energy saving and security like no other Costco Wholesale, Derby, Derbyshire CASE STUDY INFORMATION Unit powerPerfector iQ Unit size 690 kVA Install date Aug 2016 Annual kWh saving (kWh)* 122,110 Annual cost saving (£)* 10,990 * Additional savings T. +44 (0) 207 164 2271 E. enquiries@powerperfector.com W. powerperfector.com Operating since 1983, Costco is an international chain of membership only warehouses. Costco now has 729 warehouses worldwide with a growing membership base. Serving individual and trade customers, Costco offers choice food and drink along with household goods and luxury items. With 28 of these warehouses in the UK and a large amount of energy required on a daily basis, Costco began implementing powerPerfector technology with 31 units installed since 2012.

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