Kansai Electric Power Co. will resume generating and transmitting electricity at the No. 3 reactor at the Takahama nuclear power plant on July 26, the company announced on July 19.
Prime Minister Fumio Kishida said the central government intends to bring up to nine nuclear reactors online this winter to prepare for possible power shortages during peak periods.
Five of Japan's 10 major power utilities have reported consolidated net losses for the year through March as fuel costs jumped on soaring prices for liquefied natural gas and coal.
Major electric power companies are refusing to sign contracts with corporate customers who want a new alternative to the soaring prices that startups selling electricity are demanding.