South Korea

Total projects
21
Under construction
0
Companies
9
Upcoming reg. events
0

Nuclear overview

South Korea has 21 SMR projects tracked on SMR Brief Pro, ranging from Planning to Operational.

Nuclear Readiness Score

7.7/10
Regulatory: 8Political: 7Grid: 8Public: 6Financing: 8Experience: 9

South Korea possesses a highly mature nuclear regulatory framework and extensive nuclear experience, making it well-prepared for SMR deployment. While political commitment is generally strong, public acceptance remains a moderate challenge that could impact project timelines.

Score updated Jun 22, 2026

Projects in South Korea

South Korea Yeongdeok APR1400 Units 1-2
KHNP
Planning
2800 MWe
i-SMR — South Korea Domestic Deployment
Korea Hydro & Nuclear Power (KHNP) / KAERI
Planning
170 MWe
DL E&C — X-energy Korean Supply Chain Partnership
DL E&C / X-energy
Planning
0 MWe
KHNP i-SMR — South Korean Indigenous SMR
Korea Hydro & Nuclear Power (KHNP) / KEPCO / Korea Atomic Energy Research Institute
Planning
170 MWe
South Korea i-SMR - Gijang
KHNP/KAERI
Planning
170 MWe
Gijang SMR Project
Korea Hydro & Nuclear Power (KHNP)
Planning
700 MWe
South Korea APR1400 - Yeongdeok
KHNP
Planning
2800 MWe
SMART100 Floating Platform — Samsung Heavy Industries
Samsung Heavy Industries / KAERI
Planning
200 MWe
South Korea UAE — Joint Nuclear Export Push
South Korea Government / KHNP / UAE Government
Planning
1400 MWe
Candu Energy — South Korea Wolseong Refurbishment
Candu Energy (AtkinsRéalis) / KHNP
Planning
2100 MWe
South Korea — 3 New Nuclear Plants by 2038 and SMR by 2035
South Korean Government / KHNP
Planning
4500 MWe
South Korea — New Nuclear Plant Site Bidding Process 2026
Korea Hydro & Nuclear Power (KHNP) / South Korean Government
Planning
3000 MWe
Korea New Nuclear Build - Yeongdeok
Korea Hydro & Nuclear Power (KHNP)
Planning
2800 MWe
South Korea — Wolseong 2, 3, 4 Life Extension
Korea Hydro & Nuclear Power (KHNP) / Candu Energy (AtkinsRéalis)
Planning
2100 MWe
South Korea Gijang i-SMR
KHNP
Planning
170 MWe
NuScale VOYGR-6 — Uljin Nuclear Hydrogen Industrial Complex
NuScale Power / GS Energy / Doosan Enerbility / Samsung C&T
Planning
462 MWe
BWRX-300 — Samsung C&T Global Markets Alliance
GE Vernova Hitachi Nuclear Energy / Samsung C&T Corporation
Planning
1200 MWe
Yeongdeok Nuclear Power Plant
Korea Hydro & Nuclear Power (KHNP)
Planning
2800 MWe
South Korea — 6 Emergency Nuclear Restarts (4.75 GW)
Korea Hydro & Nuclear Power (KHNP)
Operational
4750 MWe
South Korea — Saeul 3 Initial Criticality — April 2026
Korea Hydro & Nuclear Power (KHNP)
Operational
1400 MWe
South Korea Kori Unit 2 — Emergency Restart
Korea Hydro & Nuclear Power (KHNP)
Operational
650 MWe

SMR Brief Pro members also see:

  • Regulatory Calendar for South Korea
  • Funding & Grants available in South Korea
  • Deals involving South Korea
  • Country Readiness Score

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Track every SMR project in South Korea with SMR Brief Pro