Wien Energie is the largest, regional energy provider in Austria and a subsidiary of Wiener Stadtwerke, the municipal utility company. It reliably supplies two million people with environmentally friendly power, cooling, heating, electromobility, and telecommunications. In order to promote climate protection, it is investing heavily to expand the use of renewables such as solar, wind, and hydropower, as well as electromobility. Wien Energie is actively shaping the future of energy through innovation and research.