Appliance Cycle Power Usage

appliance_cycle_power_usage.yaml

blueprint:
  name: Appliance Cycle Power Usage
  description:
    "Detects an appliance cycle start/end from power usage, calculates
    energy and cost, and sends a notification.

    "
  domain: automation
  input:
    appliance_name:
      name: Appliance name
      description: Used in notification text (e.g. Dishwasher, Washing Machine)
      default: Appliance
      selector:
        text:
          multiline: false
          multiple: false
    power_sensor:
      name: Power sensor
      description: Sensor reporting instantaneous power (W)
      selector:
        entity:
          domain:
            - sensor
          reorder: false
          multiple: false
    energy_sensor:
      name: Energy sensor
      description: Sensor reporting cumulative energy (kWh)
      selector:
        entity:
          domain:
            - sensor
          reorder: false
          multiple: false
    energy_start_helper:
      name: Energy start helper
      description: input_number used to store starting energy reading
      selector:
        entity:
          domain:
            - input_number
          reorder: false
          multiple: false
    start_threshold:
      name: Start threshold (W)
      description: Power above this means the cycle has started
      default: 10
      selector:
        number:
          min: 0.0
          max: 2000.0
          step: 1.0
          mode: slider
    idle_threshold:
      name: Idle threshold (W)
      description: Power below this (for a while) means the cycle is finished
      default: 5
      selector:
        number:
          min: 0.0
          max: 200.0
          step: 1.0
          mode: slider
    idle_time:
      name: Idle duration
      description: How long power must stay below idle threshold
      default: 00:05:00
      selector:
        duration: {}
    energy_price:
      name: Energy price ($/kWh)
      description: Used to estimate cycle cost
      default: 0.3
      selector:
        number:
          min: 0.0
          max: 2.0
          step: 0.01
          mode: slider
    notify_target:
      name: Notification target
      description: "Notify service to call, e.g. 'family_phones' for notify.family_phones"
      selector:
        text:
          multiline: false
          multiple: false
  source_url: https://gist.github.com/lparry/34d1f94710bd366628e5aa6c8b9a0152
mode: single
variables:
  appliance_name: !input appliance_name
  power_sensor: !input power_sensor
  energy_sensor: !input energy_sensor
  energy_start_helper: !input energy_start_helper
  start_threshold: !input start_threshold
  idle_threshold: !input idle_threshold
  idle_time: !input idle_time
  energy_price: !input energy_price
  notify_target: !input notify_target
trigger:
  - id: cycle_start
    platform: numeric_state
    entity_id: !input power_sensor
    above: !input start_threshold
  - id: cycle_complete
    platform: numeric_state
    entity_id: !input power_sensor
    below: !input idle_threshold
    for: !input idle_time
action:
  - choose:
      - conditions:
          - condition: trigger
            id: cycle_start
        sequence:
          - condition: template
            value_template: >-
              {{ (now() - states.input_number.internal_bp_dishwasher_energy_start.last_changed).total_seconds() > 5400 }}
          - target:
              entity_id: input_number.internal_bp_dishwasher_energy_start
            data:
              value: "{{ states(energy_sensor) | float(0) }}"
            action: input_number.set_value

      - conditions:
          - condition: trigger
            id: cycle_complete
        sequence:
          - variables:
              energy_start: "{{ states(energy_start_helper) | float(0) }}"
              energy_now: "{{ states(energy_sensor) | float(0) }}"
              energy_used: "{{ (energy_now - energy_start) | float(0) }}"
              cost: "{{ (energy_used * energy_price) | float(0) }}"
          - service: "notify.{{ notify_target }}"
            data:
              title: "{{ appliance_name }} cycle complete"
              message: "{{ appliance_name }} cycle finished. Energy used: {{ energy_used | round(2) }} kWh. Estimated cost: ${{ cost | round(2) }}.  "
          - service: input_number.set_value
            target:
              entity_id: !input energy_start_helper
            data:
              value: "{{ energy_now }}"