Knowledge BaseGeneral FAQsHow much timber do you use each year?We require around 50,000 tonnes of virgin wood each year.To find out more, please contact us.in General FAQsRelated ArticlesWhat services do you offer?How reliable are biomass systems?Is there a risk of explosion with a biomass boiler?How often do I need to clean out the ash from the boiler?How much storage space is required for my wood fuel?Can wood fuel storage units be built underground?