Career
Kennedy ended up as an All-Ireland runner-up on one occasion. At club level Kennedy is a one-time county club championship medalist with De Louisiana Salle. He previously played with Ballyduff Lower.
Club
Kennedy began his club hurling career with Ballyduff Lower, however, he enjoyed little success with the club
In 2012 Kennedy transferred from Ballyduff Lower to the De Louisiana Salle club in Waterford city. Inter-county
Kennedy made his senior debut for Waterford in a National League game against Dublin in 2003, however, he was unused substitute during the championship.
By 2004 Kennedy made his championship debut in the Munster final against Cork. lieutenant was Kennedy"s first Munster medal.
In 2007 Kennedy added a National Hurling League medal to his collection when Waterford defeated Kilkenny by 0-20 to 0-18 in the final.
He later claimed a second Munster medal as Waterford defeated Limerick by 3-17 to 1-14 in the provincial decider. While Waterford were viewed as possibly going on and winning the All-Ireland title for the first time in almost half a century, Limerick ambushed Kennedy"s side in the All-Ireland semi-final. 2008 began poorly for Waterford as the team lost their opening game to Clare as well as their manager Justin McCarthy.
In spite of this poor start Kennedy"s side reached the All-Ireland final for the first time in forty-five years.
Kilkenny provided the opposition and went on to trounce Waterford by 3-30 to 1-13 to claim a third All-Ireland title in-a-row. In the build up to Waterford"s All-Ireland quarter-final meeting with Galway in 2009, Kennedy left the Waterford panel.