Leading throughout the game the Giants took the Power down to the wire, winning 8.8 (56) to 7.13 (55).
The slugfest saw the Power staying close with the Jeremys – Cameron and Finlayson – each scoring three goals.
The Giants will now be hoping they can continue their winning form against cross-town rivals Sydney Swan when they play at Giants Stadium this Saturday.
Giants hang on to snare Power
HOLDING on to win a one-point thriller, the Greater Western Sydney Giants bested a persistent Port Adelaide at Adelaide Oval on Saturday night.