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- platform: template
  binary_sensors:
    boiler_appliance_in_use:
      friendly_name: "Boiler Appliance In Use"
      value_template: "{{ states('sensor.boiler_power') | float > 10 }}"

- platform: history_stats
  name: "Boiler Usage Time"
  entity_id: binary_sensor.boiler_appliance_in_use
  state: "on"
  type: time
  start: "{{ now().replace(hour=0, minute=0, second=0) }}"
  end: "{{ now() }}"

utility_meter:
  boiler_usage_time_daily:
    source: sensor.boiler_usage_time
    cycle: daily

  boiler_usage_time_weekly:
    source: sensor.boiler_usage_time
    cycle: weekly

  boiler_usage_time_monthly:
    source: sensor.boiler_usage_time
    cycle: monthly