Oil companies are making billions. In the U.S., calls to tax their windfall are growing

Recent escalations in tensions between the U.S. and Iran have driven up oil prices globally, generating substantial excess profits for major energy producers. According to analysis by Global Witness and the Guardian, the world’s top 100 oil and gas companies earned approximately $30 million per hour in windfall profits during the early phases of the conflict. This surge in revenues occurred despite production costs remaining relatively stable, according to industry data from the American Petroleum Institute.

The profit gains have been particularly pronounced in Europe, where the top six oil companies recorded earnings in the first quarter of 2026 that were 43% higher than the same period in the prior year, totaling at least $22 billion. These windfall gains have prompted renewed calls for special taxation on excess energy sector profits. Democratic Senator Sheldon Whitehouse of Rhode Island has proposed legislation that would tax windfall profits from oil companies, with half of the excess gains directed to a fund providing tax rebates to lower-income Americans. The proposal would apply to companies producing or importing more than 300,000 barrels daily, leaving smaller producers largely unaffected.

International precedent exists for such taxation measures. The United Kingdom and European Union both implemented windfall taxes following Russia’s invasion of Ukraine, generating over $12 billion and nearly $30 billion respectively. These revenues supported households facing elevated energy costs. The proposed U.S. measure seeks to avoid complications that undermined a similar 1980 windfall tax, which companies circumvented through internal pricing adjustments.

The oil industry opposes the proposal, arguing that taxation uncertainty discourages necessary investment and energy security. Major companies including Chevron and ExxonMobil declined to comment on the legislation. Whitehouse acknowledged passage would face significant obstacles but emphasized the measure could highlight industry profits and renewable energy’s growing cost competitiveness.