Areas of Expertise:

Judy Chang is an economist with a background in public policy. She has expertise in the analysis of electricity power markets and advises clients on the financial and regulatory issues relating to renewable energy investment and procurement decisions. She has authored numerous expert reports for clients and submitted expert testimony before the U.S. Federal Energy Regulatory Commission and state regulatory authorities regarding electricity market issues. Ms. Chang’s recent work includes evaluating the potential impact of integrating renewable energy onto power systems. Accordingly, she has designed and helped develop a model that estimates the operational impact of variable resources on a grid. In addition, Ms. Chang has been assisting developers to assess the risks associated with market dynamics including renewable energy credit markets and transmission access. In litigation settings, Ms. Chang has estimated damages resulting from project cancellations and contract disputes. In regulatory settings, she has analyzed market design issues related to capacity, energy, and ancillary services markets. She has led consultants and client teams in performing market power analyses for the purpose of market-based rate proposals and other rate/tariff design issues. She also applies her expertise in transmission system planning, particularly as it pertains to renewable energy development, congestion management, and transmission rate-making processes. She is also the founding director of the non-profit association New England Women in Energy and the Environment and currently serves on the board of the Massachusetts Clean Energy Center. She received her Master's in Public Policy from Harvard Kennedy School ad Bachelor of Science in Electrical Engineering from the University of California at Davis.