Japan considering development of new nuclear reactors

Fumio Kishida made the comment at a “green transformation” conference on bolstering the country’s efforts to curb emissions of greenhouse gases.

August 24, 2022 06:05 pm | Updated 06:05 pm IST - TOKYO

Japan’s Prime Minister Fumio Kishida.

Japan’s Prime Minister Fumio Kishida. | Photo Credit: AP

Japanese Prime Minister Fumio Kishida on August 24 instructed his government to consider developing safer, smaller nuclear reactors, signalling a renewed emphasis on nuclear energy years after many of the country's plants were shut down.

Mr. Kishida made the comment at a “green transformation” conference on bolstering the country’s efforts to curb emissions of greenhouse gases. Japan has pledged to reach carbon neutrality by 2050.

Anti-nuclear sentiment and safety concerns rose sharply in Japan after the 2011 Fukushima nuclear plant disaster, but the government has been pushing for a return to nuclear energy amid worries of power shortages following Russia’s invasion of Ukraine and a global push to reduce greenhouse gas emissions.

The government, however, previously insisted that it was not considering building new plants or replacing aged reactors, apparently to avoid stoking criticisms from a wary public. Mr. Kishida's comment on Wednesday represents a sharp change from that stance.

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Mr. Kishida said the panel presented proposals for the development and construction of “new innovative reactors designed with new safety mechanisms." He called on his government to speed up its examination of “every possible measure” and reach a decision by the end of the year.

“In order to overcome our imminent crisis of a power supply crunch, we must take our utmost steps to mobilise all possible policies in the coming years and prepare for any emergency,” Mr. Kishida said.

“It is extremely important to secure all options to redesign a stable energy supply for our country," Economy and Industry Minister Yasutoshi Nishimura told reporters. “From that perspective, we will also consider all options regarding nuclear power."

Most of Japan's nuclear power plants were taken off line following the Fukushima accident for safety checks under tightened standards.

A magnitude 9.0 earthquake and tsunami destroyed key cooling functions at the Fukushima Daiichi nuclear plant in March 2011, causing its three reactors to melt and contaminating the region with massive radiation fallouts that still keep some areas uninhabitable.

Japanese utilities have since set more than 20 reactors for decommissioning largely because of the high cost of safety measures. Of the 33 workable reactors, 25 have been screened for safety checks by the Nuclear Safety Authority. Seventeen have been approved so far, but only 10 have restarted after gaining consent from local communities, including three currently off line for regular safety inspections.

The government has already announced plans to speed up restarts and have up to nine reactors restarted by winter to cope with the energy crunch. It aims to restart seven other reactors by next summer and further prolong the operational life of aging reactors to beyond 60 years from the initial 40 years.

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