Smart Web Grid analyzes user interaction, technology, cost effectiveness and data security of such a data exchange by means of three concrete examples in the Smart Grid Model Region Salzburg. The goal is the conceptual design of a comprehensive information model for web-service-based access to smart grids data sources, providing a more efficient integration of different applications as well as additional bene?ts through information aggregation. At the same time, it will be made sure on a conceptual level that privacy and security are guaranteed.