Duncan is situated in the north east of Langgadlie, Glenkindie, Alford, Aberdeenshire. FRE plc secured planning permissions for one wind turbine. The project obtained pre-accreditation under the OFGEM Preliminary FIT Pre-Accreditation Scheme and was allocated a 2015 tariff at a rate of 12.19p/kWh. The average wind speed for each turbine is 8.2m/s and each machine is producing circa 781,020 kWh per year allowing for an estimated output of 830,000 kWh per year for the site. The site has been generating a total income of £133,554 per year since it was erected in 2015 and the land is in single ownership secured by a 25-year lease agreement with the option to extend.