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Domestic nuclear waste disposal

Japan's Nuclear Waste Disposal Crisis

Analysis based on 19 articles · First reported Jun 10, 2026 · Last updated Jun 11, 2026

Sentiment
-40
Attention
4
Articles
19
Market Impact
General
Live prominence charts, article sentiment distribution, and event development timeline available on the Ergen Dashboard

The lack of a viable permanent disposal plan for spent nuclear fuel in Japan creates significant uncertainty for the country's energy sector and nuclear power companies like Tokyo Electric Power Company. This could lead to future reactor shutdowns, impacting electricity supply and potentially increasing reliance on fossil fuels during a global oil crisis. The proposed site on Japan — Minamitorishima faces public and expert skepticism, indicating potential delays and increased costs for waste management.

Utilities Nuclear Energy Waste Management

Japan has resumed operations at the Kashiwazaki-Kariwa Nuclear Power Plant, the world's largest, to address electricity demands amid a global oil crisis. However, this highlights a critical problem: Japan is running out of space for spent nuclear fuel and lacks a viable permanent disposal plan. Cooling pools at several plants, including Kashiwazaki-Kariwa Nuclear Power Plant, are nearing capacity, threatening future power generation. The Japanese government is considering Japan — Minamitorishima, a remote Pacific island, as a potential disposal site, but this proposal faces skepticism and criticism due to past arbitrary actions and environmental concerns. Prime Minister Sanae Takaichi is pushing for more nuclear restarts, which will further exacerbate the waste problem. Japan's preferred recycling plan for spent fuel has stalled, and experts suggest considering direct disposal. The issue is compounded by the massive, unknown high-level nuclear waste from the 2011 Fukushima Daiichi Nuclear Power Plant disaster.

cnt
Japan is facing a critical issue with spent nuclear fuel storage, which could hinder its energy supply and nuclear power expansion. The country's reliance on nuclear energy and its stalled recycling plan are central to this problem.
Importance 100.0 Sentiment -30.0
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Tokyo Electric Power Company (TEPCO) operates the Kashiwazaki-Kariwa Nuclear Power Plant and is directly affected by the spent fuel storage crisis, as it needs to manage the waste and ensure continued operation.
Importance 75.0 Sentiment -20.0
loc
Japan — Minamitorishima is a remote island being considered by Japan as a potential permanent disposal site for high-level radioactive waste, facing skepticism and criticism from local residents and experts.
Importance 60.0 Sentiment -10.0
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Prime Minister Sanae Takaichi is advocating for bringing more nuclear plants online in Japan, which exacerbates the spent nuclear fuel problem without a clear disposal plan.
Importance 50.0 Sentiment -10.0
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Industry Minister Ryosei Akazawa initiated a feasibility study for a radioactive waste site on Japan — Minamitorishima, highlighting the government's effort to address the waste disposal challenge.
Importance 40.0 Sentiment -10.0
loc
Japan — Ogasawara, Tokyo, which administers Japan — Minamitorishima, was approached by the Japanese government for a feasibility study regarding a high-level radioactive waste site, raising concerns among its residents.
Importance 30.0 Sentiment -10.0
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The Federation of Electric Power Companies of Japan reported that cooling pools at three plants, including Kashiwazaki-Kariwa Nuclear Power Plant, will be full in five years, highlighting the impending crisis.
Importance 25.0 Sentiment -10.0
govactor
The Japan — Ministry of Economy, Trade and Industry reported that cooling pools at Japanese nuclear power plants are nearly 80% full, underscoring the urgency of the spent fuel disposal issue.
Importance 25.0 Sentiment -10.0
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Masaaki Shibuya, the Mayor of Ogasawara, received a letter from Industry Minister Ryosei Akazawa requesting a feasibility study for a radioactive waste site on Japan — Minamitorishima.
Importance 20.0 Sentiment 0.0
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Takeyuki Inagaki, General Manager of Kashiwazaki-Kariwa Nuclear Power Plant, expressed concerns that power generation will stall without solid fuel management plans.
Importance 20.0 Sentiment 0.0
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Lila Okamura, a Senshu University professor, emphasized the need for careful planning for a generations-long project of nuclear waste disposal and highlighted the unknown high-level waste from the Fukushima disaster.
Importance 15.0 Sentiment 0.0
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Satoshi Takano, a member of a government panel, suggested that the move to consider Japan — Minamitorishima for waste disposal seems political due to little opposition from a government-owned remote island.
Importance 15.0 Sentiment 0.0
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Yusuke Hirano, an Ogasawara assembly member, expressed bafflement and concern about the plan to use Japan — Minamitorishima for nuclear waste, citing its status as a UNESCO Natural World Heritage site.
Importance 15.0 Sentiment 0.0
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Mie Kuwabara, a civil activist, criticized the acceleration of reactor restarts without a final destination for spent fuel, calling it irresponsible and expressing skepticism about using Japan — Minamitorishima.
Importance 15.0 Sentiment 0.0
cnt
Finland is mentioned as the location of the world's first final disposal site for spent nuclear fuel, setting a precedent that Japan could potentially follow.
Importance 10.0 Sentiment 10.0
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