Under CopyrightCoenraads, R.R.CoenraadsReece, G.G.ReeceVoogt, M.M.VoogtRagwitz, MarioMarioRagwitzHeld, A.A.HeldResch, G.G.ReschFaber, T.T.FaberHaas, R.R.Haas2022-03-0711.9.20082008https://publica.fraunhofer.de/handle/publica/29394410.24406/publica-fhg-293944en303PROGRESS promotion and growth of renewable energy sources and systems. Final Reportreport