| Prof. Dr.-Ing. Wolfram Wellßow | IEEE | PES Germany Section | chairman |
| Prof. Dr.-Ing. Wolfram Wellßow | VDE | ETG Fachbereich V2 | member |
| Prof. Dr.-Ing. Wolfram Wellßow | VDE | etz-Beirat | member |
| Prof. Dr.-Ing. Wolfram Wellßow | VDE | ETG TF Positionspapier zum Energiekonzept der Bundesregierung | member |
| Prof. Dr.-Ing. Wolfram Wellßow | VDE | ETG TF Energiespeicherung | member |
| Prof. Dr.-Ing. Wolfram Wellßow | CIGRE | Deutscher Arbeitskreis | member |
| Prof. Dr.-Ing. Wolfram Wellßow | PSCC | Council | secretary |
| Prof. Dr.-Ing. Wolfram Wellßow | PSCC | Executive Board | secretary |
| Prof. Dr.-Ing. Wolfram Wellßow | EU | Stakeholderboear Project "Realisegrid" | member |