Board of Directors

Mary Powell

Chief Executive Officer

Ms. Powell has served as our Chief Executive Officer since August 2021 and as a member of our Board since February 2018. From 2008 to 2019, Ms. Powell served as the President and Chief Executive Officer of Green Mountain Power Corporation (“GMP”), an electric services company that serves 75 percent of the State of Vermont’s residential and business customers. At GMP, Ms. Powell successfully executed strategies to drive increased customer satisfaction and growth, delivered on an ambitious energy vision to provide low-carbon, low-cost and highly reliable power to Vermonters, and positioned the company as a leading energy transformation business. Ms. Powell’s previous roles at GMP include serving as Senior Vice President and Chief Operations Officer from 2001 to 2008, and as Senior Vice President of Customer and Organizational Development from 1999 to 2001. Ms. Powell is nationally recognized for her work disrupting the energy sector and has received numerous industry awards, including being named to the 2024 TIME100 Climate List of Most Influential Leaders In Climate, Forbes’ 50 Sustainability Leaders 2024 list, Utility Dive’s 2019 Utility Executive of the Year, Fast Company’s 100 Most Creative People and Fast 50 Leaders in America lists, and the prestigious Rachel Carson Award for environmental impact. Prior to joining GMP in 1998, Ms. Powell held executive roles within the banking industry, and served in state government. Ms. Powell currently serves on the board of directors of CGI Inc. (TSX: GIB.A, NYSE: GIB), a global IT and business consulting services firm and a member of the Board of Trustees of EDF Action, the advocacy partner of Environmental Defense Fund. From 2019 to 2021, Ms. Powell served on the board of Hawaiian Electric Industries Inc. (NYSE: HE), the largest utility in Hawaii, and from 2019 to 2023, on the board of Energir, one of the largest energy companies in Québec and the northeastern United States. She has also served on the boards of a number of other privately held companies and nonprofits. Ms. Powell also chaired the board of Climate Change Crisis Real Impact | Acquisition Corporation, a former special-purpose acquisition corporation that combined with EVgo Services (Nasdaq: EVGO), and enabled the fast charging network for electric vehicles to become a publicly listed company from 2020 to 2021. Ms. Powell holds an Associate’s degree from Keene State College.

Ms. Powell was selected to serve on our Board because of her extensive experience and deep knowledge of the energy and utility industry.

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