A proposed new wind farm in central Sutherland has taken a step forward with an application being submitted to Scottish ministers. A montage image from Fred Olsen Renewables showing the proposed Invercassley wind farm in the distance from Ben More Assynt. A previously proposed battery energy storage system associated with the wind farm has also been removed completely from the plans, it confirmed. The Invercassley wind farm is a 144MW scheme which the company has calculated would be capable of generating enough electricity to power approximately 118,800 households annually. The approximate area of the proposed Invercassley wind farm north-west of Rosehall.