The Nuclear Decommissioning Industry in Busan: Opportunities Opened by the Decommissioning of Kori Unit 1 and Wolsong Unit 1


Announcement of main construction for Kori Unit 1 decommissioning... Activation of domestic nuclear decommissioning industry

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In July 2025,
the nuclear decommissioning market in South Korea has begun to develop in earnest. The decommissioning of Kori Unit 1 is actively underway, and preparations for the decommissioning of Wolsong Unit 1 are also being initiated.

In this context, Busan is emerging as a key region in the domestic and international nuclear decommissioning industry. The city of Busan has achieved the result of formalizing the participation of local companies in the main announcement of decommissioning work through cooperation with Korea Hydro & Nuclear Power. As a result, the industrial ecosystem in Busan and related domestic companies are facing new opportunities.







KEPCO's 'Decommissioning work in non-managed area of Kori Unit 1' main announcement... Mandatory participation of local companies specified

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Korea Hydro & Nuclear Power announced the main announcement regarding the 'decommissioning work in the non-managed area of Kori Unit 1' on July 17. In this regard, the city of Busan succeeded in formalizing the mandatory participation of local companies (based in Busan) in the joint contracting and subcontracting process through several briefings, site visits, and explanation sessions.

In the case of joint contracting, local companies must participate with a minimum investment ratio of 30%, and in the case of subcontracting, evaluation will be done without deduction if companies in Gijang-gun participate with more than 30%. These measures guarantee that local companies in Busan actually have the opportunity to participate and are expected to be an important turning point in creating a locally based nuclear decommissioning ecosystem.

It is anticipated that local companies in Busan will actively participate in decommissioning work, significantly contributing to the development of the local economy and industry.





Busan City prepares to leap as a center for the nuclear decommissioning industry



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Recently, Busan City has steadily expanded the infrastructure of the nuclear industry through the attracting of the Korea Atomic Energy Restoration Institute, establishment of a support center for the production of Small Modular Reactor (SMR) parts, and operation of an energy technology sharing university. Based on this infrastructure, the basis for participating in the decommissioning industry is being materialized, and a system is being established for local companies to participate and achieve results.

On July 25, a site briefing regarding the decommissioning work will be held at the Comprehensive Support Center for Kori Unit 1, with the bidding deadline scheduled for 11 am on August 28. Busan City plans to continuously negotiate to expand local company participation in the management area decommissioning work. Also, through specialized personnel training, business development, and industry-academia-research cooperation projects, they plan to further strengthen the industrial foundation.





Expected beneficiary companies and investment strategies

KNR System Remote Decommissioning Robot


As the decommissioning project of Kori Unit 1 begins in earnest, interest in nuclear decommissioning-related companies is rising.

Remarkable leading companies in various fields include: Doosan Enerbility, KEPCO Engineering & Construction, and KEPCO KPS in the design and engineering sector. In the decontamination and waste disposal sector, OrbiTec, Bitrodech, Daechang Solution, and SeAH Besteel are actively engaged. In remote decommissioning robot technology, Hurim Robot and KNR System are gaining attention, while Woojin EnTec and Hyundai Engineering & Construction are noted in the measurement and construction sectors.

The government aims to achieve a 10% share of the global nuclear decommissioning market by 2035. The experience gained from the decommissioning of Kori Unit 1 is expected to be an important milestone for entering a global market worth approximately 500 trillion won. Under these trends, the growth potential of related companies is becoming more pronounced.





Conclusion: The door of opportunity opens for Busan's nuclear decommissioning industry

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The decommissioning work of Kori Unit 1 promoted by the city of Busan marks an important milestone in the full-fledged start of the nuclear decommissioning industry. This project will contribute to revitalizing the local economy by guaranteeing joint contractor participation of local companies, formalizing the subcontracting scoring system, and easing performance requirements.

Furthermore, this foundation will significantly assist in securing performance necessary for entering the global decommissioning market in the mid to long term. Busan has the potential to grow into a global hub city where nuclear decommissioning technology, talent, and corporate ecosystems converge, beyond just being a benefiting region.

In this bidding, it is expected that local companies will actively participate, positively impacting Busan's future development.



Korea Hydro & Nuclear Power Headquarters: 1655 Bulguk-ro, Munmudaewangmyeon, Gyeongju, Gyeongsangbuk-do



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Frequently Asked Questions (FAQ)

Q. When did the main construction for Kori Unit 1 decommissioning start?
The main construction for Kori Unit 1 decommissioning began in July 2025.

In July 2025, the decommissioning work of Kori Unit 1 began in earnest, activating the nuclear decommissioning market in South Korea. At the same time, preparations for the decommissioning of Wolsong Unit 1 are also actively being made, leading the domestic nuclear decommissioning industry into a new phase.

Q. How does Busan City guarantee participation of local companies in the decommissioning work for Kori Unit 1?
Busan City has mandated a minimum 30% investment from local companies for joint contracting and 30% participation from Gijang-gun companies in subcontracting.

Korea Hydro & Nuclear Power formalized the participation of Busan local companies in the main announcement for decommissioning work in the non-managed area of Kori Unit 1. In the case of joint contracting, local companies must invest a minimum of 30%, and in the case of subcontracting, companies from Gijang-gun will be evaluated without any deductions if they participate at 30% or more. This guarantees actual participation opportunities for local companies in Busan and contributes to the development of the local industrial ecosystem.

Q. What major projects is Busan City undertaking to strengthen the foundation of the nuclear decommissioning industry?
Busan City is promoting the attracting of the Korea Atomic Energy Restoration Institute, establishing a support center for SMR parts production, and operating an energy technology sharing university.

Busan City has continued to attract the Korea Atomic Energy Restoration Institute, establish a support center for Small Modular Reactor (SMR) parts production, and operate an energy technology sharing university to expand the infrastructure of the nuclear industry. Based on this infrastructure, they are establishing the foundation for local company participation and strengthening the industrial ecosystem through various measures including specialized personnel training and industry-academia-research cooperation.

Q. What are the main beneficiary companies related to the Kori Unit 1 decommissioning project?
Notable companies include Doosan Enerbility, KEPCO Engineering, KEPCO KPS, OrbiTec, Bitrodech, and Hurim Robot.

In the design and engineering sectors, Doosan Enerbility, KEPCO Engineering, and KEPCO KPS stand out. In the decontamination and waste disposal sectors, OrbiTec and Bitrodech are active. In the field of remote decommissioning robot technology, Hurim Robot and KNR System are gaining attention, and in the measurement and construction sectors, Woojin EnTec and Hyundai Engineering are noteworthy. These companies are in a favorable position for expanding into domestic and international markets based on their experience in the decommissioning of Kori Unit 1.

Q. What impact does the nuclear decommissioning industry in Busan have on the local economy?
The expansion of local company participation and the creation of an industrial ecosystem contribute to the revitalization of the Busan economy and provide a foundation for global expansion.

The decommissioning work of Kori Unit 1 is directly linked to the revitalization of the local economy through institutional support such as joint contracting participation of local companies and subcontracting scoring systems. Additionally, this allows for the accumulation of performance and technological capabilities needed for entering the global nuclear decommissioning market in the mid to long term, positioning Busan to potentially grow into a global hub city for the nuclear decommissioning industry.


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