Stromligning for Home Assistant integrates Day Ahead spotprices for electricity, from the Stromligning API.
The integration automatically recognises tariff settings from the Home Assistant home location coordinates and allows you to select your electricity vendor.
My Home Assistant shortcut:
Or go to Home Assistant > Settings > Integrations
Add "Stromligning" integration (If it doesn't show, try CTRL+F5 to force a refresh of the page)