hi guys!! i have similar problem that jakaba but with lower energy :-)
i have 5Kw solar power without power bank on-grid, i use normally 1kw-2kw with peaks to 5kw but only 1-10 minutes.
energy cost 22:00pm - 12:00am 0,06 <- night
12:00am - 22:00pm 0,14 <- day
what kind of hardware interest me to use this 3kw only in solar mode.
i dont have any problem with noise hardware, i have a garden shed.
many thanks!