Japan's renewable power generation stood at 1.65 Exajoules in 2023. Forecasted data from 2024 to 2028 indicate a consistent increase in renewable energy generation, reaching 2.39 Exajoules by 2028. Year-on-year variations show incremental growth with a 8.33% increase in 2025, a 7.69% increase in 2026, a 6.67% increase in 2027, and a 6.7% increase in 2028. The average annual growth rate (CAGR) over the next 5 years is projected at approximately 7.75%.
Looking ahead, key trends to monitor include advancements in technology reducing costs, government policies promoting renewables, and potential investments in offshore wind and solar projects. Additionally, emerging battery storage solutions could play a pivotal role in stabilizing renewable power output.