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Canadian Energy Centre

Why Canadian oil is so important to the United States

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6 minute read

From the Canadian Energy Centre

By Deborah Jaremko

Complementary production in Canada and the U.S. boosts energy security

The United States is now the world’s largest oil producer, but its reliance on oil imports from Canada has never been higher.

Through a vast handshake of pipelines and refineries, Canadian oil and U.S. oil complement each other, strengthening North American energy security.

Here’s why.

Decades in the making

Twenty years ago, the North American energy market looked a lot different than it does today.

In the early 2000s, U.S. oil production had been declining for more than 20 years. By 2005, it dropped to its lowest level since 1949, according to the U.S. Energy Information Administration (EIA).

America’s imports of oil from foreign nations were on the rise.

But then, the first of two powerhouse North American oil plays started ramping up.

In Canada’s oil sands, a drilling technology called SAGD – steam-assisted gravity drainage – unlocked enormous resources that could not be economically produced by the established surface mining processes. And the first new mines in nearly 25 years started coming online.

In about 2010, the second massive play – U.S. light, tight oil – emerged on the scene, thanks to hydraulic fracturing technology.

Oil sands production jumped from about one million barrels per day in 2005 to 2.5 million barrels per day in 2015, reaching an average 3.5 million barrels per day last year, according to the Canada Energy Regulator.

Meanwhile, U.S. oil production skyrocketed from 5.5 million barrels per day in 2005 to 9.4 million barrels per day in 2015 and 13.3 million barrels per day in 2024, according to the EIA.

Together the United States and Canada now produce more oil than anywhere else on earth, according to S&P Global.

As a result, overall U.S. foreign oil imports declined by 35 per cent between 2005 and 2023. But imports from Canada have steadily gone up.

In 2005, Mexico, Saudi Arabia, Venezuela and Nigeria together supplied 52 per cent of U.S. oil imports. Canada was at just 16 per cent.

In 2024, Canada supplied 62 per cent of American oil imports, with Mexico, Saudi Arabia and Venezuela together supplying just 14 per cent, according to the EIA.

“Light” and “heavy” oil

Canadian and U.S. oil production are complementary because they are different from each other in composition.

Canada’s oil exports to the U.S. are primarily “heavy” oil from the oil sands, while U.S. production is primarily “light” oil from the Permian Basin in Texas and New Mexico.

One way to think of it is that heavy oil is thick and does not flow easily, while light oil is thin and flows freely – like orange juice compared to fudge.

The components that make the oil like this require different refinery equipment to generate products including gasoline, jet fuel and base petrochemicals.

Of the oil the U.S. imported from Canada from January to October last year, 75 per cent was heavy, six per cent was light, and the remaining 19 per cent was “medium,” which basically has qualities in between the two.

Tailored for Canadian crude

Many refineries in the United States are specifically designed to process heavy oil, primarily in the U.S. Midwest and U.S. Gulf Coast.

Overall, there are about 130 operable oil refineries in the United States, according to the American Fuel and Petrochemical Manufacturers.

The Alberta Petroleum Marketing Commission (APMC) estimates that 25 consistently use oil from Alberta.

According to APMC, the top five U.S. refineries running the most Alberta crude are:

  • Marathon Petroleum, Robinson, Illinois (100% Alberta crude)
  • Exxon Mobil, Joliet, Illinois (96% Alberta crude)
  • CHS Inc., Laurel, Montana (95% Alberta crude)
  • Phillips 66, Billings, Montana (92% Alberta crude)
  • Citgo, Lemont, Illinois (78% Alberta crude)

Since 2010, virtually 100 per cent of oil imports to the U.S. Midwest have come from Canada, according to the EIA.

In recent years, new pipeline access and crude-by-rail have allowed more Canadian oil to reach refineries on the U.S. Gulf Coast, rising from about 140,000 barrels per day in 2010 to about 450,000 barrels per day in 2024.

U.S. oil exports

The United States banned oil exports from 1975 to the end of 2015. Since, exports have surged, averaging 4.1 million barrels per day last year, according to the EIA.

