Home Assistant Blueprint: Notify or do something when an appliance like a dishwasher or washing machine finishes

applicance-started-andor-stopped.yaml

blueprint:
  name: Appliance has started and/or finished
  description: Do something when an appliance (like a washing machine or dishwasher) is started or has finished as detected by a power sensor based in the Watts consumed.
  domain: automation
  input:
    power_sensor:
      name: Power Sensor
      description: Power sensor entity (e.g. from a smart plug device).
      selector:
        entity:
          domain: sensor
    starting_threshold:
      name: Starting power threshold
      description: Power threshold above which we assume the appliance has started.
      default: 100
      selector:
        number:
          min: 1.0
          max: 250.0
          unit_of_measurement: W
          mode: slider
          step: 1.0
    starting_hysteresis:
      name: Starting hysteresis
      description: Time duration the power measurement has to stay above the starting
        power threshold.
      default: 5
      selector:
        number:
          min: 0.25
          max: 60.0
          unit_of_measurement: min
          mode: slider
          step: 0.25
    finishing_threshold:
      name: Finishing power threshold
      description: Power threshold below which we assume the appliance has finished.
      default: 5
      selector:
        number:
          min: 1.0
          max: 100.0
          unit_of_measurement: W
          mode: slider
          step: 1.0
    finishing_hysteresis:
      name: Finishing hysteresis
      description: Time duration the power measurement has to stay below the finishing
        power threshold.
      default: 5
      selector:
        number:
          min: 0.25
          max: 60.0
          unit_of_measurement: min
          mode: slider
          step: 0.25
    started_actions:
      name: Started actions
      description: Automation actions to execute when the appliance has started.
      default: {}
      selector:
        action: {}
    finished_actions:
      name: Finished actions
      description: Automation actions to execute when the appliance has finished.
      default: {}
      selector:
        action: {}
  source_url: "https://gist.github.com/mdehaas/30eb316ce724bc5f3be4c0b20f2c512e"
trigger:
- platform: numeric_state
  entity_id: !input 'power_sensor'
  for:
    minutes: !input 'starting_hysteresis'
  above: !input 'starting_threshold'
condition: []
action:
- choose: []
  default: !input 'started_actions'
- wait_for_trigger:
  - platform: numeric_state
    entity_id: !input 'power_sensor'
    below: !input 'finishing_threshold'
    for:
      minutes: !input 'finishing_hysteresis'
- choose: []
  default: !input 'finished_actions'
mode: single
max_exceeded: silent