sungrow

python script to read the data from a sungrow inverter and change the tesla charging power to consume power from the PV only.

install

I recommend to run it as a cron job.

pip install sungrow-websocket

if you use python 3.7 you have to replace the "init.py" with the file "__init__py" file in this repo. The folder is propably "/usr/local/lib/python3.7/dist-packages/sungrow_websocket"

pip install requests
pip install json
pip install time
pip install aiohttp

set the config files

the file sungrow.setting in json format

{
  "authentication_token": "",
  "device_token": "",
  "inverter_host": "",
  "latitude": 43.51205,
  "longitude": 12.72584
}

the file tesla.token with the token for the Tesla API in json format

{
  "access_token":"",
  "region_url":"https:\/\/fleet-api.prd.eu.vn.cloud.tesla.com",
  "id_token":"",
  "expires_in":28800,
  "token_type":"Bearer",
  "refresh_token":"",
  "client_id":""
}

public and private key for the APN service. Apple developer account required to create a private key.

CERTIFICATE_FILE_NAME="./public.cer" 
CERTIFICATE_KEY_FILE_NAME="./private.pem"