Germany’s Amprion starts planning process for 380 kV ALEGrO link April 12, 2017 | Europe News Germany’s transmission system operator (TSO) Amprion has started the planning process for the German section of the Aachen-Liège Electric Grid Overlay (ALEGrO) link between Germany and Belgium. This content is available to only paying subscribers. Username or E-mail Password Remember Me Forgot Password