Run install_requirements.bat to install all requirements.

Open src/settings.py and edit the settings as you like.

Open res/devices.json and add new section, where key is device identity (should be lowercase word with underscore as spaces) and body is a dict with possible key-values:

• name (required) - full name of this device,
• watt or kWh (required) - how many energy does device use per hour,
• usage_days (default: as period) - how many days does this device work,
• usage_day_hours (default: 24) - how many hours does this device work per day,
• icon_path (only for GUI, default from settings.py) - full or relative path to image with icon.

Add your devices, set their power (in Watt or kWh) and how often do you use them. Then use the calculate command. You will receive something like that: