sensor:
  - platform: template
    sensors:
      electricity_power_total:
        friendly_name: "Electricity Power Total"
        unit_of_measurement: "W"
        value_template: "{{ states('sensor.tasmo_wemosd1_7280_powermon_1_energy_power_0') |float + states('sensor.tasmo_wemosd1_7280_powermon_1_energy_power_1') | float + states('sensor.tasmo_wemosd1_7280_powermon_1_energy_power_2') | float }}"