The presentation shows how innovative energy-producing building envelopes can contribute to the decarbonisation of the building sector by combining functionality, design and performance. By producing in Europe, 3S Swiss Solar Solutions AG enables customised solutions that are tailored to both local architecture and specific climatic requirements. Practical examples from 20 years of experience illustrate how sustainable technologies can be integrated aesthetically and efficiently into different types of buildings - a decisive step towards a climate-friendly future.