MACHIAS, Maine — The Washington County commissioners unanimously threw their support behind a new project by First Wind, the state’s largest wind power developer, to expand its Stetson Mountain project to Bowers Mountain. First Wind is proposing a 700-acre, 26-turbine wind farm about eight miles south of the Stetson Mountain project. The new area will straddle the Washington and Penobscot county border and is just north of Pleasant Lake in Kossuth Township. First Wind will submit a permit for the . . .