Energy in Japan

Japan's primary energy consumption was 477.6 Mtoe in 2011, a decrease of 5% over the previous year. The country lacks significant domestic reserves of fossil fuel, except coal, and must import substantial amounts of crude oil, natural gas, and other energy resources, including uranium. Japan relied on oil imports to meet about 84% of its energy needs in 2010. Japan was also the first coal importer in 2010, with 187 Mt (about 20% of total world coal import), and the first natural gas importer with 99 bcm (12.1% of world total gas import). As of 2019, 88% of Japan's total primary energy supply came from fossil fuels.

Japan has a goal of reducing carbon emissions by 2030 to 50% compared to 2013, and achieve carbon neutrality by 2050.

Japan produced 1004.8 TWh of electricity in 2021, close to 4% of the electricity generated in the world and 8% of that in Asia-Pacific (3rd largest behind China and India). Japan consumed 17.03 EJ, 3% of the world's consumption and 7% of Asia-Pacific's consumption (3rd largest behind China and India).

While Japan had previously relied on nuclear power to meet about 30% of its electricity needs, after the 2011 Fukushima Daiichi nuclear disaster, all nuclear reactors were progressively shut down for safety concerns. As of January 2022 there are 33 operable nuclear reactors in Japan, of which 10 reactors are currently operating.