Japan has set an ambitious target for renewable energy in the nation's electricity mix by 2030 as it aims to tackle climate change and achieve its 2050 carbon neutral goal.
With the plan, put forward in July and approved by Japan's cabinet on Friday (Oct 22), renewables should account for 36-38 per cent of power supplies in 2030, double 2019's level and well above its previous 2030 target for 22-24 per cent.
In April, Japan raised its 2030 target for cutting greenhouse gas emissions to 46 per cent from 26 per cent on 2013 levels, responding to pressure from the United States as world leaders met for a climate summit hosted by US President Joe Biden.
G20 leaders meet in Glasgow this month to discuss emissions cuts scientists say are needed to limit global warming to 1.5 degrees above pre-industrial levels.
The latest policy comes with no significant changes from the draft released in July, despite 6,400 public comments including criticism for its coal and nuclear policy.
In green energy, Japan will aim for 14-16 per cent to come from solar, 5 per cent from wind, 1 per cent from geothermal, 11 per cent from hydropower and 5 per cent from biomass.
But Japan's nuclear target was left unchanged at 20-22 per cent, despite the country struggling to return the industry to its former central role after the Fukushima disaster in 2011.
To meet the target about 30 reactors will need to restart, from only eight reactors operating now. The country had 54 operable reactors previously.
Experts say the nuclear target will be difficult to achieve in the wake of the Fukushima disaster, which led to a big shift in public opinion away from the energy source.
Takeo Kikkawa, vice president of the International University of Japan says, "The 2050 target and the 2030 goal to cut emissions by 46per cent are the right decisions as they finally brought Japan up to global standards."
"But Japan will likely miss the 2030 target as renewables could only reach 30 per cent due to a lack of suitable solar sites and nuclear power could rise only up to 15 per cent with about 20 reactors running," said Kikukawa, also an adviser to the government on energy policy.
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