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BackJapan Eyes Replacing Up to 14 Nuclear Reactors by 2050s
Japan Eyes Replacing Up to 14 Nuclear Reactors by 2050s
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朝日新聞6/4/2026Energy1 min readJapan

Japan Eyes Replacing Up to 14 Nuclear Reactors by 2050s

Quick Look

  • Japan's Ministry of Economy, Trade and Industry plans to replace up to 5 nuclear reactors by the 2040s and a maximum of 14 by the 2050s.
  • This is the first specific numerical target set by the government since the Fukushima Daiichi accident, aiming to encourage investment and workforce development in the nuclear industry.

AI-generated summary

Why It Matters

Japan's Ministry of Economy, Trade and Industry has compiled a draft plan to replace nuclear reactors. The plan aims to replace up to 5 reactors by the 2040s and a maximum of 14 by the 2050s. This is the first time the government has set specific numerical targets for reactor replacement since the Fukushima Daiichi nuclear accident.

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The Ministry of Economy, Trade and Industry has compiled a draft plan regarding the replacement (rebuilding) of nuclear power plants that have decided to decommission. The plan aims to replace up to 5 reactors by the 2040s and a maximum of 14 by the 2050s. This is the first time the government has set specific numerical targets for reactor replacement since the Fukushima Daiichi nuclear accident. The aim is to encourage investment and human resource development and acquisition in the nuclear industry.

Multiple government officials revealed this. The Ministry of Economy, Trade and Industry will present the draft plan at a council meeting on the 5th. After a public comment period, it will be finalized at a meeting of relevant ministers in July.

The government has set a goal in the Energy Basic Plan (Ene-ki) to make the nuclear power ratio in Japan's domestic power source composition 20% by 2040.

Quantitative targets are requested by the nuclear industry.

The Ministry of Economy, Trade and Industry, this time, regarding reactors that have started operation for 60 years...

What to Watch

AI outlook — possibilities, not facts

  • The draft plan will be finalized and approved by the relevant ministerial meeting in July.

    Very likely · Within days

  • The nuclear industry will see increased investment and focus on talent acquisition.

    Likely · Within months

Open Questions

  • What specific reactors are being considered for replacement?
  • What are the estimated costs for these replacements?
  • What are the specific plans for workforce development and training?
  • How will public opinion be addressed regarding these plans?

Related Topics

This article was originally published by 朝日新聞.

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