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.
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With more than 40,000 parking spaces to light Cox Enterprises, owner of Manheim Pennsylvania Auto Auction, the world’s largest auto auction carries a sizable electric load. The lot achieved 50% outdoor lighting energy savings through a retrofit of outdoor lighting—totaling 1.8 million kWh in annual savings over the 13.5 million square foot facility.
Cox’s Lighting in Energy Efficiency in Parking (LEEP) Campaign Award winning project retrofitted high-wattage metal halide fixtures with reduced- wattage pulse-start metal halide lamps and a wireless control system. The controls enable further energy savings by allowing fixtures to be turned off when not needed. In addition to the energy savings, the longer rated life of the new lamps also reduces maintenance costs. The significant energy saving from the new fixtures and lighting controls resulted in a simple payback period of less than 4 years.
JCPenney saved over 47 million kWh and $5 million with variable frequency drive retrofits of rooftop units across 131 stores. The case study describes the decision process and results of this successful program.