“In a way we are reliant on DOE. They are really vital to this project. It would be hard to replace that money,” Fishermen’s chief executive Chris Wissemann said on a conference call.

The five turbine array, which would be sited in state waters in the Atlantic Ocean 4.5km off Atlantic City, is one of seven offshore wind project awarded $4m each by DOE in 2012 under its Advanced Technology Demonstration Program.