In the fiscal year 2021, approximately *** thousand solar water heating systems were newly installed in Japan. The amount of electricity generated from solar energy in Japan has risen significantly throughout the past decade.
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Renewable Energy Institute. (December 8, 2022). Number of solar heating systems installed in Japan in fiscal year 2021, by type (in 1,000s) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 25, 2026, from /statistics/1167150/japan-number-of-installed-solar-heating-systems-by-type/
Renewable Energy Institute. "Number of solar heating systems installed in Japan in fiscal year 2021, by type (in 1,000s)." Chart. December 8, 2022. ÌÇÐÄÆƽâ°æ. Accessed July 25, 2026. /statistics/1167150/japan-number-of-installed-solar-heating-systems-by-type/
Renewable Energy Institute. (2022). Number of solar heating systems installed in Japan in fiscal year 2021, by type (in 1,000s). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 25, 2026. /statistics/1167150/japan-number-of-installed-solar-heating-systems-by-type/
Renewable Energy Institute. "Number of Solar Heating Systems Installed in Japan in Fiscal Year 2021, by Type (in 1,000s)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 8 Dec 2022, /statistics/1167150/japan-number-of-installed-solar-heating-systems-by-type/
Renewable Energy Institute, Number of solar heating systems installed in Japan in fiscal year 2021, by type (in 1,000s) ÌÇÐÄÆƽâ°æ, /statistics/1167150/japan-number-of-installed-solar-heating-systems-by-type/ (last visited July 25, 2026)
Number of solar heating systems installed in Japan in fiscal year 2021, by type (in 1,000s) [Graph], Renewable Energy Institute, December 8, 2022. [Online]. Available: /statistics/1167150/japan-number-of-installed-solar-heating-systems-by-type/
