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Sustainability Leaders Awards 2012


solidated before being sent for process- ing. These logistics have reduced direct store waste collections by 60%, with collections from nine depots versus 570 stores, saving road journeys and carbon emissions.


waste to landfill targets, but also ensures the company can become more environ- mentally responsible due to greater use- ful outputs (biogas, heat and compost) which benefit both energy and farming industries.


Four years ago a strategic decision was taken to support the growth of AD and Sainsbury’s delivered its first waste food shipment to a Northamptonshire AD site. Since December 2011, all food waste from depots, supermarkets and conveni- ence stores, which cannot be donated to charity or turned into animal feed, is now sent to AD.


All this waste is segregated and back- hauled by delivery vehicles on return journeys to either Sainsbury’s depots or its AD partner’s depots where it is con-


In 2011-12, 30,000 tonnes food waste was sent to AD, reducing carbon emis- sions and creating 2MW/hour – enough energy for five stores annually. Waste disposal costs have been significantly reduced and as a result of this move, Sainsbury’s claims to be the largest sin- gle user of AD technology in the UK. Project success came from effective stakeholder engagement. Store colleagues were trained to deal with food waste to ensure legislative requirements were met. Logistics helped to adapt the backhaul- ing stage and thus consolidation of the food waste.


Regulatory bodies were also consulted to ensure any obstacles could be over- come, such as the correct handling of raw meat and eggs. Meanwhile AD suppliers were asked to bid on consolidation and processing all food waste, so avoiding further waste disposal treatments. The retailer has further signalled its support for the technology by direct-


ly contracting through power purchase agreements for green energy (4.5% of our demand) – this includes AD plants. It is also directly investing in Tamar Energy to build 100MW of AD capacity, this will enable its food suppliers to have access to 40 planned UK wide sites.


JUDGES COMMENTS: Sainsbury’s has bitten the bullet to divert food waste through AD. This sends out a very powerful message – it is far away the biggest impact project


FINALISTS Arla Foods Biffa and Moy Park Biffa and Midcounties Co-operative Sodexo Whitbread


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