Dynamic tariff provider

Currently following data providers are available:

• tibber
• awattar
• evcc
• energyforecast.de

You can chose one and need to adjust the configuration.

tibber

You need to get an API Key from https://developer.tibber.com/ , which looks like Zz-XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXx. After obtaining this key, use the following configuration:

utility:
  type: tibber 
  apikey: YOUR-PASSWORD

awattar

batcontrol provides to different awattar types:

• awattar_defor German aWATTar
• awattar_at for Austrian aWATTar

Please chose the corresponding version. For aWATTar you can you this configuration:

utility:
  type: awattar_de
  vat: 0.19     # 19% VAT
  fees: 0.015   # Depends on you Netzendgeld
  markup: 0.03  # Depends on you aWATTar contract

The calculation is ( marketprice/1000*(1+markup) + fees ) * (1+vat)

evcc

If you are running evcc, it can be used to fetch the price information from this endpoint. The configuration for this is

utility:
  type: evcc
  url: http://evcc.local:7070/api/tariff/grid

You may need to adjust hostname + port for your setup. If evcc is running under HomeAssistant, you should you either http://homeassistant:7070/api/tariff/grid or http://<homeassistant-ip>:7070/api/tariff/grid

energyforecast.de (0.5.6)

energyforecast.de provides a calculated forecast for upcoming prices. Dayahead prices are populated at 14:00 GMT+2, which is after the lunch-drop in prices and prevents a good energy calculation. Based on different values, energyforecast.de calculates a price expectation with a median of 3 cent of. batcontrol uses the 48h forecast only and it is not possible to activate the 96 hour forecast. You need to setup VAT, markup (+ % on energy price) and fees (Netzentgeld) in the configuration. We are not using the calculation provided by energyforecast.de. If you like to use this forecast type, please create a login at energyforecast.de to aquire an API key.

utility:
  type: energyforecast
  apikey:  xxxxxxxxx
  vat: 0.19     # 19% VAT
  fees: 0.15    # Depends on you Netzendgeld
  markup: 0.00  # Depends on you aWATTar contract

To enable the paid 96h forecast, use type: energyforecast_96