binary_sensor.yaml

- platform: template
  sensors:
    upstairs_tv_on:
      friendly_name: "Upstairs TV on"
      value_template: "{{ states('sensor.upstairs_tv_smart_plug_power')|float > 24 }}"
    downstairs_tv_on:
      friendly_name: "Downstairs TV on"
      value_template: "{{ states('sensor.downstairs_tv_smart_plug_power')|float > 24 }}"
    owen_computer_active:
      friendly_name: "Owen Computer active"
      value_template: "{{ states('sensor.owen_computer_smart_plug_power')|float > 130 }}"
    treadmill_active:
      friendly_name: "Treadmill active"
      value_template: "{{ states('sensor.treadmill_smart_plug_power')|float > 150 }}"