Kishida told reporters that he had instructed officials to take concrete action by the end of the year.
But Kishida renewed calls to reduce its reliance on these fuels and laid out Japan’s plans to achieve carbon neutrality in 2050 at last year’s Cop 26 summit.
Recently, rising fuel prices, due in part to Russia’s unprovoked invasion of Ukraine, have prompted the government to announce more energy-saving measures.
At the end of June, the Ministry of Economy, Trade and Industry urged residents to save electricity.
As of July 26, Japan had seven active nuclear reactors, with three more shut down due to maintenance, according to the Natural Resources and Energy Agency.