After deciding to replace City street lamps with light-emitting diodes (LEDs), Chattanooga officials discovered a local company with a further cost-saving proposal: a radio-controlled system that can also slash maintenance expenses. Combined, the changes promise dollar savings of 75 percent to 80 percent. Following a successful test of 350 lights last year, The city contracted with Global Green Lighting to replace the city’s 26,500 street lamps. With estimated savings of $2.7 million annually when the project is completed in late 2013, the system will pay for itself within seven years, says David Crockett, director of the city’s office of sustainability. “If we’d just done LED, that would be like putting rocket boosters on horseshoes because it’s an old design,” he says. With the radio network, the city can turn street lamps on and off and tailor brightness to a neighborhood’s lighting needs. Read on at:
http://www.businessweek.com/articles/2012-05-10/chattanoogas-radio-operated-streetlamps
Source:
David Schaller www.sustainablepractices.info
http://www.businessweek.com/articles/2012-05-10/chattanoogas-radio-operated-streetlamps
Source:
David Schaller www.sustainablepractices.info
