The Kinnunen mill in Utajärvi, Finland is preparing to challenge large mills in Central Europe with its own gluten-free oat products. The new fully oat-based mill and a 3.5 MW heat plant that was built by Nevel have now been finalised. The Nevel plant produces energy for the oat mill and a nearby feed mill, as well as provides district heating in the Utajärvi municipality. All energy will be produced from oat hulls, a byproduct of the milling process.
“Nevel's offer was considered the best because it was competitive and credible – if oat hulls are temporarily unavailable, Nevel supplies dry wood pellets that can be burned without needing to change the controls.”
Senior Vice President for Habitat, Utajärvi Municipality
A local circular economy
The mill will produce up to six million kilos of oat hulls each year. The oat hulls will only need to travel a few dozen meters before reaching the silo and finally the boiler, saving on transport costs and emissions. By burning the hulls, water is heated and the resulting steam provides energy for the oat and feed mills. In order to minimise waste, the nearby feed mill already uses the grain that is not suitable for flour and large-scale food use. Excess oat hulls will also be used in reindeer feed.
6 million kg
Oat hulls produced per year
From byproduct to district heating
In Utajärvi, district heating is used for public buildings and several housing companies. The 3.5 MW heat plant for the Kinnunen mill will provide heat for over 50 buildings in the municipality. Initially, Utajärvi intended to buy the heat to distribute in its own network, but ultimately decided to sell the network to Nevel – freeing up resources to use elsewhere in the municipality.
“We’ll be generating up to six million kilos of oat hulls as a byproduct each year. When we made the decision to build the oat mill we already knew that we’d like to use the hulls to produce sustainable energy.”
Production Director, Kinnusen Mylly
Provide cost-effective and environmentally friendly power for a new oat mill.
A 3.5 MW heating plant that burns the waste oat hulls to serve the mill’s power needs and provide nearby district heating.
The Nevel solution will strengthen the sustainability of the Kinnunen mill while reducing the byproducts of the milling process.
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