Ottawa, ON (Sports Network) - Jay Harrison's tally with 2:41 remaining in overtime lifted Carolina over Ottawa, 3-2, at Scotiabank Place.
Chad LaRose and Alexander Semin also scored for the Hurricanes, winners in three of their last four games.
Cam Ward stopped a season-high 45 shots to even his record at 3-3-0.
Daniel Alfredsson and Erik Karlsson lit the lamp for the Senators, who have lost three of four.
Craig Anderson made 23 saves in defeat, the third in his last four starts.