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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The Howard Hughes Corporation upgraded the lighting for the parking structure at the Ward Centers in Honolulu, Hawaii. Currently, the Ward Centers is occupied by 130 national retailers, local shops and restaurants in five shopping districts. The Ward Centers parking structure is seven stories high, and encompasses nearly 300,000 square feet and houses over 800 parking spaces.
The parking structure is a 2014 Lighting Energy Efficiency in Parking (LEEP) Campaign Award winner for Best Use of Lighting Controls in a Single Facility as the new lighting system uses both LED and fluorescent fixtures along with various lighting controls. The Ward Centers was able to achieve 75% in energy savings.
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.
Over the course of 5 years, NREL worked with commercial building owners and their design teams in the DOE Commercial Building Partnerships (CBP) to cut energy consumption by 50% in new construction (versus code) and by 30% in existing building pilot projects (versus code or pre-retrofit operational energy use depending on the preference of the Partner) using strategies that could be replicated across their building portfolios. A number of different building types were addressed, including supermarket, retail merchandise, combination big box (general merchandise and food sales), high rise office space, and warehouse. The projects began in pre-design and included a year of measurement data to evaluate performance against design expectations. Focused attention was required throughout the entire process to achieve a design with the potential to hit the energy performance target and to operate the resulting building to reach this potential. This paper will report quantitative results and cover both the technical and the human sides of CBP, including the elements that were required to succeed and where stumbling blocks were encountered. It will also address the impact of energy performance goals and intensive energy modeling on the design process innovations and best practices.
The Recreation Center Efficiency Solutions Package aims to support municipalities nationwide with selecting efficiency improvements to reduce energy and water use at existing recreation centers by at least 20%. This toolkit is a product of a collaboration between the City of Atlanta and Southface Energy Institute. This package intends to inform local municipalities on how to approach conserving energy and water, and implementing institutional efficiency policies across a portfolio of recreation centers.
Retail buildings in the U.S. are second only to office buildings in total energy consumption and represent approximately 13% of energy use in commercial buildings nationwide. The Advanced Energy Retrofit Guide for Retail Buildings presents general project planning guidance as well as more detailed descriptions and financial payback metrics for the most important and relevant energy efficiency measures to provide a practical roadmap for effectively planning and implementing performance improvements in existing buildings. This guide is primarily designed for facility managers and energy managers of existing retail buildings of all sizes.
The Advanced Energy Retrofit Guide for Grocery Stores was created to help grocery store decision makers plan, design, and implement energy improvement projects in their facilities. It was designed with energy managers in mind, and presents practical guidance for kick-starting the process and maintaining momentum throughout the project life cycle.
It is still early in the collection and analysis of energy performance data, but it is already clear that high-performance commercial buildings—some "almost net-zero buildings"—can be constructed cost effectively, providing productive environments for occupants, reducing operating costs, and enhancing the competitiveness of commercial properties.
This paper describes how net-zero energy buildings will produce, during a typical year, enough renewable energy to offset the energy they consume from the grid.
This conference paper discusses four well-documented definitions of net-zero energy: net-zero site energy, net-zero source energy, net-zero energy costs, and net-zero energy emissions, along with pluses and minuses of each.