Energy-efficient retailing

Retail group Sainsbury's has unveiled a store in Greenwich, south-east London, which aims to reduce energy consumption by up to 50% compared with conventional supermarkets. The store is heated by energy reclaimed from its refrigeration systems and a cogeneration plant. Landscaped earth mounds keep it cool in summer and warm in winter, while wind turbines and solar panels power exterior signs. A refrigeration system designed by Oaksmere Refrigeration uses a hydrocarbon primary refrigerant instead of HFC greenhouse gases (ENDS Report 282, pp 34-35 ).

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