SUMMARY To achieve the energy consumption goals of its sustainability initiative, the City of Cambridge, MA selected King Luminaire Co. Inc., a division of The StressCrete Group, to replace 2,100 high-pressure sodium (HPS) streetlights with energy-efficient light- emitting diode (LED) lights, which are compatible with their new wireless adaptive control system. The LED conversion contributed significantly to the City’s ability to reduce its energy consumption, while yielding reduced maintenance costs, increased light uniformity, visibility, and color rendition. In addition, it positioned Cambridge as the first U.S. city to complete a city- wide LED streetlight retrofit using wireless adaptive controls. PROJECT HIGHLIGHTS Project Site: Cambridge, MA Payback Period: 4.36 years Ele

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