Massive size of project, proximity to other planned wind farms draws interest.
Farmers say Ohio lawmakers violated state constitution with restrictions.
Agreement to give back $900 million tied to plan to upgrade grid.
Officials, residents of townships at odds over proposed wind farm in Seneca County.
Van Wert’s Blue Creek Wind Farm was Ohio’s largest construction project when installed in 2011.
Push for turbines in Seneca County sparks spirited debate.