Home Assistant - nordpool price less than 5c automation

- id: turn_on_water_boiler
  alias: Turn on water boiler
  description: Turns on water boiler when energy prices are less than 5c
  trigger:
  - platform: numeric_state
    entity_id: sensor.nordpool_kwh_fi_eur_3_10_01
    attribute: current_price
    below: 5
  condition:
  - condition: numeric_state
    entity_id: sensor.nordpool_kwh_fi_eur_3_10_01
    below: 5
  action:
  - service: switch.turn_on
    data: {}
    target:
      entity_id: switch.water_boiler
  mode: single