White Heat

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 fuels

Fuel (% moisture content)

Pence per litre

£/tonne

Net Calorific Value

Pence/kWh (input)

pence/kWh (“on the meter”)

kWh/tonne

kWh/ltr

Electricity (domestic)

12

12.00

LPG (domestic)

40

6.6

6.06

7.13

Wood Pellet Bagged

250

4800

5.21

6.13

Firewood (30%)

150

3500

4.29

5.04

Wood Pellet – small blown delivery

220

4800

4.6

5.4

Wood pellet – full load blown delivery

200

4800

4.16

4.89

Heating oil

40

10.3

3.9

4.6

Main Gas (domestic)

3.50

4.12

Wood chip (20%)

150

4100

3.66

4.30

Wood chip (30%)

120

3500

3.43

4.03

Main gas

3.00

3.53

Wood chip (40%)

90

2900

3.1

3.65

Wood chip (50%)

70

2300

3.04

3.58

(Source: Forestry Commission, October 2017)

 

Energy from woodfuel changes with varying moisture content. Wight Heat wood briquettes are made from kiln dried wood and have a moisture content of 1 – 2% when bagged.

N.B. These prices are intended for guidance only and represent the typical cost per unit of fuel energy for comparison. This is not the same as cost per unit of delivered heat which will depend on the efficiency of the boiler or stove, and may also include other charges such as service and maintenance for heat supply contracts.

All prices are prone to significant variation with geographical region, tariff choice, order quantities, overall contract size and duration, time of year, delivery distance and time, etc. Woodfuels in particular are available at prices both significantly above and below those quoted, and bulk prices will be subject to a minimum delivery size of perhaps 3-5 tonnes. Wood pellets bought in bags may be significantly more expensive than those bought in bulk.

Delivery method (speed of delivery) also has a pronounced impact on cost per tonne.

 

All above referenced to Biomass Energy Centre May 2013