Staff heating plant alerted the rescue service about the fire shortly after nine o'clock on Thursday night.
On the spot, it could be stated that there was a fire in a building where a transport train with wood chips was going.
- Smoke divers have entered, but we currently have no idea how extensive the fire is, says Ola Rosander, management operator at Räddningscentral Mitt.
Six units from the rescue service are on site and two are on their way.
At present, there should be no danger to the public.