Power joined the Kilkenny senior hurling team during the 1985-86 league, however, a hand injury resulted in him leaving the team, linking up with the Kilkenny junior team and winning an All-Ireland Junior Championship medal in 1986. He re-joined the senior team shortly after and would go on to line out in three consecutive All-Ireland finals at senior level and, after defeat by Tipperary in 1991, claimed consecutive winners' medals against Cork in 1992 and Galway in 1993.
Power joined the Kilkenny senior hurling team during the 1985-86 league but an injury forced him to leave the team. He then joined the junior team and won an All-Ireland Junior Championship medal in 1986.  He rejoined the senior team shortly after and went on to play in three consecutive All-Ireland finals at senior level, winning against Cork in 1992 and Galway in 1993 after a loss to Tipperary in 1991.