Hinkley Point C1 and C2, located in the United Kingdom, were the largest nuclear power reactors under construction worldwide as of June 2025, each with a gross capacity of megawatts electrical. China's Shidaowan Guohe 2 ranked second, with a capacity of megawatts.
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World Nuclear Association. (June 19, 2025). Largest nuclear power reactors under construction worldwide in June 2025, by gross capacity (in megawatts electrical) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 23, 2026, from /statistics/267354/largest-nuclear-power-plants-by-electricity-generation/
World Nuclear Association. "Largest nuclear power reactors under construction worldwide in June 2025, by gross capacity (in megawatts electrical)." Chart. June 19, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 23, 2026. /statistics/267354/largest-nuclear-power-plants-by-electricity-generation/
World Nuclear Association. (2025). Largest nuclear power reactors under construction worldwide in June 2025, by gross capacity (in megawatts electrical). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 23, 2026. /statistics/267354/largest-nuclear-power-plants-by-electricity-generation/
World Nuclear Association. "Largest Nuclear Power Reactors under Construction Worldwide in June 2025, by Gross Capacity (in Megawatts Electrical)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 19 Jun 2025, /statistics/267354/largest-nuclear-power-plants-by-electricity-generation/
World Nuclear Association, Largest nuclear power reactors under construction worldwide in June 2025, by gross capacity (in megawatts electrical) ÌÇÐÄÆƽâ°æ, /statistics/267354/largest-nuclear-power-plants-by-electricity-generation/ (last visited July 23, 2026)
Largest nuclear power reactors under construction worldwide in June 2025, by gross capacity (in megawatts electrical) [Graph], World Nuclear Association, June 19, 2025. [Online]. Available: /statistics/267354/largest-nuclear-power-plants-by-electricity-generation/
