https://github.com/jonasbkarlsson/ev_smart_charging
I installed this one, does the trick!
In addition, but using entso-e:
https://community.home-assistant.io/t/custom-component-entso-e-day-ahead-energy-prices/467127/16
- unique_id: billigste_timer_1_2
name: billigste_timer_1_2
state: >-
{% set l=state_attr('sensor.average_electricity_price_today', 'prices')[14:]|sort(attribute='price') %}
{% set t = now() %}
{{ (t >= as_datetime(l[0].time) and t <= as_datetime(l[0].time) + timedelta(hours = 1))
or (t >= as_datetime(l[1].time) and t <= as_datetime(l[1].time) + timedelta(hours = 1)) }}
- unique_id: billigste_timer_1_3
name: billigste_timer_1_3
state: >-
{% set l=state_attr('sensor.average_electricity_price_today', 'prices')[14:]|sort(attribute='price') %}
{% set t = now() %}
{{ (t >= as_datetime(l[0].time) and t <= as_datetime(l[0].time) + timedelta(hours = 1))
or (t >= as_datetime(l[1].time) and t <= as_datetime(l[1].time) + timedelta(hours = 1))
or (t >= as_datetime(l[2].time) and t <= as_datetime(l[2].time) + timedelta(hours = 1)) }}