Hi Martin, i saw the project with E3DC and Power Optimizers, I'm trying to configure a comparable system. PVSol always displays an error which says the SolarEdge Optimizers don't work with different inverters besides SolarEdge. Is there any chance to select for example P350I Optimizers, which work with inverters from other manufacturers? Does the error have any effect on the simulation? Thanks for your answer. Dirk.