Mary Ann Piette

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About

Dr. Mary Ann Piette is a leading authority in building energy efficiency, intelligent building controls, and demand response technologies. Her pioneering work has fundamentally shaped how buildings interact with the electric grid, focusing on reducing energy consumption without compromising occupant comfort. With over 18,000 citations, her research on "grid-interactive efficient buildings" has been instrumental in developing algorithms and control strategies that enable commercial buildings to provide flexible load capacity to the grid. Notably, her contributions to the Auto-DR (Automated Demand Response) framework have been adopted by utilities and grid operators worldwide, demonstrating a practical pathway to decarbonizing the built environment. As the Director of the Building Technology and Urban Systems Division at Lawrence Berkeley National Laboratory, Dr. Piette’s work bridges the gap between cutting-edge research and real-world implementation, earning her recognition as a Fellow of the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE). Her legacy lies in transforming buildings from passive energy consumers into active, intelligent participants in a sustainable energy future.