French RTE commissions new 400 kV line in eastern France September 27, 2016 | Europe News French power transmission company Réseau de Transport d'Électricité (RTE) has commissioned a new 80-km-long, 400 kV transmission line between Reims and Charleville-Mezieres in eastern France. This content is available to only paying subscribers. Username or E-mail Password Remember Me Forgot Password