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Canadian Energy Centre

The importance of Canadian crude oil to refineries in the U.S.

Published

2 years ago

8 minute read

From the Canadian Energy Centre

By Ven Venkatachalam

Oil from Canada supplies more than 23% of U.S. refinery feedstock, helping bolster North American energy security

Introduction

The refining industry¹ in the United States is one of the world’s largest, with capacity to process 18 million barrels of oil per day. Canada plays a crucial role by supplying more than one-fifth of the crude oil refined in the U.S.

The U.S.–Canada cross-border crude oil trade is essential to North American energy security. Canadian crude oil exports and the U.S. refinery industry are highly integrated. In recent years, Canada’s crude oil sector has been making a growing contribution to the operations of U.S. oil refineries.

U.S. refineries are converting Canadian crude oil, including heavy oil,² into products that North Americans use daily, such as transportation fuels (gasoline and diesel), chemicals, and plastics. Although the U.S. has increased its production of oil in recent years, U.S. refineries still rely on Canadian heavy crude oil to meet their feedstock (i.e., the raw materials and intermediate materials processed at refineries to produce finished petroleum products, otherwise known as refinery inputs) specifications.

In this CEC Fact Sheet, we examine several economic indicators that illustrate the importance of Canadian crude oil, particularly heavy crude, to U.S. refineries. This fact sheet also analyzes the refining industry’s direct and indirect economic impacts on the U.S. economy.

1. NAICS Code 324110 (Petroleum Refineries): This industry comprises
establishments primarily engaged in refining crude petroleum into refined petroleum.

2. A majority of the crude oil imported by the U.S. from Canada is heavy crude (between 15-25 API gravity). API gravity is a commonly used index for measuring the density of crude oil or refined products. Crude oil typically has an API between 15 and 45 degrees. The higher the API, the lighter the crude; the lower the API, the heavier the crude.

Imports of Canadian crude oil to refineries in the United States

The physical characteristics of crude oil determine how it is processed in refineries. Generally, heavy crude oil offers higher yields of low-value products (coke and asphalt) and lower yields of high-value products (gasoline). Heavy crude oil requires more complicated processing than lighter crude if it is to produce high-value products.

Overall, Canadian crude oil imports to U.S. refineries for processing have risen from over 1.3 million barrels per day in 2000 to just under 3.8 million barrels per day in 2022, an increase of 181 per cent (see Figure 1). The per cent of Canadian crude in U.S. refinery feedstock has steadily risen from nearly 9 per cent in 2000 to over 23 per cent by the end of 2022.

Source: U.S. Energy Information Administration (2024a, 2024b, 2024c)

The U.S. refining industry

Since the first U.S. refinery began operating in 1861, the refining industry has been one of the largest manufacturing sectors in the United States. There are currently 129 petroleum refineries across the five U.S. PADDS³ (125 operating refineries and five refineries that are idle but not permanently shut down) (see Table 1).

3. The United States is divided into five Petroleum Administration for Defense 
Districts (PADDs) for the allocation of fuels derived from petroleum products, 
including gasoline and diesel fuel. The geographic breakdown of PADDs enables 
U.S. policymakers to better analyze petroleum supplies in the country
Source: U.S. Energy Information Administration (2023)

Total refining capacity in the United States has risen from 16.2 million barrels of crude processed in 2000 to nearly 17.8 million barrels per day in 2022, an increase of over 8 per cent (see Figure 2). The refining utilization⁴ has also recovered, growing from 79 per cent during COVID-19 to a high of 91 per cent in 2022.

Source: U.S. Energy Information Administration (2024b)

The impact of the U.S. refining industry on the American economy

The estimated direct and indirect economic impacts of the U.S. refining industry in 2024 include 1.6 million direct and indirect jobs, $206 billion in labour income, $577 billion in direct and indirect value-added, and $1.6 trillion in what is known as “outputs,” i.e., the value of goods and services produced by the industry (see Table 2).⁵

4. Capacity measures how much crude oil refineries are able to process. 
Utilization measures how much is actually being processed (as a percentage of 
maximum capacity). 
5. These projected amounts are in nominal U.S. dollars
Source: Author’s calculations using the IMPLAN modelling system. Details may not add up to totals due to rounding

