Chattanooga's Radio-Operated Streetlamps

Radio controls cut energy use—and maintenance headaches

Almost a third of Chattanooga’s annual energy bill comes from old high-pressure sodium streetlamps. At any given time 5 percent of the bulbs are burned out, and they sometimes go on during the day, needlessly adding to electric bills. “You’ve got a certain amount of lights out but you have no idea where they are, so workers literally drive around in a truck looking for them, and it’s a real waste,” says David Crockett, director of the city’s office of sustainability.

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