Spent hours with energy dashboard - how to get monthly costs?

[KennethLavrsen]

Have a look at this posting and also the follow ups where simplifications are suggested. No need for HACS components to do what you want

Price tracking energy usage dynamic contract

I may have something that fits you well. I use a triggered template sensor I have a sensor sensor.kamstrup_tpi which reports the kWh and it never resets. It just increases at a certain rate. And I have a sensor sensor.electricity_price_median which is the current price of electricity. This sensor then calculates the spend every time the meter reports a new value - trigger: - platform: state entity_id: sensor.kamstrup_tpi sensor: - name: "Electricity Spend" unique_id: e…