A 1 million-bpd pipeline from Bruderheim, Alta., to a planned marine terminal at Delta, B.C., carries an estimated cost of $35.2-43.7 billion — and Prime Minister Mark Carney says oilsands producers have both the incentive and the balance sheets to fill it.

Speaking Thursday in Fort McMurray, Alta., Carney framed the proposed Pacific Link pipeline — designated Canada's first project of national interest — as a commercial proposition for producers, not a government-mandated one.

"These are commercial decisions that the companies will make," he told a news conference.

What makes the economics work?

Carney estimated the line would deliver a $6-billion annual boost to industry by narrowing the discount on Alberta heavy crude against light, globally traded grades, opening access to Asian buyers. He called Pacific Link a "tremendous opportunity" for producers given that additional market access.

The federal cabinet's explanatory note accompanying the national-interest designation said producers can fund "a significant share" of the production growth needed to fill the line, and that Asia-Pacific demand is expected to be "resilient."

"Markets such as China, India, South Korea, and Japan continue to seek reliable heavy crude supplies. Interest from potential buyers and support from government partners also suggest meaningful demand exists," the note said.

Who owns the project?

The Alberta government submitted the pipeline application in July to the major projects office, which Ottawa established last year to accelerate infrastructure deemed in the national interest. Ownership splits three ways:

• Alberta and federal governments each hold 45% — an even split of 90% of the project
• Pembina Pipeline Corp. (TSX:PPL) holds the remaining 10%

What conditions remain?

Two structural pieces must align. First, long-term shipper commitments: the project partners plan an "open season" in the spring — the formal process to solicit binding bids from customers and allocate capacity.

Second, carbon infrastructure. Carney noted the five biggest oilsands producers are together planning the Pathways carbon storage project in Alberta, which he described as a condition for the pipeline moving forward — and vice versa.

How much production growth is realistic?

Lance Mortlock, managing partner at EY Canada, described a "chicken and egg" dynamic: producers have shied away from big-ticket investments partly because pipeline capacity was short, while new pipelines need production growth to fill them.

He expects renewed capital spending, but not a return to the last decade's mega mines.

"Do I think that we're going to see the mega mines that we saw 10 years ago? Probably not. But do I think that we're going to see 150,000, 200,000-barrel-a-day in situ expansion? Yeah, for sure," Mortlock said.

He added that oilsands companies are now working through what assets to develop, at what size, and in what sequence.

Andrew Botterill, who leads Deloitte Canada's oil, gas and chemicals practice, said Ottawa's moves — a streamlined regulatory review Carney described as "doing the work once and getting to the right answer on time," plus expanded business tax incentives allowing faster cost recovery — have cleared away broad uncertainty. The remaining questions sit with regulators and project execution.

"Now it's going to be down to our actual regulators at hand to make sure that we build the best project we can, the safest project we can," Botterill said.

Where does the opposition stand?

Environmental groups challenged both the climate case and the financial one. Environmental Defence called the project "a reckless waste of Canadians' money."

"Even with a rushed rubber-stamp review, this pipeline could not be in service until well beyond the peak of global oil demand. No new buyers will emerge for more Canadian oil," said Emilia Belliveau, the group's energy transition program manager.

Stand.earth labelled it "the money pit pipeline." The Pembina Institute — which has no affiliation with Pembina Pipeline — called it "an expensive gamble on a single export product with a doubtful future."

"Canadians should closely examine why the private sector has refused to invest in this high-risk, high-cost project," said Janetta McKenzie, director of the institute's oil and gas program. "The weakening outlook for global oil demand has made the business case for this project impossible to sell to shareholders."

The watch item

The spring open season is the next hard test. Binding shipper bids — not government designations — will show whether producers will commit volumes to a line that needs a million barrels a day, and whether the Pathways CCS partnership keeps pace alongside it.