Science, Discovery, Tech and Environment · 23 December 2025
Niigata Local Government Approves Restart of Kashiwazaki-Kariwa Nuclear Power Plant
Exam-focused facts from the 23 December 2025 current affairs briefing.
Key facts
- The partial restart of the Kashiwazaki-Kariwa plant, the world’s largest nuclear power facility, received approval in a vote by the Niigata local government.
- Kashiwazaki-Kariwa is the first plant to be operated by Tokyo Electric Power Co (TEPCO) since the 2011 Fukushima disaster.
- The Ministry of Economy, Trade and Industry (METI) estimates that reactivating the first of seven reactors could boost the electricity supply to the Tokyo area by 2 percent.
- Japan spent 10.7 trillion yen ($68bn) last year on imported liquefied natural gas and coal, representing one-tenth of its total import costs.
- Prime Minister Sanae Takaichi has backed the reopening of nuclear facilities to strengthen energy security and reduce reliance on fossil fuels that contribute to climate change.