As of February 2026, there were 220 nuclear reactors permanently shutdown worldwide. The United States recorded the largest number of shutdowns, with 41 units. The United Kingdom followed, with 36 reactors. Shutdowns refer to a subcritical reactor state as defined by technical specifications and also require other factors like the reactor control key being secured.
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IAEA. (February 16, 2026). Number of permanent nuclear reactor shutdowns worldwide as of February 2026, by country [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 28, 2026, from /statistics/513639/number-of-permanent-nuclear-reactor-shutdowns-worldwide/
IAEA. "Number of permanent nuclear reactor shutdowns worldwide as of February 2026, by country." Chart. February 16, 2026. ÌÇÐÄÆƽâ°æ. Accessed July 28, 2026. /statistics/513639/number-of-permanent-nuclear-reactor-shutdowns-worldwide/
IAEA. (2026). Number of permanent nuclear reactor shutdowns worldwide as of February 2026, by country. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 28, 2026. /statistics/513639/number-of-permanent-nuclear-reactor-shutdowns-worldwide/
IAEA. "Number of Permanent Nuclear Reactor Shutdowns Worldwide as of February 2026, by Country." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 16 Feb 2026, /statistics/513639/number-of-permanent-nuclear-reactor-shutdowns-worldwide/
IAEA, Number of permanent nuclear reactor shutdowns worldwide as of February 2026, by country ÌÇÐÄÆƽâ°æ, /statistics/513639/number-of-permanent-nuclear-reactor-shutdowns-worldwide/ (last visited July 28, 2026)
Number of permanent nuclear reactor shutdowns worldwide as of February 2026, by country [Graph], IAEA, February 16, 2026. [Online]. Available: /statistics/513639/number-of-permanent-nuclear-reactor-shutdowns-worldwide/
