数据造假、设备停运，日本核电站问题频发

Group 1 - The Chubu Electric Power Company admitted to data falsification during the review process for restarting the Hamaoka Nuclear Power Plant, leading to the suspension of related review work by the Nuclear Regulation Authority [1] - The falsification involved underestimating the "design basis earthquake" assessment, which is a critical safety indicator for nuclear power plants [1] - The issue dates back to 2018, when the company was focused on advancing safety reviews and seismic assessments for the restart of Units 3 and 4 of the Hamaoka Nuclear Power Plant [1] Group 2 - On the same day, Tokyo Electric Power Company reported a temporary shutdown of the cooling equipment for the "frozen soil wall" at the Fukushima Daiichi Nuclear Power Plant, which is intended to control the increase of contaminated water [2] - The cooling equipment was non-operational for approximately two hours before being restarted, raising public concerns about potential undisclosed issues [2]