Scottish Water Horizons’ Deerdykes Bioresources Centre near Cumbernauld in North Lanarkshire has generated 50 GWh of green electricity – the equivalent of powering 13,500 homes for a year.
Since 2010, Deerdykes has saved more than 170,000 tonnes of carbon. The facility harnesses gas from food waste using anaerobic digestion to generate green energy using a combined heat and power engine (CHP).
Colin Lindsay, Operations Manager, Scottish Water Horizons commented:
“The numbers are impressive but quite difficult to visualise – particularly if you try to imagine 500 million kettles being boiled at once, or driving six million miles in your car.
“There is the added bonus that we are diverting huge amounts of food waste from going to landfill where it would break down to produce methane – a dangerous greenhouse gas.”
Food waste is broken down in sealed, oxygen-depleted tanks to produce energy-rich biogas. This is then converted into electricity through the CHP engines, as well as a natural fertiliser for use in agricultural land spreading.
Around a million tonnes of food is thrown away in Scotland each year. A number of local authorities across west-central Scotland transport waste to Deerdykes along with waste from many food producers and businesses.
Scottish Water Horizons is the commercial arm of Scottish Water and plays an important part in helping the organisation meet its Net Zero ambitions, by maximising opportunities for green energy production on Scottish Water sites.
Scottish Water has already committed to reaching Net Zero by 2040 – five years ahead of the Scottish Government’s national targets.
The company’s current renewable energy portfolio covers anaerobic digestion, photo voltaic , heat from waste water technology, solar thermal, wind, Combined Heat & Power (CHP), hydro and biomass.
As well as transforming the delivery of key services, Scottish Water works with a wide range of partners to contribute towards wider carbon reductions.
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