no worries, many options with growatt , you can always try the modbus app as a backup for your inverter [APP][Pro] SolarEdge + Growatt TCP modbus - #1548 by MarcoRuiter
those modbus add ons are not so expensive (under 40 euro) and a nice weekend project plus you can control your inverter for negative prices. or with meters installed you can even control it even more.
