Energy from wood
![Pellets](/en/subjects/forest/use-of-wood/wood-technology-laboratory/energy-from-wood/_/image/897b8b34-7ac6-41b8-911f-b1000c3a056b:fd7e2792fabc25549cbe487b45a0d614495af6b7/max-1280/Pellets.jpeg?quality=60)
What is the calorific value of wood-based material? Foto: Eirik Nordhagen, NIBIO
The calorific value of wood-based material can be determined by a bomb calorimeter (1 MJ / kg is 0.2778 kWh / kg).
We distinguish between higher, lower and gross heating value. Lower calorific value is indicated on dry and ash free material.
Typical Lower heating value for wood without bark, leaves or needles:
Softwoods: 19.1 MJ / kg, (5.3 kWh / kg)
Hardwoods: 18.9 MJ / kg, (5.25 kWh / kg)
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Contacts
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Contacts
![](/en/subjects/forest/use-of-wood/wood-technology-laboratory/energy-from-wood/_/image/e3ca3d56-12bb-4dfd-88ff-5b2c55781cab:6c3797db31a6be3c33f0a26945dfe34467f679c4/max-400/Simen_Gj%C3%B8lsj%C3%B8.jpg?quality=60)
![](/en/subjects/forest/use-of-wood/wood-technology-laboratory/energy-from-wood/_/image/fe4c4675-214c-4f73-bbbc-5aff452604a6:35ccc24511a2e0f972b34a47f669b02c346ca775/max-400/Eirik_Nordhagen.jpg?quality=60)