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Japanese Prime Minister Fumio Kishida



Photo:

POOL/REUTERS

Energy common sense is in short supply these days, so all the more reason to cheer Japan for rethinking its flight from nuclear power. Prime Minister

Fumio Kishida

on Wednesday unveiled plans to return nuclear energy to a central place in the country’s electric grid.

Tokyo will aim to bring seven reactors back into service, for a total of 17, and will invest in developing and installing next-generation reactors. Nuclear plants generated about a third of the country’s electricity 20 years ago, according to the International Atomic Energy Agency, but that has fallen to 7.2%. Most of the country’s 33 operational reactors have been offline for years undergoing safety checks.

Mr. Kishida is trying to reverse the political overreaction against nuclear power after the 2011 earthquake and tsunami that triggered a disaster at the Fukushima nuclear plant. That crisis exposed close ties among utilities, nuclear construction firms and regulators—a ménage known as the “nuclear village”—that may have compromised safety.

This explains the current round of inspections, and the burden will be on Mr. Kishida to show voters the government has learned its regulatory lessons. Japanese might also want reassurance that this won’t become a subsidy bonanza as nuclear can sometimes be.

As hard as the politics will be, however, Japan has little choice. Japan must import almost all of its coal, oil and natural gas, and the Russian invasion of Ukraine has sent global prices skyrocketing while setting off competition for supply. Japan’s electric grid has barely avoided blackouts this year. The economic costs of chronic energy shortages are starting to loom larger politically than the drawbacks of a nuclear restart.

Perhaps Japan’s decision will get through to Germany, which also started phasing out nuclear after Fukushima and is now mired in a debate about keeping its three remaining reactors online. This should be an easy call as natural gas shortages loom this winter. Advanced economies need reliable base load power, and at least Tokyo understands this.

If climate change is an ‘existential threat to human existence,’ as President Biden suggests, nuclear power may have to be part of the transition from fossil fuels. The Bill Gates-backed TerraPower plant in Wyoming will be a test of that proposition. Images: TerraPower/Reuters Composite: Mark Kelly

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Appeared in the August 26, 2022, print edition.

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