The Amaranth Wind Farm, also known as the Melancthon EcoPower Centre, is a 199.5 megawatt (MW) wind farm in Amaranth and Melancthon Township, near Shelburne, Ontario. The centre, Canada's largest wind energy installation, is owned and operated by TransAlta.Construction of the Melancthon EcoPower Centre began with the 67.5 MW Phase I in 2005 and achieved commercial operation in March 2006.