Projected spending by the U.S. refining industry, 2024-2030

Figure 3 illustrates the industry’s projected annual spending between 2024 and 2030. Industry spending is expected to be US$58 billion in 2024, rising to US$62 billion by 2030. This includes operating expenditures (OPEX) and capital expenditures (CAPEX). Cumulatively, between 2024 and 2030, the industry is projected to spend over US$428 billion.⁶

6. These projected amounts are in nominal U.S. dollars and are calculated using 
the Rystad Energy UCube.
Source: Derived from Rystad Energy (2024), Service Market Solution

Conclusion

American refineries are critical to the country’s strategic interest. U.S. refineries are projected to spend more than $428 billion in the next seven years on operating and capital expenditures. The industries support millions of jobs. Canadian crude is an important part of the equation. It supplies more than 23 per cent of U.S. refinery feedstock.

Not only are Canadian crude oil supplies critical for the U.S. refining industry, but they are key to North American energy security. Limiting access to Canadian crude oil for U.S. refineries would require increased U.S. imports from less-free countries, which in turn would risk North American energy security.

References

Rystad Energy (2024), Service Market Solution <http://tinyurl.com/28fmv6a6>; U.S. Energy Information Administration (Undated), Oil and Petroleum Products Explained: Refining Crude Oil <http://tinyurl.com/3b2uwrxh>; U.S. Energy Information Administration (2023), Refinery Capacity Report <http://tinyurl.com/2s4ybz9z>; U.S. Energy Information Administration (2024a), Petroleum and Other Liquids: PADD District Imports by Country of Origin <http://tinyurl.com/58mzvtts>; U.S. Energy Information Administration (2024b), Petroleum and Other Liquids: Refinery Utilization and Capacity <http://tinyurl.com/3wx957k4>; U.S. Energy Information Administration (2024c), Petroleum and Other Liquids: U.S. Imports by Country of Origin <http://tinyurl.com/bdcsbwhn>; U.S. Environmental Protection Agency (Undated), Appendix A — Overview of Petroleum Refining, Proposed Clean Fuels Refinery DEIS <http://tinyurl.com/dveyzc8k>.

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Oil tanker traffic surges but spills stay at zero after Trans Mountain Expansion

Published on December 4, 2025

By

From the Canadian Energy Centre

Bigger project maintains decades-long marine safety record

The Trans Mountain system continues its decades-long record of zero marine spills, even as oil tanker traffic has surged more than 800 per cent since the pipeline’s expansion in May 2024.

The number of tankers calling at Trans Mountain’s Westridge Marine Terminal in the Port of Vancouver in one month now rivals the number that used to go through in one year.

A global trend toward safer tanker operations

Trans Mountain’s safe operations are part of a worldwide trend. Global oil tanker traffic is up, yet spills are down, according to the International Tanker Owners Pollution Federation, a London, UK-based nonprofit that provides data and response support.

Graph courtesy International Tanker Owners Pollution Federation

Transport Canada reports a 95 per cent drop in ship-source oil spills and spill volumes since the 1970s, driven by stronger ship design, improved response and better regulations.

“Tankers are now designed much more safely. They are double-hulled and compartmentalized to mitigate spills,” said Mike Lowry, spokesperson for the Western Canada Marine Response Corporation (WCMRC).

WCMRC: Ready to protect the West Coast

One of WCMRC’s new response vessels arrives in Barkley Sound. Photo courtesy Western Canada Marine Response Corporation

From eight marine bases including Vancouver and Prince Rupert, WCMRC stands at the ready to protect all 27,000 kilometres of Canada’s western coastline.

Lowry sees the corporation as similar to firefighters — training to respond to an event they hope they never have to see.

In September, it conducted a large-scale training exercise for a worst-case spill scenario. This included the KJ Gardner — Canada’s largest spill response vessel and a part of WCMRC’s fleet since 2024.

“It’s part of the work we do to make sure everybody is trained and prepared to use our assets just in case,” Lowry said.

Expanding capacity for Trans Mountain

The K.J. Gardner is the largest-ever spill response vessel in Canada. Photo courtesy Western Canada Marine Response Corporation

WCMRC’s fleet and capabilities were doubled with a $170-million expansion to support the Trans Mountain project.

