Ms Neilson said she expected to open for the All Blacks games, finals, and others she deemed to be popular, like Sunday's 8am clash between England and Wales.
"There's quite a few people who haven't known we're open. Since [Saturday] we've had people asking and ringing us excited, to check we're open."
Kaiwaka's Three Furlongs Bar and Grill had opened for four matches so far and were also focusing on breakfast specials.
McMorrissey's and Rynoz in Whangarei, Tutukaka's Oceans Resort and Kerikeri's Rocksalt Bar and Restaurant also indicated they would open for future matches.
Northpower's Steve Macmillan said the company was yet to notice an upward swing in middle-of-the-night power use as people got up to support their team.
"There's been no sudden change in the load curves but we'll keep watch. I know I was up following the game." he said.
The Sale and Supply of Alcohol Rugby World Cup 2015 Extended Trading Hours Amendment Bill was rushed through Parliament in August, allowing bars with clean licences to open for the games provided they notify police.