The proposal includes about $80 million for heat pumps, energy efficiency, and electric vehicle infrastructure.
A bill advancing in the state Senate would create a group to study procurement of long-term renewable contracts.
The three northern New England states spend $8.2 billion annually on imported fossil fuels.
Gross metering charges solar customers for power they generate regardless whether it ever touches the grid.
The state’s capital city adopted a 100 percent renewable pledge last year and hopes that others will follow.