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Wood Fuel Standards

In order for the wood to be used to produce heat efficiently in an appliance such as a biomass boiler, it has to meet specific quality standards.  Standards are required to describe biomass fuels and testing gives confirmation of adherence to standards.  In order to ensure quality, it is necessary to regularly sample and test fuel to ensure that it meets customer expectations, appliance requirements, and product descriptions.  

There have been several standards used in the UK biomass industry for the provision of wood fuel for use in RHI boilers, they are:

1. Onorm (M7 133)

2. EN 14961

3. ISO 17225

BS EN ISO 17225 was launched in Europe in 2014 and adopted by UK Government in 2021.  It broadens the scope of the classification.