Fuel Profiles

Characterisation & Quantification of Wood Fuel Quality


Roundwood Chip

Whole Tree Chip

Stump Hogfuel

Brash Hogfuel


Energy Content at 40% Moisture Content

Fuel Type Weight (kg) Solid Volume(m3) Bulk Volume(m3) Energy (Gj) Energy (KWh)
Roundwood Chip 1000 - 4 11.1 3086
Roundwood 620 1 2.5 6.8 1890
Whole Tree Chip 1000 - 4.2 11.2 3122
Whole Tree Chip 240 - 1 2.7 740
Stump Hogfuel 1000 - 4.3 11.3 3150
Stump Hogfuel 240 - 1 2.7 740
Brash Bundle 245 1.25 - 2.8 752
Brash Hogfuel 1000 - 2.95 11.1 3073

Bulk Volume at 40% Moisture Content

Fuel Type Bulk Density (kg/m3)
Roundwood 430
Roundwood Chip 250
Whole Tree Sitka spruce woodchip 240
Whole Stumps 122
Stump Hogfuel 241
Brash Bundles 195
Brash Hogfuel 340

Ash Content

Moisture content