Energy Impact Partners (EIP)
Chief Impact Officer
Peter Fox-Penner Chief Impact Officer Peter Fox-Penner is Partner and the Chief Impact Officer of Energy Impact Partners. In this capacity he directs all ESG and impact measurement and reporting, works with EIP’s portfolio companies to improve their ESG performance, and collaborates with EIP’s limited partners to accelerate their clean energy transitions. As a member of EIP’s founding team, he originally served as Chief Strategy Officer. He is also a founding member of the steering committee of Project Frame, a coalition of leading PE firms developing impact reporting guidelines, and co-founder and senior fellow of the Boston University IMAP program, a collaboration between industry and academia to improve ESG metrics. Prior to EIP, Peter served for over two decades as Principal and Chairman of The Brattle Group, a leading energy consultancy, as a Professor at the BU Questrom School of Business, and as founder and director of the Boston University Institute for Sustainable Energy. He also previously served as a Senior Advisor in the White House Office of Science and Technology Policy and as Principal Deputy Assistant Secretary in the Office of Energy Efficiency and Renewable Energy at the U.S. Department of Energy. He has served on the boards and advisory boards of numerous companies, including EOS Energy Storage (EOSE), Gridpoint, the Global Energy Group (GHG), and Lighting Retrofit, Inc (now Envocore). Peter now serves on the global leadership council of the World Resources Institute and on the advisory boards of Mobility Impact Partners and the National Regulatory Research Institute’s Training Initiative. He is also affiliated with the Energy Futures Initiative and an invited participant in the World Economic Forum’s Chief Strategy Officer energy group. Peter is a frequent speaker and guest lecturer on clean energy and ESG topics and the author of numerous published articles and books, including the highly acclaimed Smart Power: Climate Change, the Smart Grid, and the Future of Electric Utilities (Island Press, 2010) and its sequel Power After Carbon: Building a Clean, Resilient Grid (Harvard University Press, 2020). His research has been widely cited, including in one Supreme Court decision. Peter holds degrees in Electrical Engineering (BA, 1976) and Mechanical Engineering (MS, 1978) and a Ph.D from the University of Chicago Booth School of Business (1987).