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Highlands & Islands Woodfuel Group
The first meeting of the Highlands and Islands Woodfuel Group will take place in Inverness on Thursday 23rd February. Read More...Green Deal
The Energy Act has become law setting in stone the legal framework for the Green Deal, which will be launched in Autumn this year. The Green Deal will revolutionise the energy efficiency of the nation’s homes and businesses. It will help people insulate against rising energy prices, creating homes which are warmer and cheaper to run. Read More...Planning a Woodfuel Installation
What do I need to know?
How much energy do I use?
Average Energy Use (Highland Domestic) per annum
Average 3 bedroomed Highland House, Heating and Hot water
= c. 22 Mhw =c. 22 000 kWh
In practice the energy use per house varies enormously and is dependent
on age, location, size, insulation levels, occupancy and building fabric.
Which type of fuel should I choose and how much will I need?
How much fuel would I need if I use logs?
Annual woodfuel (Logs) requirements for an average Highland
house.
1 tonne wood @ 30% Moisture Content (MC) = 3500 kWh
∴ Average house wood use = 22000/3500 = 6.3 tonnes
Automated Woodfuel equipment efficiency = c. 85%
∴ requirement for average house = 6.3 tonnes /85 x 100 = 7.42 tonnes
Open fireplace efficiency = c. 35%
∴ requirement for average house = 6.3 tonnes / 35 x 100 = 18 tonnes
