Adjust EV charger current based on PV & Battery SoC, with dashboard controls

Smart EV Charging with PV - Adaptive with Controls.yaml

alias: Smart EV Charging - Adaptive with Controls
description: Adjust EV charger current based on PV & Battery SoC, with dashboard controls
trigger:
  - platform: time_pattern
    minutes: "/3"  # every 3 minutes
condition:
  - condition: state
    entity_id: input_boolean.enable_smart_ev_charging
    state: "on"
action:
  - variables:
      pv_power_kw: "{{ states('sensor.deye_pv_power') | float(0) }}"
      load_power_kw: "{{ states('sensor.deye_load_power_x_10') | float(0) }}"
      battery_soc: "{{ states('sensor.deye_battery') | float(0) }}"
      current_amps: "{{ states('number.ev_charger_set_charge_current') | float(6) }}"
      soc_threshold: "{{ states('input_number.minimum_battery_soc_for_ev_charging') | float(80) }}"
      available_kw: "{{ pv_power_kw - load_power_kw }}"
      delta_amps: 2
      max_amps: 32
      min_amps: 6

      new_amps: >
        {% if battery_soc > soc_threshold %}
          {% if available_kw > 0.5 %}
            {{ [current_amps + delta_amps, max_amps] | min }}
          {% elif available_kw < -0.5 %}
            {{ [current_amps - delta_amps, min_amps] | max }}
          {% else %}
            {{ current_amps }}
          {% endif %}
        {% else %}
          {{ min_amps }}
        {% endif %}

  - service: number.set_value
    target:
      entity_id: number.ev_charger_set_charge_current
    data:
      value: "{{ new_amps }}"
mode: single