Between 2012 and 2024, the company grew from 13 people and $12 million in assets to more than 200 people and $213 million in assets.

“About 80 per cent of our employees are mariners who work as deckhands, captains and marine engineers on our vessels,” Lowry said.

“Most of the incidents we respond to are small marine diesel spills — the last one was a fuel leak from a forest logging vessel near Nanaimo — so we have deployed our fleet in other ways.”

Tanker safety starts with strong rules and local expertise

Tanker loading at the Westridge Marine Terminal in the Port of Vancouver. Photo courtesy Trans Mountain Corporation

Speaking on the ARC Energy Ideas podcast, Trans Mountain CEO Mark Maki said tanker safety starts with strong regulations, including the use of local pilots to guide vessels into the harbour.

“On the Mississippi River, you have Mississippi River pilots because they know how the river behaves. Same thing would apply here in Vancouver Harbour. Tides are strong, so people who are familiar with the harbor and have years and decades of experience are making sure the ships go in and out safely,” Maki said.

“A high standard is applied to any ship that calls, and our facility has to meet very strict requirements. And we have rejected ships, just said, ‘Nope, that one doesn’t fit the bill.’ A ship calling on our facilities is very, very carefully looked at.”

Working with communities to protect sensitive areas

Beyond escorting ships and preparing for spills, WCMRC partners with coastal communities to map sensitive areas that need rapid protection including salmon streams, clam beds and culturally important sites like burial grounds.

“We want to empower communities and nations to be more prepared and involved,” Lowry said.

“They can help us identify and protect the areas that they value or view as sensitive by working with our mapping people to identify those areas in advance. If we know where those are ahead of time, we can develop a protection strategy for them.”

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Business

Canada’s future prosperity runs through the northwest coast

Published on December 2, 2025

By

Prince Rupert Port Authority CEO Shaun Stevenson. Photo courtesy Prince Rupert Port Authority

From the Canadian Energy Centre

By Deborah Jaremko

A strategic gateway to the world

Tucked into the north coast of B.C. is the deepest natural harbour in North America and the port with the shortest travel times to Asia.

With growing capacity for exports including agricultural products, lumber, plastic pellets, propane and butane, it’s no wonder the Port of Prince Rupert often comes up as a potential new global gateway for oil from Alberta, said CEO Shaun Stevenson.

Thanks to its location and natural advantages, the port can efficiently move a wide range of commodities, he said.

That could include oil, if not for the federal tanker ban in northern B.C.’s coastal waters.

The Port of Prince Rupert on the north coast of British Columbia. Photo courtesy Prince Rupert Port Authority

“Notwithstanding the moratorium that was put in place, when you look at the attributes of the Port of Prince Rupert, there’s arguably no safer place in Canada to do it,” Stevenson said.

“I think that speaks to the need to build trust and confidence that it can be done safely, with protection of environmental risks. You can’t talk about the economic opportunity before you address safety and environmental protection.”

Safe Transit at Prince Rupert

About a 16-hour drive from Vancouver, the Port of Prince Rupert’s terminals are one to two sailing days closer to Asia than other West Coast ports.

The entrance to the inner harbour is wider than the length of three Canadian football fields.

The water is 35 metres deep — about the height of a 10-storey building — compared to 22 metres at Los Angeles and 16 metres at Seattle.

Shipmasters spend two hours navigating into the port with local pilot guides, compared to four hours at Vancouver and eight at Seattle.

“We’ve got wide open, very simple shipping lanes. It’s not moving through complex navigational channels into the site,” Stevenson said.

A Port on the Rise

The Prince Rupert Port Authority says it has entered a new era of expansion, strengthening Canada’s economic security.

The port estimates it anchors about $60 billion of Canada’s annual global trade today. Even without adding oil exports, Stevenson said that figure could grow to $100 billion.

“We need better access to the huge and growing Asian market,” said Heather Exner-Pirot, director of energy, natural resources and environment at the Macdonald-Laurier Institute.

“Prince Rupert seems purpose-built for that.”

Roughly $3 billion in new infrastructure is already taking shape, including the $750 million rail-to-container CANXPORT transloading complex for bulk commodities like specialty agricultural products, lumber and plastic pellets.

The Ridley Island Propane Export Terminal, Canada’s first marine propane export terminal, started shipping in May 2019. Photo courtesy AltaGas Ltd.

Canadian Propane Goes Global

A centrepiece of new development is the $1.35-billion Ridley Energy Export Facility — the port’s third propane terminal since 2019.

“Prince Rupert is already emerging as a globally significant gateway for propane exports to Asia,” Exner-Pirot said.

Thanks to shipments from Prince Rupert, Canadian propane – primarily from Alberta – has gone global, no longer confined to U.S. markets.

More than 45 per cent of Canada’s propane exports now reach destinations outside the United States, according to the Canada Energy Regulator.

“Twenty-five per cent of Japan’s propane imports come through Prince Rupert, and just shy of 15 per cent of Korea’s imports. It’s created a lift on every barrel produced in Western Canada,” Stevenson said.

“When we look at natural gas liquids, propane and butane, we think there’s an opportunity for Canada via Prince Rupert becoming the trading benchmark for the Asia-Pacific region.”

That would give Canadian production an enduring competitive advantage when serving key markets in Asia, he said.

Deep Connection to Alberta

The Port of Prince Rupert has been a key export hub for Alberta commodities for more than four decades.

Through the Alberta Heritage Savings Trust Fund, the province invested $134 million — roughly half the total cost — to build the Prince Rupert Grain Terminal, which opened in 1985.

The largest grain terminal on the West Coast, it primarily handles wheat, barley, and canola from the prairies.

The Prince Rupert Grain Terminal. Photo courtesy Prince Rupert Port Authority

Today, the connection to Alberta remains strong.

In 2022, $3.8 billion worth of Alberta exports — mainly propane, agricultural products and wood pulp — were shipped through the Port of Prince Rupert, according to the province’s Ministry of Transportation and Economic Corridors.

In 2024, Alberta awarded a $250,000 grant to the Prince Rupert Port Authority to lead discussions on expanding transportation links with the province’s Industrial Heartland region near Edmonton.

Handling Some of the World’s Biggest Vessels

The Port of Prince Rupert could safely handle oil tankers, including Very Large Crude Carriers (VLCCs), Stevenson said.

“We would have the capacity both in water depth and access and egress to the port that could handle Aframax, Suezmax and even VLCCs,” he said.

“We don’t have terminal capacity to handle oil at this point, but there’s certainly terminal capacities within the port complex that could be either expanded or diversified in their capability.”

Market Access Lessons From TMX

Like propane, Canada’s oil exports have gained traction in Asia, thanks to the expanded Trans Mountain pipeline and the Westridge Marine Terminal near Vancouver — about 1,600 kilometres south of Prince Rupert, where there is no oil tanker ban.

The Trans Mountain expansion project included the largest expansion of ocean oil spill response in Canadian history, doubling capacity of the West Coast Marine Response Corporation.

The K.J. Gardner is the largest-ever spill response vessel in Canada. Photo courtesy Western Canada Marine Response Corporation

The Canada Energy Regulator (CER) reports that Canadian oil exports to Asia more than tripled after the expanded pipeline and terminal went into service in May 2024.

As a result, the price for Canadian oil has gone up.

The gap between Western Canadian Select (WCS) and West Texas Intermediate (WTI) has narrowed to about $12 per barrel this year, compared to $19 per barrel in 2023, according to GLJ Petroleum Consultants.

Each additional dollar earned per barrel adds about $280 million in annual government royalties and tax revenues, according to economist Peter Tertzakian.

The Road Ahead

There are likely several potential sites for a new West Coast oil terminal, Stevenson said.

“A pipeline is going to find its way to tidewater based upon the safest and most efficient route,” he said.

“The terminal part is relatively straightforward, whether it’s in Prince Rupert or somewhere else.”

Under Canada’s Marine Act, the Port of Prince Rupert’s mandate is to enable trade, Stevenson said.

“If Canada’s trade objectives include moving oil off the West Coast, we’re here to enable it, presuming that the project has a mandate,” he said.

“If we see the basis of a project like this, we would ensure that it’s done to the best possible standard.”

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