In an interview with the Financial Times published on February 1, 2021, Japan’s Minister for economy, trade, and industry Hiroshi Kajiyama said nuclear power will be crucial for meeting Japan’s energy goals and that the energy shortages this winter have helped to shift public debate over the nuclear sector.[1] In October 2020, Prime Minister Yoshihide Suga announced that Japan will aim to be net-zero emissions by 2050. Analysis by the Ministry of Economy, Trade and Industry (METI) has found that it will be hard to supply more than 60% of Japan’s electricity needs from renewables. The country’s lack of flat empty land for solar panels and its deep oceans that raise the cost of offshore wind “mean it is not as easy to introduce renewables as in Europe or North America,” said Kajiyama.
Prior to the 2011 Fukushima disaster, Japan's nuclear generating capacity provided around 30% of the country's electricity. However, most of Japan’s nuclear generation has laid dormant pending regulatory change and just 9 of the country’s 33 operable reactors have been restarted. Another 16 reactors have applied to restart and two reactors under construction are under review, but opinion polls show continuing opposition to the industry. Kajiyama, who has previously worked in the nuclear industry, said, "Personally, I think nuclear power will be indispensable." Kajiyama described Japan’s electricity supply as “touch-and-go” during heavy snowfall in January 2021, saying, “Solar wasn’t generating. Wind wasn’t generating.” The issue in a portion of customers experiencing high electricity bills due to tight energy supplies in the country and the subsequent soaring wholesale power market prices. “I’m trying to persuade everybody that in the end we need nuclear power,” he said.
[1] https://www.ft.com/content/47b189de-bb5e-409b-87b9-86405661fc03
