Willow Project Hits $9 Billion — What That Means for Oil Markets & The Largest Drilling Project in Alaska

The 2 billion markup by ConocoPhillips underscores both the escalating cost of Arctic oil extraction and its potential to make or break U.S. petroleum supply for the next decade.

Rising Capital Costs and Project Timeline

ConocoPhillips (COP) recently raised the estimated capital cost of the Willow Project on Alaska’s North Slope to approximately US$8.5–9.0 billion, a hike from the $7–7.5 billion estimate generated two years earlier. [4]. As of November 2025, Willow is about 50% complete [2]. Despite the cost increase, company representatives remain adamant that the project remains on track, and oil production is still slated to begin in early 2029 [4]. The company has attributed the cost increase primarily to general inflation and the steep logistical and labor costs endemic to Arctic development, further elaborating that overlapping peak-oil demand across multiple regional projects in the United States has driven up the capital cost of Willow [4].

Project Origins and Scale

The Willow Project began back in 2016 after oil reserves were discovered in Northern Alaska [1]. ConocoPhillips proposed a full-scale excavation plan to extract the oil [1]. Despite initial activist pushback against the proposal, the Biden Administration approved the project’s early plans in 2023 [5]. The project lies as part of the National Petroleum Reserve of Alaska (NPR-A) which remains one of the largest undeveloped petroleum provinces in the United States [9]. Willow is designed to produce 600-750 million barrels over the lifetime of the project [1]. The amount of government revenue generated - both federal, state, and local - is forecasted to be between US$8 to 17 billion, depending on market conditions [1]. The project itself is expected to create around 2500 construction jobs once operations begin [1].

Economic and Energy Security Arguments

Supporters of the project - including Alaska’s bipartisan political delegation argue Willow could boost domestic oil availability, and reduce dependence on foreign supplies [3]. A further argument supporting Willow emphasizes how it is capitalising on existing resource potential on petroleum reserves that were already marked for excavation decades prior [3]. Additionally, ConocoPhillips has implemented strict environmental regulations to account for the extraction of oil, including a limit on gravel footprint (385 acres), elevation of pipelines by several feet to facilitate caribou migration, and pipeline separation to allow wildlife migration [1].

Profitability and Market Risk

The price increase, however, has further added a layer of uncertainty to the profitability of Willow [2]. A larger capital cost means the project must deliver higher production for state/local budgets and ConocoPhillips to break even [2]. One state analysis suggests that under current taxation and royalty regulations, the monetary benefit to Alaska could be lower than previously forecasted [2]. For ConocoPhillips, the project is highly sensitive to oil-price volatility [2]. A 2025 state-level analysis warned that under certain market scenarios, peak-year revenue could fall under US$300 million, much lower than earlier forecasts [2].

Environmental and Social Impacts

Environmental concerns remain a key concern to Willow, given its nature as one of America’s largest oil extractions [6]. For instance, an analysis from one source has revealed oil production from Willow over three decades would emit the equivalent of around 130-277 million metric tons of CO₂ [8]. The development also happens to occur on permafrost tundra and wetlands [6]. Not only are these areas vital to wildlife habitats of caribou, birds, and other migratory animals, it also promotes the release of greenhouse gas emissions [6]. Indigenous communities also reside in these areas, and habitat degradation may cause detriments in their day-to-day lifestyles [6].

Overall Outlook

In conclusion, Willow has become a much riskier oil extraction project due to the cost increase, and many remain skeptical of its profitability and whether it will meet the expectations of government budgets forecasted years prior to 2025 [2]. Additionally, the controversies emblematic of large-scale oil extraction present themselves as further obstacles to the project’s reputation, and whether or not it can truly help maintain U.S. energy security while facing the corporate shift towards higher environmental expectations of corporations’ hydrocarbon production [10].

Bibliography

[1]“The Willow Project,” ConocoPhillips Media, Jan. 2024. Accessed: Dec. 01, 2025. [Online]. Available: https://static.conocophillips.com/files/resources/willow_fact_sheet-jan-2024.pdf?utm_source=chatgpt.com

[2]J. Brooks, “New estimate projects 50% less Alaska state revenue from proposed Willow oil project,” Alaska Public Media, Sep. 12, 2025. https://alaskapublic.org/news/economy/energy/2025-09-12/new-estimate-projects-50-less-alaska-state-revenue-from-proposed-willow-oil-project (accessed Dec. 01, 2025).

[3]“Murkowski Underscores Strong Support for Willow Project, Calls on Administration to Select Alternative E | U.S. Senator Lisa Murkowski of Alaska,” www.murkowski.senate.gov, Nov. 02, 2023. https://www.murkowski.senate.gov/press/release/murkowski-underscores-strong-support-for-willow-project-calls-on-administration-to-select-alternative-e- (accessed Dec. 01, 2025).

[4]D. Wethe, “ConocoPhillips lifts Willow project cost to $9 billion, first oil set for early 2029,” World Oil, Nov. 06, 2025. https://worldoil.com/news/2025/11/6/conocophillips-lifts-willow-project-cost-to-9-billion-first-oil-set-for-early-2029/ (accessed Dec. 01, 2025).

[5]L. Friedman, “Biden Plans New Limits on Arctic Drilling Ahead of Controversial Willow Decision,” The New York Times, Mar. 12, 2023. Accessed: Dec. 01, 2025. [Online]. Available: https://www.nytimes.com/2023/03/12/climate/biden-willow-arctic-drilling-restrictions.html

[6]B. Bohrer, M. Brown, and M. Daly, “What is the controversy behind the Alaska Willow oil project?,” PBS NewsHour, Mar. 13, 2023. https://www.pbs.org/newshour/nation/what-is-the-controversy-behind-the-alaska-willow-oil-project (accessed Dec. 01, 2025).

[7]S. Osaka, “Analysis | The Willow oil project debate comes down to this key climate change question,” Washington Post, Mar. 16, 2023. Accessed: Dec. 01, 2025. [Online]. Available: https://www.washingtonpost.com/climate-environment/2023/03/16/willow-project-climate-biden/

[8]“New US oil project will produce emissions of 66 coal plants,” Euronews, Mar. 14, 2023. https://www.euronews.com/green/2023/03/14/biden-administration-approves-alaskas-willow-oil-project-sparking-anger-from-environmental (accessed Dec. 01, 2025).

[9]“Oil and Gas Development in Alaska’s National Petroleum Reserve – Environmental and Energy Law Program,” Environmental & Energy Law Program, Nov. 17, 2025. https://eelp.law.harvard.edu/tracker/national-petroleum-reserve-oil-and-gas-development/ (accessed Dec. 01, 2025).

[10]N. Gordon, “The Willow Project and the Race to Pump the ‘Last Barrel’ of Oil,” Carnegie Endowment, Mar. 16, 2023. https://carnegieendowment.org/posts/2023/03/the-willow-project-and-the-race-to-pump-the-last-barrel-of-oil?lang=en (accessed Dec. 01, 2025).

[11]Responsibly Developing Alaska’s Willow Project. 2019. Accessed: Dec. 01, 2025. [Online]. Available: https://www.conocophillips.com/sustainability/sustainability-news/story/responsibly-developing-alaskas-willow-project/

[12]“Willow Project Fiscal Analysis – Spring 2023 Update,” dor.alaska.gov, Apr. 10, 2023. https://dor.alaska.gov/docs/default-source/press-releases/2023_04_10-willow-project-fiscal-analysis-2023.04.10-update.pdf?sfvrsn=e900769f_1 (accessed Dec. 01, 2025).