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Thursday 27 October 2016

Japan restarts first reactor since Fukushima disaster

Published 11/08/2015 | 03:28

The reactors of No 1, right, and No 2 at the Sendai Nuclear Power Station in Satsumasendai (Kyodo News/AP)
The reactors of No 1, right, and No 2 at the Sendai Nuclear Power Station in Satsumasendai (Kyodo News/AP)

A power plant operator in southern Japan has restarted a reactor - the first to begin operating under new safety requirements following the Fukushima disaster.

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Kyushu Electric Power said it had restarted the No 1 reactor at its Sendai nuclear plant in Satsumasendai, southern Japan, as planned.

The restart marks Japan's return to nuclear energy four and a half years after the 2011 meltdowns at the Fukushima Dai-ichi nuclear power plant in the north east following an earthquake and tsunami.

National broadcaster NHK showed plant workers in the control room as they turned the reactor back on. Tomomitsu Sakata, a spokesman for Kyushu Electric Power, said the reactor was put back online as planned without any problems.

The disaster displaced more than 100,000 people due to radioactive contamination in the area and spurred a national debate over this resource-scarce country's reliance on nuclear power.

Dozens of protesters including ex-prime minister Naoto Kan, who was in office at the time of the disaster and has become an outspoken critic of nuclear power, were gathered outside the plant as police stood guard.

The Nuclear Regulation Authority affirmed the safety of the Sendai reactor and another one at the plant last September under stricter safety rules imposed after the 2011 accident.

All Japan's nuclear plants were shut down for the past two years. To offset the shortfall in power output, the country ramped up imports of oil and gas and fired up more thermal power plants, slowing progress towards reducing its emissions of greenhouse gases.

Industry minister Yoichi Miyazawa said the government would "put safety first" in resuming use of nuclear power.

Prime minister Shinzo Abe has sought to have the reactors restarted as soon as possible to help reduce costly reliance on imported oil and gas and alleviate the financial burden on utilities of maintaining the idled plants.

Utilities are seeking approvals to restart 23 reactors, including the other Sendai reactor.

The Sendai No 1 reactor is scheduled to start generating power on Friday and reach full capacity next month. The second Sendai reactor is due to restart in October.

"There are very strong vested interests to reopen nuclear reactors. Accepting them as permanently closed would have financial implications that would be hard to manage," said Tomas Kaberger, chairman of the Japan Renewable Energy Foundation.

Utilities are seeking approval to restart 23 reactors, including the other Sendai reactor.

The government has set a goal to have nuclear power meet more than 20% of Japan's energy needs by 2030, despite the lingering troubles at the Fukushima plant, which is plagued by massive flows of contaminated water leaking from its reactors.

Removal of the melted fuel at the plant - the most challenging part of the 30 to-40-year process of shutting it down permanently - will begin only in 2022.

Still, the government favours restarting other plants judged to meet the new safety criteria, for both economic and political reasons. Japan invested heavily in its nuclear power programme and many communities rely on tax revenues and jobs associated with the plants.

Japan also faces pressure to use its stockpile of more than 40 tons of weapons-grade plutonium, enough to make 40 to 50 nuclear weapons. The plutonium, as fuel called MOX, will be burned in reactors since the country's nuclear fuel recycling programme at Rokkasho in northern Japan has been stalled by technical problems.

To burn enough plutonium, Japan needs to restart as many as 18 reactors. Nuclear experts say this could pose a challenge.

Press Association

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