sentences:  In 2012 Penallta returned to the Millennium Stadium and won the Swalec Plate against North Wales side Nant Conwy.Captain Kieran Mahoney lifted the trophy to cap a season during which Penallta embarked on an 18-match unbeaten run, narrowly finishing runner-up to rivals Ystrad Rhondda in the league.To complete a hat-trick of successful Millennium Stadium visits since the turn of the century, Penallta Youth won the Welsh Youth Cup in 2014 against Gilfach Goch.