Household solar holds key to climate-neutral Japan

Rooftops will have to supply a third of the 524 GW of solar generation capacity needed by 2045 to reach a zero-carbon economy by mid century, according to an academic paper. The researchers also suggested green hydrogen should not play a central role in the nation's energy transition.The scarcity of development sites in Japan means rooftop solar will play a key role if the nation is to achieve its aim of carbon-neutrality by mid century. With solar at the heart of Japan's energy transition, according to a paper commissioned by domestic thinktank the Renewable Energy Institute, more than a third ...

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