuclear Industry Status Report (
WNISR
), 19 June 2017 The Kori-1 reactor in Gijang County north of the city of Busan was disconnected from the power grid on 18 June 2017, exactly forty years after it started generating electricity, on 19 June 1977. Operated by Korea Hydro & Nuclear Power (
KHNP
), which is a wholly owned subsidiary of Korea Electric Power Corporation (
KEPCO
), it becomes the first commercial (…)
WNISR
Essential News –
22 February 2012
South Korea: Two Grid Connections in January
22 February 2012. The International Atomic Energy Agency (
IAEA
) announced today that two new reactors were connected to the South-Korean electricity grid, Shin-Wolsong-1 on 27 January and Shin-Kori-2 on 28 January 2012, both 960
MW
Pressurized Water Reactor (
PWR
).