The Maine House of Representatives voted Tuesday to protect sand dunes on Sears Island where the Mills administration has proposed to build an offshore wind terminal.
In an 80-65 vote, the House rejected legislation that would have authorized the Department of Environmental Protection to grant a permit to build the terminal on an area of Sears Island that includes a coastal sand dune system.
If the legislation fails, it is unclear how severely the decision would delay the buildout of a wind port in Maine, where turbines and other components would be assembled and then shipped to the Gulf of Maine. The project involves lengthy state and federal permitting processes after a site is selected.
The legislation, which is narrowly crafted to reference the sand dunes, would allow the DEP to act only after all laws and agency rules also permit construction.
The sand dune area is about four-tenths of an acre, according to the bill, which now …