*Excluding wholly-owned subsidiaries of incumbent utilities.
Based on total electricity sales.
"Inside area" and "outside area" refer to total electricity sales inside and outside the supply areas of incumbent utilities (the parent company in the case of a subsidiary).
Citation formats
Electricity retail market share Japan 2023, by utility
As of March 2023, incumbent utilities (inside area) accounted for an electricity retail market share of almost ** percent in Japan, making up the largest share. New retailers, which excluded wholly-owned subsidiaries of incumbent utilities, followed with a share of around **** percent.
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Renewable Energy Institute. (October 26, 2023). Electricity retail market share in Japan as of March 2023, by utility [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 30, 2026, from /statistics/1202036/japan-electricity-retail-market-share-by-utility/
Renewable Energy Institute. "Electricity retail market share in Japan as of March 2023, by utility." Chart. October 26, 2023. ÌÇÐÄÆƽâ°æ. Accessed July 30, 2026. /statistics/1202036/japan-electricity-retail-market-share-by-utility/
Renewable Energy Institute. (2023). Electricity retail market share in Japan as of March 2023, by utility. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 30, 2026. /statistics/1202036/japan-electricity-retail-market-share-by-utility/
Renewable Energy Institute. "Electricity Retail Market Share in Japan as of March 2023, by Utility." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 26 Oct 2023, /statistics/1202036/japan-electricity-retail-market-share-by-utility/
Renewable Energy Institute, Electricity retail market share in Japan as of March 2023, by utility ÌÇÐÄÆƽâ°æ, /statistics/1202036/japan-electricity-retail-market-share-by-utility/ (last visited July 30, 2026)
Electricity retail market share in Japan as of March 2023, by utility [Graph], Renewable Energy Institute, October 26, 2023. [Online]. Available: /statistics/1202036/japan-electricity-retail-market-share-by-utility/
