Overview
- The high court reversed a 2022 ruling that had held four former TEPCO executives liable for damages totalling 13.3 trillion yen, the largest civil award in Japanese history.
- Judges concluded that the magnitude 9.0 earthquake and ensuing tsunami could not have been predicted based on information available before March 2011.
- The original award was intended to fund decommissioning of reactors, compensation for affected residents and cleanup of radioactive contamination.
- Shareholders had claimed executives ignored studies recommending measures such as relocating backup generators to higher ground to guard against flooding.
- By appealing to the Supreme Court, plaintiffs aim to keep alive questions over corporate accountability and the future of nuclear safety oversight in Japan.