Kori Nuclear Power Plant

Kori Nuclear Power Plant
Name	Kori Nuclear Power Plant
Location	Busan, South Korea
Operator	Korea Hydro & Nuclear Power
Status	Operational / Decommissioning
Units	Multiple PHWR and PWR units
Capacity	~5,900 MW (varies)
Commissioned	1977 (unit 1)

Kori Nuclear Power Plant

Overview

Kori Nuclear Power Plant is a multi-unit nuclear power complex located near Busan and adjacent to Yangsan and the Sea of Japan, operated by Korea Hydro & Nuclear Power and owned by the Korea Electric Power Corporation. The site comprises several pressurized water reactor units and a pressurized heavy water reactor unit developed through collaborations involving Korea Atomic Energy Research Institute, KEPCO E&C, and international partners such as Westinghouse Electric Company and Atomic Energy of Canada Limited. The complex plays a significant role in South Korea’s national energy portfolio alongside sites like Gori Nuclear Power Plant and Hanul Nuclear Power Plant, contributing baseload electricity to the Korea Electric Power Corporation grid and interfacing with regional infrastructure including Busan Port and national energy planning by the Ministry of Trade, Industry and Energy.

History and Development

Construction and early commissioning at the site trace to the 1970s amid South Korea’s rapid industrialization policies under leaders such as Park Chung-hee and strategic energy initiatives like the nation’s five-year economic plans. Initial contracts engaged foreign firms including Canada’s Atomic Energy of Canada Limited for heavy water reactor technology and U.S. firms for pressurized water reactor components, reflecting broader Cold War-era technology transfers between South Korea and allies such as the United States Department of Energy and industrial partners like Combustion Engineering. Over subsequent decades expansions paralleled developments at other Korean sites including Wolsong Nuclear Power Plant and Uljin Nuclear Power Plant, shaped by regulatory frameworks from the Nuclear Safety and Security Commission and legislative actions of the National Assembly of South Korea.

Reactor Units and Technical Specifications

The complex historically included a variety of reactor designs: an early pressurized heavy water reactor (PHWR) and multiple pressurized water reactors (PWRs) of differing generations. Design influences came from companies such as Westinghouse and Areva and were adapted by domestic firms Doosan Heavy Industries & Construction and Korea Electric Power Corporation Engineering & Construction (KEPCO E&C). Key technical parameters encompass reactor thermal capacity, net electrical output, steam generator design, and containment systems compliant with standards promulgated by organizations like the International Atomic Energy Agency and the Institute of Nuclear Power Operations. Fuel cycle considerations involved cooperation with the Korea Atomic Energy Research Institute for fuel fabrication and spent fuel management linked to national policies and facilities including the Radioactive Waste Management Corporation.

Operations, Safety and Incidents

Operational oversight has involved safety authorities such as the Nuclear Safety and Security Commission and monitoring by agencies like the Korea Institute of Nuclear Safety. The site’s safety record includes routine outages, refueling operations coordinated with suppliers such as Westinghouse and domestic fabrication by KEPCO E&C, as well as responses to incidents that prompted regulatory reviews invoking standards from the International Atomic Energy Agency and lessons drawn from international events like the Fukushima Daiichi nuclear disaster. Emergency preparedness has been linked to municipal authorities in Busan and national disaster frameworks managed by the Ministry of the Interior and Safety and evaluated by academic institutions including Seoul National University and KAIST.

Decommissioning, Life Extension and Upgrades

Decommissioning of early units triggered programs involving firms like Korea Hydro & Nuclear Power and specialist contractors for dismantling, waste treatment, and site remediation guided by laws enacted by the National Assembly of South Korea. Life extension and upgrade programs used technologies from Westinghouse, Areva, and domestic engineering from Doosan and KEPCO E&C to implement steam generator replacements, digital instrumentation and control modernization, and seismic retrofits consistent with guidance from the International Atomic Energy Agency and regional seismic authorities. Spent fuel and high-level waste strategies invoked coordination with the Radioactive Waste Management Corporation and national policy debates involving stakeholders such as Citizens’ groups, provincial governments including Busan Metropolitan City, and research institutes including KAERI.

Environmental and Economic Impact

Environmental assessments have considered marine thermal discharges to the Sea of Japan and coastal ecosystems near Busan and Yangsan, engaging environmental regulators and research by institutions like Korea Marine Environment Management Corporation and universities such as Pusan National University. Economic impacts include employment and supply-chain activity involving conglomerates like Hyundai Heavy Industries and ancillary industries, contributions to national GDP during commissioning phases, and interactions with energy market structures overseen by the Korea Power Exchange. Public debate over nuclear policy has featured political parties in the National Assembly of South Korea, civil society groups, and media outlets such as Korea Herald and Yonhap News Agency.

Future Plans and Expansion

Future strategies for the site reflect national energy policy deliberations led by the Ministry of Trade, Industry and Energy, investment decisions by Korea Hydro & Nuclear Power, and technology options from vendors like Westinghouse and domestic developers including KEPCO E&C. Plans have considered new-generation reactor concepts, grid integration with projects by the Korea Electric Power Corporation, and alignment with international frameworks including the International Atomic Energy Agency and bilateral agreements with partners such as the United States and Canada. Stakeholder engagement with municipal authorities in Busan, provincial officials, and academic partners such as KAIST will shape timelines for any new construction, life-extension campaigns, or transitions to alternative energy systems.

Category:Nuclear power stations in South Korea