The U.S. Department of Energy’s Municipal Solid-State Street Lighting Consortium recently published guidelines for converting to LED roadway lighting. The Model Specification for LED Roadway Luminaires is for cities, utilities, and other local agencies interested in saving money and energy by switching from traditional lighting technologies to solid-state lighting (SSL), which uses LEDs instead of filaments or gases.
Ranking among the biggest fixed costs for cities, streetlights are on all night long, 365 days a year. The estimated 35 million streetlights in the U.S. consume as much electricity each year as 3.9 million households, and generate greenhouse gas emissions equal to that produced by 8 million cars.
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