Over the past 12 months, from December 2024 to November 2025, Japan's electricity consumption reveals a robust reliance on fossil energy, which accounts for more than half of the total generation at 63%. Nearly a third of this comes from gas, while coal contributes a significant portion as well. In contrast, about a third of Japan's electricity is derived from low-carbon sources, which include nuclear energy at approximately 10%, solar power contributing around 11%, hydropower almost 8%, and a small share from wind and biofuels. This indicates that low-carbon energy is a substantial and crucial segment, though fossil fuels still dominate the electricity landscape.
Data sources used on this page include IEA and World Bank. More about data sources →
Is Electricity Growing in Japan?
Evaluating electricity consumption growth in Japan, recent figures indicate a decline with the latest consumption at 7,887 kWh per person, down from a previous peak of 9,134 kWh per person in 2010; this represents a decrease of 1,247 kWh per person. Similarly, the latest low-carbon electricity generation has not reached its past peak, with 2,754 kWh per person against the previous high in 1998 of 3,543 kWh per person, decreased by 790 kWh per person. Such a decrease in total and low-carbon electricity consumption is concerning, especially when considering the need for increased electricity usage in the future to support sectors like electrification and artificial intelligence.
Suggestions
To boost low-carbon electricity generation, Japan should consider expanding its solar energy capabilities, given its current significant contribution. Additionally, Japan can learn from regions with successful low-carbon strategies. For instance, France and Slovakia are leaders in nuclear power, generating more than half of their electricity from this clean energy source. Similarly, California has made significant strides in solar energy, deriving nearly one-third of its electricity from solar. By studying and adapting strategies from these regions, Japan can increase its reliance on solar and nuclear energy, thereby enhancing its clean electricity production and reducing its dependency on fossil fuels, helping combat climate change and improve air quality.
History
Historically, Japan has seen significant changes in its low-carbon electricity generation, especially from nuclear energy. During the late 1970s and 1980s, there were substantial increases, with notable surges in 1978, 1985, and 1990. However, the period from 2002 witnessed major declines, notably in 2003 and after the 2011 events, resulting in substantial drops in nuclear output. In recent years, efforts to boost nuclear power are evident with a positive trend in 2018 and 2023. Such fluctuations highlight the importance of consistent investment in nuclear energy to ensure sustainable and reliable low-carbon electricity for Japan's future.
