Japan learned from Fukishima nuclear accident, and many outside Japan forget that earthquake and tsunami had bigger impact in terms of material damage and cost of life then the nuclear accident.
Currently, economy of Japan (world biggest LNG importer) is hit hard by the events in Middle East. Because of this goverment starts maximum use of nuclear power policy.
https://www.nucnet.org/news/japan-council-adopts-policy-pack...
https://www.powermag.com/reactor-restart-rekindling-japans-n...
https://ieefa.org/resources/japans-diversified-lng-procureme...