*The GT&D company aggregates the projected value of integrating the generation facility according to the application of preliminary consultation and the available connecting capacity of its transmission lines or the actual growth trend of integration. **The Organization automatically aggregates the value of the generating facility that the generation company owns; however, not all development plans will necessarily be realized, and inefficient facilities will proceed to be retired resulting from actions due to political measures in the future. For newly installing facility, generating facility such as in the course of proceeding its environmental assessment or publishing its commercial operation, is included in the aggregation.
Figures exclude hydropower.
Figures before 2023 come from previous reporting.
Citation formats
Forecast of the generation capacity of renewables Japan 2022-2033, by energy source
The installed power generation capacity of renewable energy sources in Japan was forecast to reach over *** million kilowatts in 2033. Solar energy was estimated to represent the energy source with the largest generation capacity, amounting to approximately million kilowatts in 2033.
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Organization for Cross-regional Coordination of Transmission Operators, Japan. (October 30, 2024). Forecast of the installed power generation capacity of renewables in Japan from 2022 to 2033, by energy source (in million kilowatts) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 19, 2026, from /statistics/1220350/japan-renewables-generation-capacity-forecast-by-energy-source/
Organization for Cross-regional Coordination of Transmission Operators, Japan. "Forecast of the installed power generation capacity of renewables in Japan from 2022 to 2033, by energy source (in million kilowatts)." Chart. October 30, 2024. ÌÇÐÄÆƽâ°æ. Accessed July 19, 2026. /statistics/1220350/japan-renewables-generation-capacity-forecast-by-energy-source/
Organization for Cross-regional Coordination of Transmission Operators, Japan. (2024). Forecast of the installed power generation capacity of renewables in Japan from 2022 to 2033, by energy source (in million kilowatts). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 19, 2026. /statistics/1220350/japan-renewables-generation-capacity-forecast-by-energy-source/
Organization for Cross-regional Coordination of Transmission Operators, Japan. "Forecast of The Installed Power Generation Capacity of Renewables in Japan from 2022 to 2033, by Energy Source (in Million Kilowatts)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 30 Oct 2024, /statistics/1220350/japan-renewables-generation-capacity-forecast-by-energy-source/
Organization for Cross-regional Coordination of Transmission Operators, Japan, Forecast of the installed power generation capacity of renewables in Japan from 2022 to 2033, by energy source (in million kilowatts) ÌÇÐÄÆƽâ°æ, /statistics/1220350/japan-renewables-generation-capacity-forecast-by-energy-source/ (last visited July 19, 2026)
Forecast of the installed power generation capacity of renewables in Japan from 2022 to 2033, by energy source (in million kilowatts) [Graph], Organization for Cross-regional Coordination of Transmission Operators, Japan, October 30, 2024. [Online]. Available: /statistics/1220350/japan-renewables-generation-capacity-forecast-by-energy-source/
