McFadden Civils Ltd were engaged by Farrans Construction Ltd. working on behalf of Scottish Power Renewables, to carry out geotechnical design at Kilgallioch Wind Farm, south-west Scotland. Kilgallioch wind farm is located in and around the Kilgallioch and Purgatory Forests, south Ayrshire.

The project involved the construction of 65km of access road, the extraction of approximately 1.2 million tonnes of site won rock and gravel from 6 on site quarries and the placement of 45000mof reinforced concrete. The completed project is comprised of 96 Gamesa turbines with a capacity of 239 Megawatts. The installation of additional electrical infrastructure includes 400km of HV cabling. Related site activities included the construction of an 800m2 site compound and the felling of 410 hectares of forestry. The value of the project is £42 million.