Critics, including the U.S. EPA, say alternatives such as burying all or part of the line have not been fully explored.
A new alliance seeks to collect and share information on the relationships between fisheries and wind development.
The proposal includes about $80 million for heat pumps, energy efficiency, and electric vehicle infrastructure.
The three northern New England states spend $8.2 billion annually on imported fossil fuels.
The Massachusetts Supreme Judicial Court unanimously affirmed the state’s authority to regulate greenhouse gas emissions from power plants.