Ice-cream maker hot on renewable energy

MACKIE’S OF SCOTLAND is set to build a 250kW anaerobic digestion (AD) plant to turn slurry from its 400 dairy cows into biofuel.

 

Foodservice Footprint jimp_cows-1-300x195 Ice-cream maker hot on renewable energy Foodservice industry news Foodservice News and Information  renewable energy Martin Tagney Mackie's of Scotland ice ceam Edinburgh University Edinburgh Napier University's Biofuel Business Programme Biofuel Research Centre BfRC BBP

 

 

 

 

 

 

 

 

 

The facility, at the company’s Aberdeenshire plant, is currently under consideration. However, if it gets the go-ahead it will ensure Mackie’s is entirely dependent on renewable energy.

 

The company was an early adopter of renewable energy, introducing an 800kW wind turbine in 2005 to supply electricity to the farm and ice cream production, followed by an additional two 800kW turbines in 2007, which now supply 70% of the firm’s energy needs and allow 62% of their total output to be exported to the national grid.
 

A further 50kW of solar panels were added earlier this year to complement the wind turbines to reduce grid usage during daylight hours when Mackie’s power usage is at its highest.

The firm continues to take power from the grid when the wind isn’t blowing or when its consumption is higher than the output from its renewable sources and directors believe installing an AD plant will make this no longer necessary.

 

The company has teamed up with scientists at Edinburgh Napier University’s Biofuel Business Programme (BBP) – part of Edinburgh Napier’s Biofuel Research Centre (BfRC) – to devise plans for the plant that will use thousands of tonnes of slurry to generate methane biogas which can then be transformed into electricity.
 

It is estimated that using AD will help the firm to save up to £300,000 in fuel costs as well as creating one new job and safeguarding two others. They may also have to source feedstock other than the slurry.

 

BfRC director Martin Tangney said: “Scotland leads the way in seeking alternative energy sources, with ambitious self-imposed targets. Key to achieving these goals will be adoption of renewable energy technologies by Scottish companies and our objective at the Biofuel Research Centre is to assist wherever possible in introducing sustainable biofuels and bioenergy from renewable resources. Mackies is a fantastic example of a company looking across the board to cut its carbon footprint and strive towards self-sufficiency for energy.”

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