This inverter has a WiFi connection and opens ports 80 (password protected) and 502 (modbus). It’s possible to read the modbus registers. There’s a handy script that’s done all the hard work. This can import into Influx, as shown below (via grafana.
I’ve modified it slightly modified it here. As of late 2020 it works well and handled the encrypted ModBus.
Make sure to use “total_pv_power”. The others are self explanatory except for the status codes which are bit masks / secret codes. See the slightly modified grafana dashboard which is shown below.