Welcome to Wight Heat briquettes
Wight Heat Briquettes are made from 100% clean wood waste, nothing added.
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Typical calorific values of biomass vs fuel |
Fuel |
Moisture |
kWh /kg |
kcal /kg |
Weight kg/m3 |
kg = 1liter fuel |
| Briquettes | 20% | 4,9 | 4,214 | 660 | 2,03 |
| Forest wood chip dry | 40% | 2,89 | 2,511 | 240 | 3,44 |
| Forest wood chip fresh | 55% | 2 | 1,72 | 310 | 4,98 |
| Miscanthus | 10% | 4,4 | 3,78 | 140 | 2,26 |
| Rapeseed | 9% | 6,83 | 5,87 | 700 | 1,46 |
| Sawdust | 6% | 4,2 | 3,629 | 160 | 2,36 |
| Wheat Straw | 15% | 4 | 3,44 | 100 | 2,49 |
| Wood chip | 20% | 4,22 | 3,629 | 175 | 2,36 |
| Wood granulate | 8% | 4,44 | 3,81 | 600 | 2,24 |
| Woodlogs ash | 45% | 2,61 | 2,245 | 650 | 3,81 |
| Woodlogs ash dry | 20% | 4,08 | 3,509 | 400 | 2,44 |
| Coal | 10% | 7 | 6,02 | 750 | 1,36 |
| Fuel gasoil | 11,8 | 11,2 | 840 | 0,84 | |
| Natural gas | 10,83> | 9,314< | 0 | 0 | |
Energy data for selected agricultural by-products. Source Biofuels b2b. |
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Calorific values of fuel |
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Fuel |
Energy density by mass GJ/tonne |
Energy density by mass kWh/kg |
Bulk density kg/m3 |
Energy density by volume MJ/m3 |
Energy density by volume kWh/m3 |
Wood chips (30% MC) |
12.6 |
3.5 |
250 |
3,200 |
880 |
Log wood (stacked - air dry: 20% MC) |
14.7 |
4.1 |
350-500 |
5,200-7,400 |
1,400-2,000 |
Wood (solid - oven dry) |
19 |
5.3 |
400-600 |
7,600-11,400 |
2,100-3,200 |
Wood pellets |
17-18 |
4.7-5.0 |
600-700 |
10,800-12,600 |
3,000-3,500 |
Miscanthus (bale - 25% MC) |
13 |
3.6 |
140-180 |
1,800-2,300 |
500-650 |
House coal |
27-31 |
7.5-8.6 |
850 |
25,500-25,400 |
7,100-7,300 |
Anthracite |
33 |
9.2 |
1,100 |
36,300 |
10,100 |
Heating oil |
42.5 |
11.8 |
845 |
36,000 |
10,000 |
Natural gas (NTP) |
54 |
15 |
0.7 |
39.0 |
10.8 |
LPG |
49.7 |
13.8 |
510 |
25,300 |
7,000 |
Find out more
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Collect from us or enquire about delivery. Delivery to Isle of Wight only. Orders of 10 bags or fewer will be delivered on our next scheduled delivery round. Trade prices available upon request. |