The LED retrofit market is at the beginning of a huge upward swing, according to an article in Forbes. IHS Technology reports that of the 140 million streetlights installed worldwide, just over 13 percent are LEDs, and that percentage is expected to jump to almost 65 percent by 2020.
Although LEDs cost three to four times more than traditional streetlamps, they last three to four times longer and produce two to three times more light per watt. They also deliver 30 percent to 70 percent in annual electricity savings over their predecessors, are more programmable and are easier to connect to citywide wireless networks. Continue reading