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Japan's nuclear regulator has cleared Hokkaido Elec Tomari reactor's safety review

The Nuclear Regulation Authority of Japan approved on Wednesday the safety review for Hokkaido Electric Power’s No.3 nuclear reactor at the Tomari Nuclear Power Station after more than 12 years. This was a requirement to restart its operations.

The reactor was closed in 2012, as part of an overall push to improve safety following a massive earthquake that occurred the year before. This earthquake disabled cooling systems in Tokyo Electric Power Co’s Fukushima Daiichi Plant and caused the worst leakage of radioactive materials in 25 years.

A spokesperson for the NRA said that at its regular meeting it concluded that the safety measures in the Tomari reactor met new regulatory standards, and that the plant passed the test.

Now, the focus will be on obtaining local community approval for restart. Hokkaido Electric aims to finish construction of the seawall by March 20, 2027, and restart the 912 megawatt reactor as quickly as possible after that.

Japan is heavily dependent on imports of fossil fuels. The government wants to see nuclear power play a larger role in the energy mix for the country and its energy security.

Currently, the country operates over a dozen nuclear reactors with a combined power of 12 gigawatts. Many other reactors are being relicensed to meet the stricter safety standards that were implemented following the Fukushima catastrophe. Japan had 54 reactors in operation before 2011.

Japan wants nuclear power to account for 20-22% (of its total electricity) by 2030, despite the difficulties the industry has faced since then. Nuclear power will account for 8.5% in 2023. (Reporting and editing by Jan Harvey; Yuka Obayashi)

(source: Reuters)