The Seguwantivu and Vidatamunai Wind Farms are two legally separate wind farms built together by Seguwantivu Wind Power and Vidatamunai Wind Power on the south-east shore of the Puttalam Lagoon in Puttalam Sri Lanka.The Seguwantivu Wind Farm utilizes thirteen 800-kilowatt Gamesa AE-59 wind turbines while the Vidatamunai Wind Farm utilizes twelve wind turbines also of the same model thus totalling the installed capacity to 9.6MW and 10.4MW respectively.