The Japan Atomic Energy Agency has revealed that the scrapping of the Tokai Reprocessing Plant, the nation’s first facility for reusing spent nuclear fuel, will cost an estimated ¥800 billion, an official said.
The state-backed JAEA did not reveal the cost to taxpayers in 2014, when it made the decision to shut down the plant in the village of Tokai, Ibaraki Prefecture, over a 70-year period.
The facility started operation in 1977 as part of Japan’s desire to establish a nuclear fuel cycle, in which all spent fuel is reprocessed to extract its plutonium and uranium to make more fuel. The policy is designed to ensure resource-dependent Japan uses its nuclear fuel as efficiently as possible.
According to the official, the startling decommissioning estimate is based on an estimate the agency made in 2003. The JAEA is finalizing the assessment and on course to submit it for approval by the Nuclear Regulation Authority as early as June.
The three-tier disposal scheme for the waste generated by the Tokai Reprocessing Plant is based on radiation level.
In the meantime, the plant’s tainted equipment and facilities will need to be decontaminated and scrapped before being filled with cement and mortar and put in drums for transport to a final disposal site.
The big problem is, there has been little progress in deciding where to bury the drums because they can’t find anyone willing to accept them.
Despite the Fukushima nuclear disaster, the government is trying to resume nuclear power generation and continue its pursuit of a nuclear fuel cycle.
This policy, however, has experienced setbacks from the recent decision to decommission the Monju fast-breeder reactor, an experimental facility in Fukui Prefecture that was considered key to the nuclear fuel cycle plan.
And the completion of a new fuel reprocessing plant in the village of Rokkasho, Aomori Prefecture, has also been largely behind schedule for years.
The JAEA facility is not to be confused with the private uranium-processing facility in Tokai where a fatal criticality accident occurred in 1999.