![]() ![]() The cabinet approves the fourth energy basic plan, positioning nuclear power plants as an important base-load power source, while also pledging to reduce dependency on nuclear power as much as possible by introducing renewable energy. 4 reactors at Ōi Nuclear Power Plant undergo regular inspection and nuclear power generation drops back to zero. New regulatory standards relating to natural disasters and terrorist attacks introduced for nuclear power plants. Nuclear Regulation Authority established. 4 reactors at Ōi Nuclear Power Plant (Kansai Electric Power Company) resume operation (ending a 2-month period of no nuclear power generation in Japan). The operating period of nuclear power plants is limited to 40 years in principle. 3 reactor and for the first time in 42 years there are no nuclear power plants operating within Japan. Tomari Nuclear Power Plant (Hokkaidō Electric Power Company) suspends operation of its No. Great East Japan Earthquake and TEPCO Fukushima Daiichi Nuclear Power Plant accident. Nuclear Power Plants: Major Developments Since the Great East Japan Earthquake In total, 21 nuclear reactors have been decommissioned since the 2011 Great East Japan Earthquake. These plants based in western Japan all use pressurized water reactors, which are different from the boiling water reactors at the Fukushima Daiichi Nuclear Power Plant.īoiling water reactors at the Onagawa (Tōhoku Electric Power Company), Kashiwazaki-Kariwa (Tokyo Electric Power Company), Tōkai Daini (Japan Atomic Power Company), and Shimane (Chūgoku Electric Power Company) nuclear power stations have all been approved under the new regulatory standards, but none have received the green light to restart. However, the disaster at the Fukushima Daiichi Nuclear Power Plant was a drastic blow to nuclear power’s reputation, leading to increased distrust and unease toward the energy source.Īs of June 2022, only 10 reactors have been restarted with local approval at the following six power stations: Ōi, Takahama, and Mihama (Kansai Electric Power Company), Genkai and Sendai (Kyūshū Electric Power Company), and Ikata (Shikoku Electric Power Company). Prior to the Great East Japan Earthquake of 2011, 54 nuclear reactors were in operation in Japan, supplying approximately 30% of the country’s electric power.
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