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When it comes to achieving significant sustainability gains, an international retail giant has unique opportunities to cut energy use. With a total of 4,500 sites, Walmart’s commitment to efficiency in parking lighting in new construction and retrofits is paying off in major savings.

As a result of its lighting upgrades Walmart received individual Lighting Energy Efficiency in Parking (LEEP) Campaign awards for a superstore, a neighborhood market and a Sam’s Club. Across 100 stores including both new and retrofitted sites, over 40 million square feet in surfaces for parking and over 100,000 parking spaces, Walmart is saving over 15 million kWh each year as a result of lighting upgrades.

Kimco Realty Corporation’s large facility portfolio could be considered quite challenging to some organizations trying to reduce energy savings, but Kimco was able to provide upgrades to 160 sites across 25 states over 2 years. The 50-year old real estate investment trust based in New Hyde Park, New York was a 2014 Lighting Energy Efficiency in Parking (LEEP) Campaign winner for Largest Absolute Number of Facility Upgrades. Kimco has reduced their lighting energy usage primarily through the use of lighting controls for their parking lots representing approximately 51
million square feet of parking area. Kimco, which owns and operates over 800 shopping centers in North and South America, can add their LEEP accomplishments to their 2013 National Association of Real Estate Investment Trusts (NAREIT) award for leadership in sustainability and energy efficiency.

Regency Centers is a national owner, operator, and developer of neighborhood and community shopping centers with over 300 properties throughout the United States. Regency Centers recently upgraded the parking lot lighting at Rona Plaza in Santa Ana, California. Rona Plaza is a grocery-anchored shopping center with 52,000 square-feet of gross lettable area and 250 parking spaces across 77,000 square feet of parking area. Regency Centers retrofitted the existing parking lot and exterior wall mounted fixtures, which were high-intensity discharge (HID) fixtures, with high efficiency LED fixtures coupled with a wireless dimming system. The retrofit resulted in energy savings of nearly 88% compared to pre-existing conditions and was recognized by the Lighting Energy Efficiency in Parking (LEEP) Campaign with the Highest Percentage Energy Savings in a Retrofit at a Single Parking Area award.

This demonstration is one in a series of advanced lighting demonstration projects completed through a joint initiative between the DesignLights Consortium and the U.S. Department of Energy. Two Roads Brewing Company located in Stratford, Connecticut modernized their lighting system with LEDs and intelligent controls by Digital Lumens to capture energy savings and convenience. The Digital Lumens Intelligent LED Lighting System incorporates lighting fixtures with embedded intelligence that includes occupancy and daylight sensing controls integrated or pre-installed in the new light fixtures. Replacement of fluorescents fixtures with LEDs alone saved over 50% of the estimated total lighting energy use at this site. Occupancy sensing controls and daylighting controls led total savings of 66%.

This demonstration is one in a series of advanced lighting demonstration projects completed through a joint initiative between the DesignLights Consortium and the U.S. Department of Energy.

The medical office facility located in Avon, Connecticut houses multiple healthcare providers in three stories of mixed-use space. The building owner chose the recently completed LED lighting and controls retrofit to harvest extra savings and to improve lighting quality and controls. The Cree SmartCast® technology, applied at the luminaire level, incorporates wireless controls which support one-for-one replacement. The new lighting system provides wireless communication with advanced sensor options that allow for customization of light levels to meet application and occupant needs. The replacement of older fluorescents with LEDs alone saved over 29% of the estimated annual lighting energy use at this site. Note that a significant portion of this is attributable to the reduction in light levels, correcting previously overlit areas in the building. With advanced occupancy sensing and daylighting controls, energy savings increased by an additional 33% for a total of 62% savings from baseline conditions.