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The match between the Power and the Demons was originally scheduled to be played at AAMI Stadium, but plans to switch the game to Adelaide Oval were tabled in June.
The costs and logistics associated with moving a game from the current home of AFL in South Australia to the iconic ground prevented Adelaide from also shifting one of its matches.
Instead, the Crows are in negotiations to play a NAB Cup game at Adelaide Oval prior to the start of major works at the ground in March next year.
Last weekend, there was speculation the Port Adelaide-Melbourne game could be moved back to AAMI Stadium amid concerns of a cost blowout.
On Thursday, Whicker suggested the match would need to attract a crowd of approximately 30,000 to "satisfy" the SANFL and Port Adelaide.
The Power have attracted more than 30,000 people to a home game only once this season - the Showdown with Adelaide in round four - but Whicker said he was confident the match at Adelaide Oval would generate additional interest.
"The SANFL has taken responsibility together with Port Adelaide to ensure the game [at Adelaide Oval] is financially sustainable," he said.
"Our numbers are based on about 30,000 people and if we can achieve that figure we will be more than satisfied.
"The main aim is to get the people to celebrate the event and we don't see why setting a target of 30,000 would not be achievable."
Although the match will be played at Adelaide Oval in its current state, Whicker said spectators would get a glimpse of what football at the venue would be like after the state-of-the-art redevelopment.
"The journey has to start somewhere, and we can think of no better way, being the last event [in SA] on the AFL calendar, than to have this as a symbolic starting of the journey of AFL football to Adelaide Oval," he said.
"In three years time, we're very confident that the experience here at this new stadium will be second-to none in Australia."
Whicker stood side-by-side with Power president Brett Duncanson at Adelaide Oval, only days after speculation surfaced the SA Football Commission wouldn't support Duncanson in his bid for re-election in October.
Whicker refused to endorse Duncanson on Thursday, only saying the commission had already made its position not to interfere with the re-election process clear.
Port Adelaide has more pressing issues, none more so than the clash with the Western Bulldogs at AAMI Stadium on Sunday.
The Power are under pressure to respond after conceding record defeats in consecutive weeks, but skipper Dom Cassisi said his team would be wary of the Dogs, who are likely to react to the departure of long-serving coach Rodney Eade.
"I think the Doggies would've been fired up whether Rodney moved on or not," Cassisi said.
"They lost by 50 points last weekend. They're a proud club and it shouldn't take a coach to leave to fire you up for a football game.
"They'll come out firing. We understand that and we need to turn around our form of the last fortnight."
Cassisi also said the players were "genuinely excited" about the impending clash with the Demons at Adelaide Oval.
"We understand the history of our club, and how important this ground is to the club," he said.
"For the guys, who get to make great history on that day [in round 24] and play the first game of AFL here, it's going to be really exciting."
Katrina Gill covers Adelaide news for afl.com.au. Follow her on Twitter: @AFL_KatrinaGill