Home Assistant automation for force charging FoxESS batteries based on Octopus Agile price and time window

agile_price_charge.yaml

alias: Agile price charge
description: >-
  Set the inverter to force charge when we're in the time window and the
  Octoppus Agile price is at or below the threshold.
trigger:
  - platform: state
    entity_id:
      - binary_sensor.charge_window
    from: "off"
    to: "on"
  - platform: state
    entity_id:
      - binary_sensor.charge_window
    from: "on"
    to: "off"
  - platform: state
    entity_id:
      - sensor.octopus_energy_electricity_xxx_xxx_current_rate
condition:
  - condition: state
    entity_id: input_boolean.agile_charging_enabled
    state: "on"
  - condition: state
    entity_id: schedule.force_charge
    state: "off"
action:
  - if:
      - condition: state
        entity_id: input_boolean.agile_charging_enabled
        state: "on"
      - condition: state
        entity_id: binary_sensor.charge_window
        state: "on"
      - condition: template
        value_template: >-
          {% set cur_price =
          states('sensor.octopus_energy_electricity_xxx_xxx_current_rate')
          | float %}

          {% set threshold = states('input_number.agile_price_threshold') |
          float / 100 %}

          {{ cur_price <= threshold }}
        alias: Confirm Agile price meets threshold
    then:
      - action: notify.mobile_app_phone
        metadata: {}
        data:
          message: Agile price is below threshold and is in time window
          title: Starting charge
      - action: select.select_option
        metadata: {}
        data:
          option: Force Charge
        target:
          entity_id: select.work_mode
    else:
      - condition: state
        entity_id: binary_sensor.charge_window
        state: "off"
        enabled: false
      - condition: state
        entity_id: select.work_mode
        state: Force Charge
      - action: notify.mobile_app_phone
        metadata: {}
        data:
          title: Stopping charge
          message: Window has ended
      - action: select.select_option
        metadata: {}
        data:
          option: Self Use
        target:
          entity_id: select.work_mode
mode: single
trace:
  stored_traces: 48