This article was published by the US Energy Information Administration on Feb. 8. 2024.
Principal contributors: Slade Johnson, Jonathan Russo, Victoria Zaretskaya
Data visualization: Jonathan Russo
After the 2011 Fukushima Daiichi accident, Japan suspended operations at all of its remaining 48 nuclear power reactors by 2013 and relied almost exclusively on imported natural gas to replace the lost electricity generation. In 2015, Japan allowed its first nuclear power reactor to resume operations. As of December 2022, 11 gigawatts (GW) of Japan’s nuclear capacity have returned to service, which reduced liquefied natural gas (LNG) imports for electricity generation.
Note: Others represents Algeria, Angola, Belgium, Brazil, Brunei, China, Egypt, Equatorial Guinea, France, Indonesia, Mozambique, the Netherlands, Nigeria, Norway, Oman, Peru, Qatar, Singapore, South Korea, Spain, Thailand, Trinidad and Tobago, Türkiye, the United Arab Emirates, the United Kingdom, and Yemen.
Since 2015, increasing nuclear generation has been replacing generation from fossil fuel sources in Japan, mainly natural gas. In 2022, Japan’s LNG imports declined by 15 per cent, or 1.7 billion cubic feet per day (Bcf/d), compared with 2015, and we expect LNG imports into Japan to continue declining. In 2023, Japan restarted Takahama Units 1 and 2, adding about 1.6 GW. Japan also passed the GX Decarbonization Power Supply Bill last year to establish a decarbonized electricity system, designating nuclear power as the main component of the country’s baseload electricity.
Nuclear restarts have been slow since 2015. Japan has restarted 12 units, bringing currently operating nuclear capacity to 11 GW. Japan has 10 more units under review and 5 more that have passed review but have yet to restart.
Japan focused on restarting pressurized boiling water reactors as opposed to boiling water reactors out of public safety concerns. The six-unit Fukushima Daiichi plant, a boiling water reactor facility, is being decommissioned along with its sister plant, Fukushima Daini.
Note: PWR=pressurized boiling water reactor, BWR=boiling water reactor, NRA=Nuclear Regulatory Authority Japan
Energy resources are scarce in Japan, and it imports most of the fossil fuel it uses for electricity generation. In 2022, fossil fuels accounted for 71 per cent of generation, with natural gas accounting for 35 per cent of that share. Japan’s LNG imports have declined as more nuclear reactors have restarted. After Japan restarted five nuclear reactors in 2018, Japan’s LNG imports declined by 7 per cent (0.7 Bcf/d) in 2019 and by another 7 per cent (0.7 Bcf/d) between 2019 and 2022.
Japan has a large portfolio of long-term LNG contracts, which supply up to 90 per cent of Japan’s LNG imports each year. The remaining share of imports is supplied under short-term and spot contracts from as many as 20 countries (including re-exporters).
Australia has been Japan’s largest LNG supplier for 11 years; its share of Japan’s total LNG imports more than doubled from 18 per cent in 2012 to 42 per cent in 2023. Qatar—which was ranked second in 2012—is now the seventh-largest LNG supplier to Japan. Qatar provided 4 per cent of Japan’s LNG imports last year, down from 18 per cent in 2012, in part because some of Japan’s long-term contracts with Qatar expired. In 2023, Malaysia was Japan’s second-largest LNG supplier, accounting for 16 per cent (1.4 Bcf/d) of LNG imports. However, in 2012, before Australia took its long-standing top spot, Malaysia supplied 19 per cent of Japan’s LNG imports and was the largest supplier. Other significant LNG suppliers in 2023 included Russia at 9 per cent (0.8 Bcf/d), the United States at 8 per cent (0.7 Bcf/d), and Papua New Guinea at 6 per cent (0.5 Bcf/d).
You can find more information about Japan on EIA’s International web page.
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