Japan: time of home solar power generation system installation 2021

According to a survey conducted on solar power in Japan in April 2021, with almost 38 percent, the majority of respondents mentioned that they installed a solar power generation system in their home within the last ten years. Only around 3.8 percent of respondents stated that they installed such a system in their home within the last year.

Time of installation of photovoltaic power generation system in homes in Japan as of April 2021

Characteristic	Share of respondents
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Release date

May 2021

More information

Region

Japan

Survey time period

April 1 to 5, 2021

Number of respondents

915 respondents

Age group

20-79 years

Special properties

among respondents who stated to own a solar power generation system

Method of interview

Online survey

Supplementary notes

Original question: "Please tell us the time when you installed the solar power generation system in your home. (If you moved into a property that already had a system installed, please indicate when you moved in.)"

Figures may not add up to 100 percent due to rounding by the source.

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