Macy's Reducing Energy Costs With LED Lighting Retrofit

As reported in Chain Store Age

Macy’s has begun construction on a 3.5-megawatt high-efficiency solar power system on the roof of its online fulfillment center in Goodyear, Ariz. When completed in March 2011, the installation is expected to be the largest solar power system on a single rooftop in the United States. In other energy-saving moves, Macy’s has become the first department store company to implement the use of LED accent lighting on a wide scale.

The solar system in Goodyear is being designed and installed by SunPower, which will provide ongoing operations and maintenance services. The installation is expected to offset more than 3,500 tons of carbon dioxide per year, the equivalent of removing 18,204 cars from Arizona’s highways over the 30-year life of the system.

<b>LED Lighting Retrofit

On the lighting front, Macy’s will replace 117,000 incandescent lamps in 86 stores with LED lamps that use roughly 73% less energy. Total energy savings are estimated at about 16,200 megawatts per hour every year. In addition, the LEDs have an expected life of five to 10 years (compared with less than one year for traditional bulbs), thereby reducing landfill disposal.

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