Under CopyrightWalz, RainerRainerWalz2025-07-252025-07-252025-07-10https://publica.fraunhofer.de/handle/publica/489960https://doi.org/10.24406/publica-494810.24406/publica-4948enSystemic drivers of renewable energy research and innovation system development: Learning from the past for future developmentpresentation