Operator To Carry Out Additional Surveys On Underground Fault At Japan’s Tsuruga-2

JAPC wants to restart reactor, but regulator has refused permission

Operator To Carry Out Additional Surveys On Underground Fault At Japan’s Tsuruga-2
Tsuruga-2, which initially began commercial operation in 1987, remains offline pending regulatory approval. Courtesy Wikimedia Creative Commons Licence.

Japan Atomic Power Company (JAPC) is to carry out additional surveys related to an underground fault at Unit 2 of the Tsuruga nuclear power station in Fukui Prefecture, western Japan, as it seeks to comply with post-Fukushima regulatory standards and revive plans to restart the unit

The company said it will carry out new geological investigations aimed at addressing concerns raised by the Japanese nuclear regulator, which in November 2024 declined to approve Tsuruga-2 in its safety review.

Japan’s Nuclear Regulation Authority (NRA) said at the time that Tsuruga-2 does not meet safety standards due to the possibility of a fault known as the K-fault moving in the future.

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