"Burradale Wind Farm Shetland Islands" REUK.co.uk. Retrieved April 2007. This record is claimed by Burradale windfarm located just a few miles outside Lerwick and operated by Shetland Aerogenerators Ltd. Since opening in 2000 with three Vestas V47 660 kW turbines, this wind farm has had an average capacity factor of 52% and, according to this report, in 2005 averaged a world record 57.9%.