Mary Ann Piette on feedback between building design and operations

Mary Ann Piette is the Interim Associate Lab Director of the Energy Technologies Area at Lawrence Berkeley National Laboratory. She manages a research enterprise comprised of 700 staff and affiliates, including 120 principal investigators working across a broad set of technology R&D programs to accelerate decarbonization ranging from demand-side energy efficiency and grid integration to hydrogen technologies, energy storage, and renewable energy systems. We had a terrific time talking to Mary Ann about her mechanical engineering background and how she thinks about buildings, energy, comfort, and grids. She’s focused on four pillars of decarbonization: energy efficiency, electrification, grid integration, and distributed energy resources.She wrote a chapter for a new book, Women in Renewable Energy (by Katherine T. Wang and Jill S. Tietjen (Springer, 2023) about using building loads dynamically for low-carbon energy systems. “When we change our electricity system to be based on wind and solar, we need to integrate with demand side systems,” she says. “Grid-scale storage is important, but flexible demand can be much more cost effective.” And she points out that this is part of a significant gap in current built environment conditions. “If we are are going to accelerate progress, we need to understand and utilize the feedback between design and operations.”