Food waste from households throughout the county and residual products from slaughterhouses and dairies are expected to total 60,000 tonnes per year.
"You can run 80-90 buses a year on the gas we will produce," says Torbjörn Stark, CEO of Biogas Jämtland-Härjedalen.
At present, only Östersund's municipal residents' compost bags end up here, but when the biogas plant is completed, the ambition is that the entire county's food waste will end up here (which is expected to amount to 10,000 tonnes). At the moment, food waste is turned into soil, which can only be used for topsoil at the recycling centre.
"Contains too much plastic"
The soil could have been sold on if it had been better sorted in the homes of households, says Christian Thorgerzon, unit manager at the waste and sewage plant.
"It contains too much plastic now. People throw away whole bread bags, cucumbers with plastic, and so on. The land could have been put to better use," he says.
Will be even more important
When the biogas plant is completed, it will be even more important that plastic does not get into the compost, as it destroys the process, says Christian Thorgerzon.
How are you going to get people to understand that cucumbers should be thrown away without plastic?
"We have to work harder with information campaigns.