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Boston, Massachusetts has a rich history, having played a pivotal role in the birth of the United States. While deeply proud of its past, the city also strives to be forward-thinking. Environmental initiatives like Greenovate Boston are at the top of its list. Greenovate Boston is a community-driven movement to get all Bostonians involved in reducing the city’s greenhouse gas emissions by 25 percent by 2020 and 80 percent by 2050. For example, residents and visitors can rent bicycles throughout the city, rather than taking a taxi or using their own motor vehicles, thereby reducing the amount of carbon dioxide they contribute to the environment. Initiatives like these are making a difference and helping to get Boston noticed. In September 2013, the American Council for an Energy-Efficient Economy (ACEEE) released the 2013 City Energy Efficiency Scorecard, a report that ranks 34 of the most populous U.S. cities on policies to advance energy efficiency. Boston was rated number one in doing the most to save energy. While ironic that a city made infamous by littering the harbor with tea to help spark a revolution is making headlines with its green campaigns, it is definitely something the residents are equally passionate about. One of the city’s innovative, energy-saving efforts is an upgrade to LED lighting. A wide variety of tenants, including biomedical manufacturers, beer brewers, curtain makers and computer manufacturers, use the Boston Marine Industrial Park (BMIP) parking facility owned and operated by the Economic Development and Industrial Corporation (EDIC), part of the Boston Redevelopment Authority, the city’s planning and economic development agency. It was important for the EDIC to provide the tenants with a well-lit environment that made them feel safe at night. The EDIC used 150-watt high pressure sodium (HPS) luminaires throughout the garage, which were causing issues. The older HPS fixtures used a significant amount of energy resulting in high electricity bills, emitted a less appealing yellow light and suffered from burnouts at a high replacement rate, which increased maintenance costs.
After an extensive review of several LED solutions on the market, the EDIC chose the OSRAM PermaLED™ Low Profile LED Canopy Luminaire because of its high efficacy. SYLVANIA Lighting Services (SLS), an industry leader in turnkey energy management solutions, audited the project and oversaw the installation. Each of the existing 450 HPS fixtures were replaced with the new 55-watt LED luminaire, not only helping the city save money and energy but also providing bright white light that improved lighting uniformity. Unlike the yellow light from the HPS lamps, the vastly improved color rendering index of the LED luminaires can facilitate quick vehicle identification and increase pedestrian visibility, enhancing safety and feelings of comfort in garage facilities.
Offered in 40 and 55-watts, PermaLED Low Profile LED Canopy Luminaires are energy-saving LED alternatives to traditional HID luminaires up to 175-watts, leading to energy reductions of up to 74 percent. The nominal 2.4” height of these extremely durable luminaires is less obtrusive, making them ideal for canopy entryways, parking garages and stairwells. The LED system has a life rating of 100,000 hours (L86) and luminaire efficacy up to 113 lumens per watt. The PermaLED Low Profile Canopy Luminaire has an optical chamber that is IP65-rated and meets IEEE 62.41-2002 category C transient line protection requirements. An option is also available with integrated controls to enable additional energy savings, which is IP66-rated for wet location applications. The luminaires provide up to 10kV surge protection for effective suppression of most transient AC line surges, are ETL listed in the United States and Canada and DesignLights Consortium (DLC) qualified to meet most utility incentive programs, and are backed by a 5-year system warranty.
THE BOTTOM LINE
As a result of upgrading the lighting at the BMIP parking facility to PermaLED Low Profile LED Canopy Luminaires from OSRAM, the EDIC anticipates an annual saving of 473,040 kWh, translating into $70,956 in energy savings and avoidance of 530,070 pounds of CO2 emissions from electricity plants. In addition, because of the long-life of the luminaires, the agency also expects to save approximately $15,300 in maintenance costs per year.
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