Maintaining an appropriate moisture level in your feedstock is vital for overall quality of the final pellets, raw material moisture content is the best for wood pellet production is 10 – 15%. Other types of biomass have other requirements.

Moisture can be reduced from the feedstock by oven-drying or by blowing hot air over or through the wood particles. If the feedstock is too dry, moisture can be added by injecting steam or water in to the feedstock.