One unit of vitrified radioactive waste stored by the Japan Atomic Energy Agency represents a container with a height of around 1,040 mm and an outer diameter of around 430 mm.
One unit of vitrified radioactive waste stored by Japan Nuclear Fuel Limited is a container with a height of about 1,340 mm and an outer diameter of around 430 millimeters.
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Storage amount of high-level radioactive waste Japan 2024, by company
As of March 2024, the amount of high-level radioactive waste stored in the waste management facility of Japan Nuclear Fuel Limited amounted to around  units of vitrified material. The total amount of high-level radioactive waste stored in Japan amounted to approximately Ìý³Ü²Ô¾±³Ù²õ.
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JAEC. (July 15, 2025). Amount of high-level radioactive waste stored in Japan as of March 2024, by company (in units) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 29, 2026, from /statistics/1197761/japan-high-level-radioactive-waste-storage-amount-by-company/
JAEC. "Amount of high-level radioactive waste stored in Japan as of March 2024, by company (in units)." Chart. July 15, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 29, 2026. /statistics/1197761/japan-high-level-radioactive-waste-storage-amount-by-company/
JAEC. (2025). Amount of high-level radioactive waste stored in Japan as of March 2024, by company (in units). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 29, 2026. /statistics/1197761/japan-high-level-radioactive-waste-storage-amount-by-company/
JAEC. "Amount of High-level Radioactive Waste Stored in Japan as of March 2024, by Company (in Units)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 15 Jul 2025, /statistics/1197761/japan-high-level-radioactive-waste-storage-amount-by-company/
JAEC, Amount of high-level radioactive waste stored in Japan as of March 2024, by company (in units) ÌÇÐÄÆƽâ°æ, /statistics/1197761/japan-high-level-radioactive-waste-storage-amount-by-company/ (last visited July 29, 2026)
Amount of high-level radioactive waste stored in Japan as of March 2024, by company (in units) [Graph], JAEC, July 15, 2025. [Online]. Available: /statistics/1197761/japan-high-level-radioactive-waste-storage-amount-by-company/
