LED Streetlighting - Reduced Maintenance, Service, Energy and Disposal Costs

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Street Light Costs

Converting HPS, MH, mercury vapor, or incandescent street lights to LEDs incurs a capital cost, but this can be recouped over the lifetime of the lights. LEDs have an estimated lifetime five times longer than conventional HPS or MH lamps, and energy savings of 35% or more. These efficiencies mean that payback periods for LED street lights can currently be as low as 4.4 years (Ann Arbor, no date). Because the entire street luminaire (see below), not just the lamp, is typically replaced when converting conventional street lights to LED street lights, jurisdictions may reduce installation time and avoid warranty issues. More expensive LED street lighting systems include dimmers or motion sensors, but can dramatically decrease costs by reducing energy consumption and maintenance costs even further.