I advise attempting to trim the trees if at all possible, but otherwise Microinverters or S/E with Optimisers get the job done good with some overshadowing. There’s a table exhibiting optimiser compatibility, they’ll have to take a look at that to work out what’s set up and the things they https://citypointsolar.com.au/3-advantages-of-installing-10kw-solar-system-western-australia/