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U.K. grocer Sainsbury's Supermarkets, Ltd. in has completed a 25-store Energy Saving Module (ESM) installation program designed to enhance the efficiencies of its refrigeration and air-conditioning systems.
The retailer is working with Smartcool Systems Inc. of Vancouver, British Columbia, which makes the module. "We have enjoyed significant business and environmental gains over the last three years with our Reset energy reduction program, and our extensive testing has shown that the Smartcool ESM will be a key addition to our list of energy-reduction initiatives," said Jeremy Waters, Sainsbury’s energy manager. "The energy savings we are experiencing with the ESM have led to valuable cost benefits and is helping us meet our environmental targets."
The installation program consisted of three stages, an initial test store followed by a further seven-store assessment. Upon consideration of these results, Smartcool was commissioned to install the ESM in an additional 17 stores.
Results at the test location included:
--A savings of 12.3 percent kilowatt-hours (kWh) of electricity for refrigeration units
--Estimated electricity reduction of 150,380 kWh annually, or enough electricity to supply 32 homes
--Estimated greenhouse gas reductions of 202,844 pounds annually
Additionally, testing at the seven pilot sites revealed an average reduction in total store electricity usage of 3.5 to 4.5 percent, and an average 30-month payback on capital investment.
Sainsbury's green initiatives stretch back more than a decade, when the grocer was the first retailer to publish a comprehensive environmental performance report.
Sainsbury's, a subsidiary of London-based J Sainsbury plc, consists of 509 supermarkets and 276 convenience stores.