Mary Ann Piette is a Senior Scientist and the Director of the Building Technology and Urban Systems Division in the Energy Technologies Area at Lawrence Berkeley National Laboratory. She oversees LBNL's building energy research activities with the U.S. Department of Energy, and she is also the Director of the Demand Response Research Center. Mary Ann's work involves developing and evaluating new technology and building components, windows, controls, operations, simulation, whole building and electric load shape analysis and behavior. Her Division also conducts research in data center energy efficiency, industrial energy efficiency, and federal energy management. Mary Ann has authored over 90 peer reviewed publications related to energy efficiency and demand response and has worked at LBNL since 1983. She is a board member of the American Council for an Energy Efficient Economy and of the OpenADR Alliance. Mary Ann has an MS in Mechanical Engineering from UC Berkeley and a Licentiate in Building Services Engineering from the Chalmers University of Technology in Sweden.
Mary Ann Piette
Scientific Division Director
2025 California Demand Response Potential Study - Charting California's Demand Response Future: Final Report on Phase 2 Results
Automatic Generation and Simulation of Urban Building Energy Models Based on City Datasets for City-Scale Building Retrofit Analysis
Demand Response Potential for California SubLAPs and Local Capacity Planning Areas: An Addendum to the 2025 California Demand Response Potential Study - Phase 2
Optimizing Operational Efficiency: Integrating Energy Information Systems and Model-Based Diagnostics