core: Tibber integration: Real time consumption sensor always has the value 'unavailable'

The problem

The Tibber integration has a real time consumption sensor that is named sensor.real_time_consumption_<homeaddress>. This sensor’s value is always ‘unavailable’. If I do a call to the tibber API i get the correct real time consumption data so it is available in the API. The other tibber sensors such as price works well.

Environment

• Home Assistant release with the issue: 0.105.2
• Last working Home Assistant release (if known):
• Operating environment (Hass.io/Docker/Windows/etc.): Hyper-V
• Integration causing this issue: Tibber
• Link to integration documentation on our website: https://www.home-assistant.io/integrations/tibber/

Problem-relevant configuration.yaml

tibber:
  access_token: !secret tibber_token

Traceback/Error logs

no errors in log

Additional information

I have an active subscription and can see the real time consumption in the android app and the API