Mary Ann Piette is a Senior Scientist, Director of the Building Technology and Urban Systems Division and Senior Science Advisor to the Associate Lab Director of Energy Technologies Area at Lawrence Berkeley National Laboratory. She oversees LBNL's building energy research activities with the US Department of Energy and over 25 other R&D sponsors. She is also the Director of the Demand Response Research Center. Mary Ann's work involves developing and evaluating new technology and building components, controls, operations, simulation, whole building and electric load shape analysis and behavior. She is also lead researcher at LBNL on the automated demand response technology. Mary Ann has authored over 90 peer reviewed publications related to energy efficiency and demand response and has worked at LBNL since 1983. She has a MS in Mechanical Engineering from UC Berkeley and a Licentiate in Building Services Engineering from the Chalmers University of Technology in Sweden.
Researchers in the Building Technology & Urban Systems Division (BTUS) at Lawrence Berkeley National Laboratory develop data and technologies that increase energy efficiency and improve the health, safety and comfort of building occupants, in the United States and worldwide.
We work closely with industry partners, academics and government officials to achieve these goals, and share our research widely.
We are at the forefront of cutting-edge research that redefines building technology and explores all areas of urban systems.
We have been leaders for decades in developing energy-efficient windows, improving indoor air quality, coming up with new ideas to fix the nation's electricity grid, and so much more.
Visit our research areas at the right to find out more.
Tools & Guides
Explore our tools, guidebooks and software and download for free.
We offer a variety of technologies designed to simulate and model real-world circumstances to assist in energy-saving programs and help building owners build better buildings. These tools can help calculate performance of building systems like windows and shades, help consumers and builders pick the best windows for a variety of applications and much more.