At over * metric tons of uranium, Illinois was ranked first in 2021 among all states in the United States for the largest volume of spent nuclear fuel stored in nuclear plant sites. Pennsylvania ranked second that year, at over metric tons of used commercial nuclear fuel being stored.
Used or spent nuclear fuel refers to uranium fuel rods that are too depleted to sustain a nuclear reaction. The used nuclear fuel can be recycled.
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NEI. (August 15, 2022). Commercial used nuclear fuel storage at nuclear power plant sites in leading U.S. states as of December 31, 2021 (in metric tons of uranium) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 24, 2026, from /statistics/185287/us-state-by-state-commercial-nuclear-used-fuel/
NEI. "Commercial used nuclear fuel storage at nuclear power plant sites in leading U.S. states as of December 31, 2021 (in metric tons of uranium)." Chart. August 15, 2022. ÌÇÐÄÆƽâ°æ. Accessed July 24, 2026. /statistics/185287/us-state-by-state-commercial-nuclear-used-fuel/
NEI. (2022). Commercial used nuclear fuel storage at nuclear power plant sites in leading U.S. states as of December 31, 2021 (in metric tons of uranium). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 24, 2026. /statistics/185287/us-state-by-state-commercial-nuclear-used-fuel/
NEI. "Commercial Used Nuclear Fuel Storage at Nuclear Power Plant Sites in Leading U.S. States as of December 31, 2021 (in Metric Tons of Uranium)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 15 Aug 2022, /statistics/185287/us-state-by-state-commercial-nuclear-used-fuel/
NEI, Commercial used nuclear fuel storage at nuclear power plant sites in leading U.S. states as of December 31, 2021 (in metric tons of uranium) ÌÇÐÄÆƽâ°æ, /statistics/185287/us-state-by-state-commercial-nuclear-used-fuel/ (last visited July 24, 2026)
Commercial used nuclear fuel storage at nuclear power plant sites in leading U.S. states as of December 31, 2021 (in metric tons of uranium) [Graph], NEI, August 15, 2022. [Online]. Available: /statistics/185287/us-state-by-state-commercial-nuclear-used-fuel/
