ASU Parking Structures Receive LED Lighting Upgrade

Improving the light quality in a parking facility enables people to better identify pedestrians, other vehicles and obstructions, helping them feel safer.Improving the light quality in a parking facility enables people to better identify pedestrians, other vehicles and obstructions, helping them feel safer.

Arizona State University has retrofitted six parking structures on the Tempe campus with new LED fixtures.

Arizona State University has retrofitted six parking structures on the Tempe campus with new LED fixtures.

Arizona State University (ASU), Tempe, Ariz., has taken a step in its commitment to going green by retrofitting six parking structures on the Tempe campus with new light emitting-diode (LED) fixtures. Changing the existing fixtures to an LED low bay solution will afford ASU with an annual savings of up to $127,000 in energy and maintenance costs for the six structures that were retrofitted.

As part of a Phase II energy conservation and sustainability project throughout campus, ASU’s partner APS Energy Services replaced more than 2,000, 150-watt metal halide fixtures with Lighting Science Group’s 78 W LED low bay luminaires. By replacing existing metal halide fixtures and lamps, ASU will reduce its energy consumption by 1.5 million kW hours, which is equivalent to the annual greenhouse-gas emissions from 208 passenger vehicles.

Improving the light quality in a parking facility enables people to better identify pedestrians, other vehicles and obstructions, helping them feel safer.

Improving the light quality in a parking facility enables people to better identify pedestrians, other vehicles and obstructions, helping them feel safer.

For this environmentally conscious university of nearly 80,000 students, faculty and staff, the lighting replacement project offers a variety of benefits. Improving the light quality in a parking facility enables people to better identify pedestrians, other vehicles and obstructions, helping them feel safer. Lighting Science’s pyramid-shaped LED fixtures are made up of 108 light sources, whereby if one light source dims or fails, other light sources remain to provide a reliable level of illumination. The new fixtures are also less costly to maintain because they last 50,000 hours, or approximately three times longer than the typical metal halide fixture they replace.

Photos: Brett Drury

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