| Prof. Dr.-Ing. Wolfram Wellßow | IEEE | PES Germany Section | member |
| Prof. Dr.-Ing. Wolfram Wellßow | VDE | Bezirksverein Kurpfalz e.V. | representative chairman |
| Prof. Dr.-Ing. Wolfram Wellßow | VDE | ETG Fachbereich V2 | member |
| Prof. Dr.-Ing. Wolfram Wellßow | CIGRE | Deutscher Arbeitskreis | member |
| Prof. Dr.-Ing. Wolfram Wellßow | CIGRE | DAK C1 - System Development and Economics | member |
| Prof. Dr.-Ing. Wolfram Wellßow | CIGRE | DAK C2 - System Operation and Control | member |
| Prof. Dr.-Ing. Wolfram Wellßow | PSCC | Council | secretary |
| Prof. Dr.-Ing. Wolfram Wellßow | PSCC | Executive Board | secretary |
| Prof. Dr.-Ing. Wolfram Wellßow | EurA Consult | Smart Grids Netzwerk | head AG 2 |