In this video, Paul Torcellini, principal group manager for Commercial Buildings Research at the National Renewable Energy Laboratory, discusses the importance of design and planning in creating more energy-efficient buildings.
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The goal of the study was to determine the extent to which empirical evidence gathered via existing studies demonstrates that efficiency contributes to better financial performance.
Over 50 relevant studies from the market were reviewed and compiled into this summary.
While this review originally sought to cover all research on energy efficiency and financial performance, the final product focuses on “green labeled” buildings. The majority of research to date uses LEED or ENERGY STAR certifications as the means of distinguishing between efficient or sustainable buildings and conventional buildings. Specific energy efficiency measures, while proven to result in energy cost savings, have not yet been extensively evaluated for broader impacts.
This study does not represent new analysis conducted by DOE. It is a comprehensive survey and summary of the current body of research on the impacts of green labels on key components of commercial buildings’ operating statements. It does not exclude any studies or evaluate the quality of analysis.
Locust Trace AgriScience Farm is a career and technical high school near Lexington, Kentucky with energy and environment being key factors in the facility design and agriculture being the educational focus. Locust Trace features spacious classrooms with adjoining labs, 6.5 acres for gardening, a state-of-the-art greenhouse with an aquaculture area for raising fish, a soaring auditorium with a garage door for bringing in livestock and machinery, an expansive equine barn and arena and an on-site veterinary clinic.
"When designers of the first net zero energy school in the U.S. considered how they would approach the lighting design differently using today’s LED technology, the results extended far beyond just switching out the lightbulbs. The hypothetical redesign of Richardsville (Ky.) Elementary classrooms involves rethinking the daylighting design based on the evolution of LED lighting and the cheaper cost of photovoltaics (PV)."
Richardsville Elementary School is the first full-scale zero energy K-12 school in the United States. The school building, located in Kentucky's Warren County Public School District, uses many innovative strategies to conserve energy including dedicated outdoor air systems (DOAS) with dynamic reset, insulated concrete form (ICF) wall construction, daylighting, and ground source heat pumps, among others. The school has both thin film and crystalline silicon photovoltaic panels.
A detailed two page case study on the Zero Energy Ready Turkey Foot Middle School.
"Turkey Foot is revolutionizing the way kids learn, all within a new building that uses half the energy of the previous school despite being twice the size. Turkey Foot leveraged the practices and experience on other high performance goals in the District."
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.