From https://gist.github.com/fbradyirl/08fef90bd11d7bdddf588a56e668d879
place images content in the directory /config/www/Sigenergy/ on your HA instance. The data being read is all local via Modbus. Install the Sigenergy-Home-Assistant-Integration integration.
Now install the following via HACS:
Edit content for your needs.