IoTaWatt Energy Monitor

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This page shows the nightly version. Switch to the release version.

Requires an IoTaWatt device accessible on the local network. Find available series names on the IoTaWatt status page (http://<device-host>). For single-phase setups, configure only the main series (e.g. GridNet, Solar). For three-phase, configure one series per phase (e.g. Grid_A, Grid_B, Grid_C).

Usage areas

• Grid meter
• Solar production
• Charger meter

Parameters

Name	Description	Value	Level
host	IP address or hostname Example: 192.0.2.2		optional
series	L1 / single-phase series IoTaWatt series name (Watts). Check the IoTaWatt status page for available series. Example: GridNet		optional
seriesL2	L2 series (three-phase) Series name for phase L2. Leave empty for single-phase.		advanced
seriesL3	L3 series (three-phase) Series name for phase L3. Leave empty for single-phase.		advanced
cache	Cache Time interval for data refresh Default: 2s Example: 5m		advanced

Configuration example for evcc.yaml

If you don't want to configure via the UI, you can alternatively use this YAML block.

Grid meter Solar production Charger meter

meters:
    - name: my_grid
      type: template
      template: iotawatt
      usage: grid
      host: 192.0.2.2 # IP address or hostname
      series: GridNet # L1 / single-phase series, IoTaWatt series name (Watts). Check the IoTaWatt status page for available series.
      seriesL2: # L2 series (three-phase), Series name for phase L2. Leave empty for single-phase. (optional)
      seriesL3: # L3 series (three-phase), Series name for phase L3. Leave empty for single-phase. (optional)
      cache: 2s # Cache, Time interval for data refresh (optional)

meters:
    - name: my_pv
      type: template
      template: iotawatt
      usage: pv
      host: 192.0.2.2 # IP address or hostname
      series: GridNet # L1 / single-phase series, IoTaWatt series name (Watts). Check the IoTaWatt status page for available series.
      seriesL2: # L2 series (three-phase), Series name for phase L2. Leave empty for single-phase. (optional)
      seriesL3: # L3 series (three-phase), Series name for phase L3. Leave empty for single-phase. (optional)
      cache: 2s # Cache, Time interval for data refresh (optional)

meters:
    - name: my_charger
      type: template
      template: iotawatt
      usage: charge
      host: 192.0.2.2 # IP address or hostname
      series: GridNet # L1 / single-phase series, IoTaWatt series name (Watts). Check the IoTaWatt status page for available series.
      seriesL2: # L2 series (three-phase), Series name for phase L2. Leave empty for single-phase. (optional)
      seriesL3: # L3 series (three-phase), Series name for phase L3. Leave empty for single-phase. (optional)
      cache: 2s # Cache, Time interval for data refresh (optional)