With Japan committed to becoming carbon neutral by 2050, Prime Minister Yoshihide Suga’s administration is grappling with key questions over which near-term measures to take in order to reach the long-term goal.

That in turn, has touched off a debate over whether more renewable energy or more nuclear power is the best way to provide a safe, stable, secure and green energy supply by the middle of the century.

The current energy plan, adopted by the Cabinet in July 2018, calls for renewable sources to provide between 22% and 24% of Japan's electricity by 2030, and for nuclear energy to provide between 20% and 22%.