SuperValu Inc. (Eden Prairie, Minn.), the supermarket operator that has been out front in the green build movement, has added another color to its chest full of medals.The winner of gold and silver certification from LEED has built the first supermarket in the nation to receive a GreenChill platinum award from the Environmental Protection Agency for energy-saving refrigeration technology.
The new Star Market in Chestnut Hill, Mass., a flagship store for the company’s Shaw’s/Star Market division, is also the first supermarket in the nation to use all LEDs for its interior and exterior lighting.
“We intended this to be New England’s new standard for sustainable supermarkets,” says Holly Angell, SuperValu’s director of technology, energy and environmental."
The environmentally friendly touches fill this store, a 53,514-square-foot, two-level space that is a grounds-up replacement of a smaller, 50-year-old market. For example, the LED lighting will allow for an anticipated reduction of at least 50 percent in energy consumption. And these LED fixtures are expected to be maintenance-free for a minimum of five years. “The light output and quality are also maintained throughout the fixture life,” says Angell, “which is an additional benefit that’s often overlooked.”
New technology also allowed the retailer to dim these lights an additional 25 to 30 percent. And, in addition to saving energy, “LED lights provide a calming sensation with no flickering, hum or eye-straining ultraviolet light,” says creative design manager Harry Steen.
The award-winning green refrigeration technology allowed the refrigerant charge to be reduced by more than 90 percent, using just 275 pounds of refrigerant (versus the typical 3000-4000 pounds). Also, this is just the second store in the nation to use an on site 400kw combined heat and power fuel cell for 90 percent of the store’s energy. The fuel cell is virtually pollution-free and independent of the local power grid.
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