PolyBrite International, Inc., developer of Borealis light-emitting diode (LED) lamps and lighting systems, today announced that the City of Naperville has completed its six-month trial of LED streetlights with up to 60% savings in energy consumption. From June 2009 to January 2010, seven 120-watt Borealis LED street lights were monitored with a corresponding number of 350-watt HPS (high pressure sodium) street lights. The Borealis LED streetlights, on loan from PolyBrite International, were tested along the south side of Diehl Road between Country Club Boulevard and Fairway Drive.
“The successful Borealis LED streetlight pilot test saved the city of Naperville electricity and taxpayer dollars,” said Carl Scianna, president and CEO of PolyBrite International. Mr. Scianna further noted, “The test concludes that Borealis' LED streetlights use, on average, a remarkable 57.6% less energy than HPS streetlights. The goal is to replace all public lighting with LEDs to significantly reduce electricity consumption and greenhouse gas emissions… a win-win for our city budgets and for the environment.”
PolyBrite's patented LED technology, used in all Borealis lamps and lighting systems, will reduce the city's operating costs, including lower energy consumption, maintenance and lamp replacement. The City of Naperville's cost savings calculations project an annual greenhouse gas (GHG) saving of 4,739 tons of CO2e (carbon dioxide equivalent) per year and an annual financial saving of at least $500,000 per year by 2015 if all street lights and traffic lights are converted to LED. These estimates are based on a conservative electricity tariff and increases in energy costs would result in greater cost savings.
Borealis LED street lights produce sharp, pure colors without glare and are quick to turn on without a cold start compared to HPS street lights, which typically take several minutes to reach full brightness. Motion sensors and light controls can also be used with Borealis LED lighting as they can be turned on and off instantly. Additionally, Borealis LED street lights are better equipped to withstand extremes of hot and cold temperatures and offer greater control over what is illuminated, reducing light pollution, making them an ideal solution for public lighting.
The City of Naperville requested public input and approval of the test installations. The response from the community was extremely positive.
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