That is nearly equivalent to the 4.6 million barrels per day of Canadian oil imported into the U.S. over the same time period, indicating that Canadian crude imports enable sales of U.S. oil to global markets.

Future outlook

Twenty-five years from now, the U.S. will need to import virtually exactly the same amount of oil as it does today (7.0 million barrels per day in 2050 compared to 6.98 million barrels per day in 2023), according to the EIA.

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Alberta

Busting five myths about the Alberta oil sands

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Construction of an oil sands SAGD production well pad in northern Alberta. Photo supplied to the Canadian Energy Centre

From the Canadian Energy Centre

By Deborah Jaremko

The facts about one of Canada’s biggest industries

Alberta’s oil sands sector is one of Canada’s most important industries — and also one of its most misunderstood.

Here are five common myths, and the facts behind them.

Myth: Oil sands emissions are unchecked

Steam generators at a SAGD oil sands production site in northern Alberta. Photo courtesy Cenovus Energy

Reality: Oil sands emissions are strictly regulated and monitored. Producers are making improvements through innovation and efficiency.

The sector’s average emissions per barrel – already on par with the average oil consumed in the United States, according to S&P Global – continue to go down.

The province reports that oil sands emissions per barrel declined by 26 per cent per barrel from 2012 to 2023. At the same time, production increased by 96 per cent.

Analysts with S&P Global call this a “structural change” for the industry where production growth is beginning to rise faster than emissions growth.

The firm continues to anticipate a decrease in total oil sands emissions within the next few years.

The Pathways Alliance — companies representing about 95 per cent of oil sands activity — aims to significantly cut emissions from production through a major carbon capture and storage (CCS) project and other innovations.

Myth: There is no demand for oil sands production

Expanded export capacity at the Trans Mountain Westridge Terminal. Photo courtesy Trans Mountain Corporation

Reality: Demand for Canadian oil – which primarily comes from the oil sands – is strong and rising.

Today, America imports more than 80 per cent more oil from Canada than it did in 2010, according to the U.S. Energy Information Administration (EIA).

New global customers also now have access to Canadian oil thanks to the opening of the Trans Mountain pipeline expansion in 2024.

Exports to countries outside the U.S. increased by 180 per cent since the project went into service, reaching a record 525,000 barrels per day in July 2025, according to the Canada Energy Regulator.

The world’s appetite for oil keeps growing — and it’s not stopping anytime soon.

According to the latest EIA projections, the world will consume about 120 million barrels per day of oil and petroleum liquids in 2050, up from about 104 million barrels per day today.

Myth: Oil sands projects cost too much

Heavy haulers at an oil sands mining operation in northern Alberta. Photo courtesy Suncor Energy

Reality: Operating oil sands projects deliver some of the lowest-cost oil in North America, according to Enverus Intelligence Research.

Unlike U.S. shale plays, oil sands production is a long-life, low-decline “manufacturing” process without the treadmill of ongoing investment in new drilling, according to BMO Capital Markets.

Vast oil sands reserves support mining projects with no drilling, and the standard SAGD drilling method involves about 60 per cent fewer wells than the average shale play, BMO says.

After initial investment, Enverus says oil sands projects typically break even at less than US$50 per barrel WTI.

Myth: Indigenous communities don’t support the oil sands 

Chief Greg Desjarlais of Frog Lake First Nation signs an agreement in September 2022 whereby 23 First Nations and Métis communities in Alberta acquired an 11.57 per cent ownership interest in seven Enbridge-operated oil sands pipelines for approximately $1 billion. Photo courtesy Enbridge

Reality: Indigenous communities play an important role in the oil sands sector through community agreements, business contracts and, increasingly, project equity ownership.

Oil sands producers spent an average of $1.8 billion per year with 180 Indigenous-affiliated vendors between 2021 and 2023, according to the Canadian Association of Petroleum Producers.

Indigenous communities are now owners of key projects that support the oil sands, including Suncor Energy’s East Tank Farm (49 per cent owned by two communities); the Northern Courier pipeline system (14 per cent owned by eight communities); and the Athabasca Trunkline, seven operating Enbridge oil sands pipelines (~12 per cent owned by 23 communities).

