Top utility commissioners from four New England states emphasized the need for regulatory innovation to preserve affordability amid the clean energy transition at the New England Energy Conference and Exposition.

Battery storage remains largely reliant on state programs and subsidies to be viable in Massachusetts but could increasingly stand on its own as renewable energy proliferates, a panel of energy storage experts said.

The Massachusetts Department of Public Utilities approved agreements between Constellation Energy and the state’s investor-owned gas utilities to keep the Everett LNG import facility operating through May 2030.

In Boston and throughout the broader region, climate-fueled extreme weather events are already putting stress on essential energy infrastructure.

Proposed supply agreements between Constellation and Massachusetts gas utilities which would keep the Everett Marine Terminal operating through 2030 are facing pushback from environmental organizations and the Attorney General’s Office.

An event by Advanced Energy United drew connections between the infrastructure needs of the clean energy transition and Boston’s Big Dig highway project.

Transmission limits remain a major barrier to scaling up wind and solar energy to meet state decarbonization goals, speakers at the NECA’s Renewable Energy Conference said.

ISO-NE enters 2024 with several major projects underway and is grappling with the sweeping changes and long-term uncertainty brought by the clean energy transition.

FERC Commissioner Allison Clements said addressing transmission planning issues will be a key component of cutting down interconnection backlogs.