Photo/IllutrationThe Monju prototype fast-breeder reactor in Tsuruga, Fukui Prefecture (Asahi Shimbun file photo)

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Fukui Governor Issei Nishikawa has ditched his opposition to the central government’s plans to decommission the Monju prototype fast-breeder reactor in his prefecture.

Nishikawa had criticized Tokyo for deciding to decommission the reactor in Tsuruga without offering adequate assurances to local residents about such a massive project.

But during a meeting held at the prime minister's office in Tokyo early June 7, he said, "Decommissioning of the Monju fast-breeder reactor is inevitable.”

At the meeting, attended by relevant Cabinet ministers, the government presented Nishikawa with a basic policy to remove spent nuclear fuel from the reactor in five and a half years and complete decommissioning in 30 years.

Hirokazu Matsuno, the science and technology minister, explained that the basic policy includes a plan to transfer spent nuclear fuel outside the prefecture as demanded by Fukui prefectural authorities.

The government will soon formally adopt the basic policy on decommissioning. The Japan Atomic Energy Agency, which operates the Monju reactor, will then draft its own plan for the project.

The government decided to decommission Monju at the end of last year and was initially expected to present the basic plan in April. However, Nishikawa had been airing concerns about the decommissioning.