These partnerships strengthen Indigenous communities with long-term revenue, helping build economic reconciliation.

Myth: Oil sands development only benefits people in Alberta 

The Toronto Stock Exchange (TSX) on Bay St. Getty Images photo

Reality: Oil sands development benefits Canadians across the country through reliable energy supply, jobs, taxes and government revenues that help pay for services like roads, schools and hospitals.

The sector has contributed approximately $1 trillion to the Canadian economy over the past 25 years, according to analysis by the Macdonald-Laurier Institute (MLI).

That reflects total direct spending — including capital investment, operating costs, taxes and royalties — not profits or dividends for shareholders.

More than 2,300 companies outside of Alberta have had direct business with the oilsands, including over 1,300 in Ontario and almost 600 in Quebec, MLI said.

Energy products are by far Canada’s largest export, representing $196 billion, or about one-quarter of Canada’s total trade in 2024, according to Statistics Canada.

Led by the oil sands, Canada’s energy sector directly or indirectly employs more than 445,000 people across the country, according to Natural Resources Canada.

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Alberta

Enbridge CEO says ‘there’s a good reason’ for Alberta to champion new oil pipeline

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Enbridge CEO Greg Ebel. The company’s extensive pipeline network transports about 30 per cent of the oil produced in North America and nearly 20 per cent of the natural gas consumed in the United States. Photo courtesy Enbridge

From the Canadian Energy Centre

By Deborah Jaremko

B.C. tanker ban an example of federal rules that have to change

The CEO of North America’s largest pipeline operator says Alberta’s move to champion a new oil pipeline to B.C.’s north coast makes sense.

“There’s a good reason the Alberta government has become proponent of a pipeline to the north coast of B.C.,” Enbridge CEO Greg Ebel told the Empire Club of Canada in Toronto the day after Alberta’s announcement.

“The previous [federal] government’s tanker ban effectively makes that export pipeline illegal. No company would build a pipeline to nowhere.”

It’s a big lost opportunity. With short shipping times to Asia, where oil demand is growing, ports on B.C.’s north coast offer a strong business case for Canadian exports. But only if tankers are allowed.

A new pipeline could generate economic benefits across Canada and, under Alberta’s plan, drive economic reconciliation with Indigenous communities.

Ebel said the tanker ban is an example of how policies have to change to allow Canada to maximize its economic potential.

Repealing the legislation is at the top of the list of needed changes Ebel and 94 other energy CEOs sent in a letter to Prime Minister Mark Carney in mid-September.

The federal government’s commitment to the tanker ban under former Prime Minister Justin Trudeau was a key factor in the cancellation of Enbridge’s Northern Gateway pipeline.

That project was originally targeted to go into service around 2016, with capacity to ship 525,000 barrels per day of Canadian oil to Asia.

“We have tried to build nation-building pipelines, and we have the scars to prove it. Five hundred million scars, to be quite honest,” Ebel said, referencing investment the company and its shareholders made advancing the project.

“Those are pensioners and retail investors and employees that took on that risk, and it was difficult,” he said.

For an industry proponent to step up to lead a new Canadian oil export pipeline, it would likely require “overwhelming government support and regulatory overhaul,” BMO Capital Markets said earlier this year.

Energy companies want to build in Canada, Ebel said.

“The energy sector is ready to invest, ready to partner, partner with Indigenous nations and deliver for the country,” he said.

“None of us is calling for weaker environmental oversight. Instead, we are urging government to adopt smarter, clearer, faster processes so that we can attract investment, take risks and build for tomorrow.”

This is the time for Canadians “to remind ourselves we should be the best at this,” Ebel said.

“We should lead the way and show the world how it’s done: wisely, responsibly, efficiently and effectively.”

With input from a technical advisory group that includes pipeline leaders and Indigenous relations experts, Alberta will undertake pre-feasibility work to identify the pipeline’s potential route and size, estimate costs, and begin early Indigenous engagement and partnership efforts.

The province aims to submit an application to the Federal Major Projects Office by spring 2026.

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