What's Happening?
Tokyo Electric Power Company (TEPCO) has restarted a nuclear reactor at the Kashiwazaki-Kariwa plant, marking the first such operation since the Fukushima disaster in 2011. This move is part of Japan's efforts to increase its reliance on nuclear power
to meet energy demands and reduce reliance on imported fossil fuels. The restart of reactor No. 6, which has a capacity of 1.36 gigawatts, is seen as a significant step in Japan's energy policy. The reactor's operation was delayed due to an alarm malfunction, but it is now functioning normally. This development is part of a broader government strategy to boost nuclear power's contribution to the nation's energy mix to about 20 percent by 2030. Prime Minister Sanae Takaichi is advocating for the construction of new-generation and small modular reactors (SMRs) to further enhance energy security.
Why It's Important?
The restart of the Kashiwazaki-Kariwa reactor is a pivotal moment for Japan's energy sector, as it marks a shift back to nuclear power after the Fukushima disaster led to a nationwide shutdown of nuclear facilities. This move is expected to reduce Japan's reliance on fossil fuel imports, particularly liquefied natural gas, which is projected to decrease by 4 million metric tons in 2026. The decision reflects a growing public and governmental support for nuclear energy as a means to secure a stable and decarbonized power supply. The revival of nuclear power is also seen as a response to setbacks in Japan's offshore wind energy projects and the economic pressures from fossil fuel imports.
What's Next?
The successful restart of reactor No. 6 could pave the way for other reactors in Japan to resume operations, pending regulatory approvals. The government is likely to continue its push for new nuclear technologies, including SMRs, to further diversify and secure the country's energy sources. Additionally, Japan's cooperation with the U.S. on nuclear technology could strengthen, as both countries seek to counter the dominance of China and Russia in the global nuclear industry. The focus will also be on ensuring the safety and reliability of nuclear operations to regain public trust and confidence.













