The Nuclear Regulation Authority formally confirmed Wednesday that two reactors on the Sea of Japan have met safety standards, paving the way for their restart as early as this fall.

The authority gave final approval to a report submitted by Kansai Electric Power Co. on the Nos. 3 and 4 reactors at the Oi plant in Fukui Prefecture, bringing the number of reactors that have met the standards introduced after the 2011 nuclear accident at the Fukushima No. 1 plant to 12 at six power stations.

For the restart, Kansai Electric still has to pass on-site, pre-operational reviews by the authority and obtain approval from the Fukui Prefectural Government.