Hm, got some problems after adding the energy handling logic (WIP) to all the blocks:   @diesieben07 NullPointerException when having null as a side like you suggested. Energy seems not to get transfered to other the transfer pipe at the end of the cable   Transfer Pipe:     Solar Panel update:   There is also no log output from transfer pipe with syso and when having it outside of the forEach loop, the log tells me the transfer pipe at