Cheryl LaFleur and FERC Commissioner Allison Clements spoke at the annual joint event between CPES and New England Women in Energy and the Environment.

Reaching the goal of 24/7 carbon-free power will require a dramatic increase in storage to fill gaps in renewable output, large energy users say.

Officials from Massachusetts, New Jersey and New York spoke about how much offshore wind power might be needed to achieve their states' clean energy goals.