Andrew E. Huemmler

Senior Lecturer
Chemical and Biomolecular Engineering (CBE)


Program: Energy and Sustainability Minor

Expertise:  Energy systems, climate policy, and electricity markets

Dr. Huemmler worked for Exelon and its predecessor, PECO Energy, for 20 years. He started his career at PECO as an energy conservation analyst and finished at Exelon's Power Team as a senior power transactor buying and selling electricity in wholesale power markets. He was a member of the New England Power Pool's Transmission Operations Committee and participated in the rulemaking process which created electricity markets in the northeast U.S. Prior to joining PECO Energy, Andy worked in the City of Philadelphia's Energy Office during Mayor William J. Green III’s administration. He authored an Energy Emergency Operations Plan for the City of Philadelphia and implemented the City's first neighborhood-based energy education program. Early in his career, Andy worked for a small hydropower developer and the Philadelphia Water Department, was elected to the Board of Directors of the Queen Village Neighbors Association for eight years and served as a Democratic committeeman in Philadelphia’s 2nd Ward. Currently he is the President of the Board of Directors of the Energy Coordinating Agency of Philadelphia, the long-time leader in providing community-based energy efficiency services and assistance to low-income families.


1995 Ph.D., Social Systems Sciences, Wharton School, University of Pennsylvania
1977 Master’s of City Planning, School of Design, University of Pennsylvania
1975 Bachelor of Applied Science, School of Engineering & Applied Science, University of Pennsylvania

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