Now all houses built in Japan will have solar panels

 Japan aims to drastically reduce its emissions by 2030. To achieve this, the archipelago has made the decision to install solar panels on the roofs of all new buildings, parking lots and farms, the Japan Times reported on July 7.

The Japanese archipelago is already the world leader in solar capacity per square kilometer. However, 70% of the electricity in the third largest economy on the planet is still produced using coal and natural gas. As its space is limited for larger-scale projects, Japan must think differently about its energy transition. Thus, according to a report from the Ministry of the Environment, it plans to achieve the new solar target of 2030 by using in particular the decentralized production of solar energy.

Therefore, all houses and new buildings will be compulsorily equipped with solar panels on the roof. But that's not all: every municipality in Japan will have to find enough space to install new large-scale solar projects. In addition, there is a minimum solar capacity in kilowatts which must be calculated and achieved by the municipalities.

For existing buildings, however, the task could be more difficult. Takeo Kikkawa, professor at the International University of Japan, explains that it will be complicated to install solar panels, if not impossible for 35% of existing residential buildings. In addition, Japan has the highest cost of solar energy in the world. But its generalization could lower it.

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