Chip wood drying before being chipped to produce wood chip or biomass fuel.

Cost per kWh versus moisture content

The table below provides an indication of the link between price per tonne and pence per kWh for wood fuel at different moisture contents. Forest Fuels Ltd aims to deliver wood chip at 25-30% moisture content to most biomass boilers unless they are wet fuel boilers.

Graph showing effect of moisture on calorific value of biomass, wood fuel, wood chip. Supply at W35 or W30.

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Table courtesy of Econergy  




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