Jeremy McDiarmid was appointed Chair on October 20, 2025, and first started as a Commissioner on September 29, 2025.
Prior to his appointment to the DPU, McDiarmid was the Managing Director and General Counsel for the national business association Advanced Energy United. During that time, McDiarmid served on Governor Healey’s Commission on Energy Infrastructure Siting and Permitting, led multiple efforts at the intersection of clean energy and affordability, and developed policies to support advanced transmission technologies in multiple states.
Previously, McDiarmid served as Vice President for Policy & Government Affairs at the Northeast Clean Energy Council, leading efforts to develop new interconnection policies and opening market opportunities for energy companies.
McDiarmid also worked as a Senior Advisor at Acadia Center and as the Senior Director of Innovation and Industry Support at Massachusetts Clean Energy Center. Before that, McDiarmid was the Massachusetts Director at Acadia Center and worked at the Office of Consumer Affairs and Business Regulation. He is a graduate of Syracuse University and Boston College Law School.