Penalties proved costly for the Elmira Sugar Kings at the Woolwich Memorial Centre Sunday.
Waterloo scored three times on seven power-play opportunities to defeat Elmira 6-4 and send the Sugar Kings to their second straight loss.
Elmira’s power-play countered with a pair of goals, but also coughed up two shorthanded markers.
Waterloo had jumped out to an early 2-0 lead, before Elmira’s Brandon Stewart (assisted by Harding) scored a late first-period goal to narrow the gap.
After the Siskins went ahead 3-1 early in the second period, power-play markers by Jake Weidner (Mitch Wright, Clayton Greer) and Matt Harding (Wright, Greer) mid-way through the period to tied the game.
But Waterloo restored its two-goal lead with their second and third power-play goals of the night before the period expired.
Mid-way through the third period, Elmira’s Matt Schiek (Cass Frey, Greer) brought the homeside to within a goal. Waterloo sealed the victory with an empty-net goal with 36 seconds to play.
Waterloo goal scorers were Jimmy Soper (2), Matthew Mah, Stephen Witiuk, Adam Campagnalo and Ryan Doucette.
Elmira, which received a 24-save effort from goaltender Hayden Neuman, out shot Waterloo 44-30.
Elmira returns to action on Sunday at the Woolwich Memorial Centre against the Guelph Hurricanes. Game time is 7 p.m.