Democratic lawmakers in the United States have renewed calls for a windfall profit tax on oil companies following a surge in global energy prices linked to conflict with Iran. The Big Oil Windfall Profits Act, reintroduced by Senator Sheldon Whitehouse (D-RI) and Representative Ro Khanna (D-CA), proposes taxing 50% of the difference between current oil prices and the pre-war average. The revenue would be redistributed to lower-income Americans through tax rebates.
An analysis by Global Witness and The Guardian reported that the top 100 oil and gas firms earned approximately $30 million per hour in excess profits during the initial stages of the conflict. The study found that six major European oil companies recorded $22 billion in profits during the first quarter of 2026, a 43% increase over the previous year. While prices have risen, the American Petroleum Institute (API) noted that the cost of production has remained relatively stable.
The American Petroleum Institute has expressed opposition to the tax, stating that such measures create economic uncertainty and could discourage domestic energy investment. The United Kingdom and the European Union previously implemented similar windfall taxes following the 2022 invasion of Ukraine, with U.K. officials reporting revenue of more than $12 billion through 2025 used to offset consumer energy costs.