This website provides guidance on metrics and benchmarks that can be used to identify potential efficiency opportunities in laboratories, data centers and cleanrooms. These "high-tech" buildings are very energy intensive have efficiency opportunities that are not typically found in other commercial buildings.
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The purpose of this handbook is to furnish guidance for planning and conducting a highperformance building charrette, sometimes called a "greening charrette." The handbook answers typical questions such as, "What is a charrette?", "Why conduct a charrette?", "What topics should we cover?", "Whom should we invite?" and "What happens after the charrette?". Owners, design team leaders, site planners, state energy office staff, and others who believe a charrette will benefit their projects will find the handbook helpful.
This paper illustrates the challenges of integrating rigorous daylight and electric lighting simulation data with whole-building energy models, and defends the need for such integration in order to achieve aggressive energy savings in building designs. Through a case study example, we examine the ways daylighting – and daylighting simulation – drove the design of a large net-zero energy project.
This report documents outcomes of the effort to rebuild Greensburg, Kansas, a town devastated by tornado damage in 2007. Key strategies include a sustainable comprehensive master plan, an ordinance specifying LEED Platinum ratings and 42% energy savings for city-owned buildings, focus on integrated design processes, and linkage of renewable and energy efficiency technologies with business development.
This paper presents a method for harnessing a discrete optimization algorithm to obtain significantly different, economically viable building designs that satisfy an energy efficiency goal. The method is demonstrated using NREL’s first-generation building analysis platform, Opt E-Plus, and two example problems. We discuss the information content of the results, and the computational effort required by the algorithm.
This fact sheet published by the National Renewable Energy Laboratory discusses the lab's newest building, the Research Support Facility (RSF). The RSF is a showcase for ultra-efficient workplaces. Various renewable energy and energy efficiency features have been employed so that the building achieves a Leadership in Energy and Environmental Design (LEED) Platinum rating from the U.S. Green Building Council.
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 issue highlights National Renewable Energy Laboratory's Research Support Facility and its foundations in energy efficiency.
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.