More energy together for almost 30 years. With almost 30 years of experience and expertise in the energy market, WINGAS GmbH is one of the largest natural gas suppliers in Europe. The company, based in Kassel, is active in the German, Belgian, Austrian, Dutch and Czech markets. WINGAS also operates its own 1,864-mile long fiberglass cable network in Germany, and sells capacity to telecommunications companies in particular. More energy together — that’s what we believe in and work toward with all of our different areas of expertise. Each of our employees uses their knowledge, experience and skills to make WINGAS what we are: a strong partner for you. Our customers Our customers include city utilities, regional gas suppliers, industrial firms and power plants.