Voltcast

← Tariffs & forecasts

Requires a Voltcast API key — free DE-LU tier, paid any-zone tiers at voltcast.com. Forecast accuracy is published daily at voltcast.com/accuracy.

EU

Parameters

Name	Description	Value	Level
apikey	API Key API key from https://voltcast.com/dashboard		optional
zone	Bidding zone Default: DE-LU Example: DE-LU	ALATBEBGCHCZDE-LUDK1DK2EEESFIFRGRHRHUIE-SEMIT-CALAIT-CNORIT-CSUDIT-NORDIT-SARDIT-SICIIT-SUDLTLVMEMKNLNO1NO2NO3NO4NO5PLPTRORSSE1SE2SE3SE4SISKUAXK	optional
charges	Charge Additional fixed charge per kWh		advanced
chargesZones	Charges zones Time-based grid fees that override the default charge.		advanced
tax	Tax Additional percentage charge (e.g. 0.2 for 20%)		advanced
formula	Formula Individual formula for calculating the price Example: math.Max((price + charges) * (1 + tax), 0.0)		advanced
average	Average by hour		advanced

Configuration example for evcc.yaml

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

tariffs:
    grid:
      type: template
      template: voltcast
      apikey: # API Key, API key from https://voltcast.com/dashboard
      zone: DE-LU # Bidding zone, [AL, AT, BE, BG, CH, CZ, DE-LU, DK1, DK2, EE, ES, FI, FR, GR, HR, HU, IE-SEM, IT-CALA, IT-CNOR, IT-CSUD, IT-NORD, IT-SARD, IT-SICI, IT-SUD, LT, LV, ME, MK, NL, NO1, NO2, NO3, NO4, NO5, PL, PT, RO, RS, SE1, SE2, SE3, SE4, SI, SK, UA, XK] (optional)
      charges: # Charge, Additional fixed charge per kWh (optional)
      chargesZones: # Charges zones, Time-based grid fees that override the default charge. (optional)
      tax: # Tax, Additional percentage charge (e.g. 0.2 for 20%) (optional)
      formula: math.Max((price + charges) * (1 + tax), 0.0) # Formula, Individual formula for calculating the price (optional)
      average: # Average by hour, optional