Engie Electrabel explained that a compound got damaged during works in the non-nuclear part of the plant. The building hosts auxiliary pumps.
The reactor Tihange 1 was brought to a standstill, as a precaution, and following the site's safety procedures, Engie added. The situation is said to have no consequences for the employees, local residents or the environment. Power supplies will be guaranteed, Engie explained. The site will remain offline at least until 11 September.