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stefanroeck/sungrow

Tiny application to access real-time data from Sungrow inverters with WiNet-S dongle over WebSocket and publish data to a mqtt server.

Written in GoLang, based on https://github.com/nItroTools/sungrow-go.

Usage

Docker

docker-compose.yml:

version: "3.9"
services:
  sungrow-go:
    image: stefanroeck/sungrow
    restart: unless-stopped
    environment:
      - SUNGROW_HOST=${SUNGROW_HOST}
      - MQTT_URL=${MQTT_URL}
      - MQTT_USER=${MQTT_USER}
      - MQTT_PASSWORD=${MQTT_PASSWORD}
      - SLEEP=30

Install & Build locally

  • Checkout Repo
$ go install .
$ go build ./bin

Build for Rasperry PI

env GOOS=linux GOARCH=arm GOARM=7 go build -o ./bin/sungrow-go-raspi

Build for Docker

env CGO_ENABLED=0 GOOS=linux go build -o ./bin/sungrow-go-docker

Run locally

List available and required parameters

$ sungrow-go -help

Basic usage with ip address of your inverter (e.g. 192.168.2.100)

$ sungrow-go -host 192.168.2.100 -mqtt.server mqtt://test.mosquitto.org:1883 -mqtt.topic honk/demo

MQTT

Sample Message:

{
  "activePower": 0.99,
  "arrayInsulationResistance": 3000,
  "busVoltage": 693.6,
  "currentPhaseA": 1.5,
  "currentPhaseB": 1.4,
  "currentPhaseC": 1.4,
  "gridFrequency": 49.97,
  "inverterTemp": 34.7,
  "status": "running",
  "sunPower": 0.99,
  "todayEnergy": 2.2,
  "totalEnergy": 6584.9,
  "totalRunningTime": 1948,
  "voltagePhaseA": 232,
  "voltagePhaseB": 235.2,
  "voltagePhaseC": 236
}

Supported inverters

Tested Sungrow inverters with WiNet-S dongle: