Skip to Content News Archives Economy Energy Oil & Gas Renewables Electric Vehicles Mining Commodities Agriculture Real Estate Mortgages Mortgage Rates Finance Banking Insurance Fintech Cryptocurrency Work Wealth Smart Money Wealth Management Investor Personal Finance Family Finance Retirement Taxes High Net Worth FP Comment Executive Women Puzzmo Newsletters Financial Times Business Essentials More Innovation Information Technology FP500 Podcasts Small Business Lives Told Tails Told Shopping Financial Post Store Obituaries Place a Notice Advertising Advertising With Us Advertising Solutions Postmedia Ad Manager Sponsorship Requests Classifieds Place a Classifieds ad Working Profile Settings My Subscriptions Saved Articles My Offers Newsletters Customer Service FAQ News Economy Energy Mining Real Estate Finance Work Wealth Investor FP Comment Executive Women Puzzmo Newsletters Financial Times Business Essentials HomeOil & GasNewsCanadian oil refinery shut down could crimp northeast U.S. supplyIrving's refinery in Saint John, New Brunswick is capable of processing about 300,000 barrels of oil a dayAuthor of the article:Last updated 20 minutes ago You can save this article by registering for free here. Or sign-in if you have an account.Irving regularly conducts fall maintenance at the plant, undergoing a 30-day fall turnaround in 2025, including upgrades to a gasoline-making unit. Photo by BRICE MCVICAR/BRUNSWICK NEWSCanada’s largest oil refinery is planning to shut down for maintenance in the fall, potentially exacerbating fuel market tightness in northeastern United States states that rely on the plant for gasoline and diesel imports.Subscribe now to read the latest news in your city and across Canada.Exclusive articles from Barbara Shecter, Joe O'Connor, Gabriel Friedman, and others.Daily content from Financial Times, the world's leading global business publication.Unlimited online access to read articles from Financial Post, National Post and 15 news sites across Canada with one account.National Post ePaper, an electronic replica of the print edition to view on any device, share and comment on.Daily puzzles, including the New York Times Crossword.Subscribe now to read the latest news in your city and across Canada.Exclusive articles from Barbara Shecter, Joe O'Connor, Gabriel Friedman and others.Daily content from Financial Times, the world's leading global business publication.Unlimited online access to read articles from Financial Post, National Post and 15 news sites across Canada with one account.National Post ePaper, an electronic replica of the print edition to view on any device, share and comment on.Daily puzzles, including the New York Times Crossword.Create an account or sign in to continue with your reading experience.Access articles from across Canada with one account.Share your thoughts and join the conversation in the comments.Enjoy additional articles per month.Get email updates from your favourite authors.Create an account or sign in to continue with your reading experience.Access articles from across Canada with one accountShare your thoughts and join the conversation in the commentsEnjoy additional articles per monthGet email updates from your favourite authorsSign In or Create an AccountorIrving Oil’s Saint John facility on the east coast of Canada is planning to conduct what is known in the industry as a turnaround from early September to mid November, according to the company’s website. That means equipment will be shut down for repairs or regular maintenance. Irving did not immediately respond to questions about what units are being worked on or whether the plant has made alternate supply arrangements for customers.The New Brunswick refinery is capable of processing about 300,000 barrels of oil a day. Maine, Massachusetts and other northeastern states import gasoline and diesel supplies from the plant.Breaking business news, incisive views, must-reads and market signals. Weekdays by 9 a.m.By signing up you consent to receive the above newsletter from Postmedia Network Inc.A welcome email is on its way. If you don't see it, please check your junk folder.The next issue of Posthaste will soon be in your inbox.We encountered an issue signing you up. Please try againFuel-market tightness caused by the U.S.-Israeli war on Iran and lingering effects of Russia’s war on Ukraine are expected to persist through year-end. Those conflicts have placed a particular strain on diesel markets and the refiners that make it. Pump prices in the U.S. have spiked to an average of above US$5 a gallon. The Irving Oil Refinery in Saint John, New Brunswick. Photo by Contributed/BloombergU.S. refiners are running hard to supply a tight market and profit from record margins for turning oil into fuels, but are risking unplanned outages in the process as some defer maintenance.Irving regularly conducts fall maintenance at the plant, undergoing a 30-day fall turnaround in 2025, including upgrades to a gasoline-making unit, and a five-week turnaround during the same period in 2024.The plant also supplies heating oil to states in the northeast for home heating in winter months. Heating oil stocks tend to fall and prices spike in the colder months as more of the fuel is consumed.—With assistance from Will Kubzansky. 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