把洗碗机推迟到最便宜的两小时电价窗口

自动化 YAML energy-cheap-tariff-dishwasher.yaml 复制

# HearthNodes recipe 17 - dishwasher to the cheapest block
alias: "Energy - dishwasher waits for the cheapest two hours"
id: hn_energy_cheap_tariff_dishwasher
description: "Defer to the lowest mean-price 2 hour block of the next 14 hours"
mode: restart
max_exceeded: silent

trigger:
  - platform: state
    entity_id: binary_sensor.dishwasher_ready
    to: "on"

variables:
  horizon_h: 14
  block_h: 2
  prices: "{{ state_attr('sensor.day_ahead_prices','prices') }}"
  best_block: "{{ prices | hn_cheapest_block(block_h, horizon_h) }}"
  deadline: "{{ now() + timedelta(hours = horizon_h) }}"

condition:
  - condition: template
    value_template: "{{ prices is not none and prices | count > horizon_h * 4 }}"
  - condition: state
    entity_id: input_boolean.dishwasher_run_now
    state: "off"

action:
  - service: input_datetime.set_datetime
    target:
      entity_id: input_datetime.dishwasher_deadline
    data:
      datetime: "{{ deadline.isoformat() }}"
  - service: notify.mobile_app_primary
    data:
      title: "Dishwasher scheduled"
      message: >-
        Running {{ best_block.start }} to {{ best_block.end }} at
        {{ best_block.mean_price }} c/kWh
  - wait_for_trigger:
      - platform: time
        at: "{{ best_block.start }}"
    timeout: "{{ deadline - now() }}"
    continue_on_timeout: true
  - service: switch.turn_on
    target:
      entity_id: switch.dishwasher_socket
  - wait_for_trigger:
      - platform: numeric_state
        entity_id: sensor.dishwasher_plug_power
        below: 3
        for: "00:20:00"
    timeout: "03:00:00"
  - service: switch.turn_off
    target:
      entity_id: switch.dishwasher_socket

# Deadline within 4 hours and no cheap block found -> run now regardless of price.
# The socket is only energised if the machine actually resumes after power-up;
# test that before relying on this method.