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Three windfall bills and a $495bn pot: tax risk overtakes price in energy positions
Wood Mackenzie puts the 2026 industry windfall at $495 billion above pre-war expectations. Two of the three bills in Congress tax the Brent price rather than profit, which changes the shape of the trade.
The Investor · Invest desk
What happened
- Wood Mackenzie estimates the oil and gas industry will clear $495 billion in 2026 above what it expected before the U.S.-Israel war with Iran.
- Three bills taxing those profits sit in Congress, and Trump has said oil companies are making too much money.
- Sherman's bill takes 100% above $75, about $9 a barrel, and lapses when hostilities end and prices fall back under the threshold.
- Wood Mackenzie says the 49 largest producers keep $272 billion of it, near 70% of their investment budgets, while capital spending stays flat.
Compiled by The InvestorSomething wrong?How this is made
Why it matters
- exposure Because the two leading bills key off price and ignore cost, the per-barrel charge is identical for the cheapest and the dearest producer, so it bites hardest on thin-margin acreage.
- decision The buyback bill turns use of cash into the expensive decision: returning the windfall to holders would cost a quarter of it, while sitting on the money stays free.
- contradiction Industry and the Tax Foundation warn of deterred investment without naming a figure, while the Wood Mackenzie data shows flat capex, shrinking buybacks and cash piling up instead.
- precedent With five EU states pressing for a second levy, a war-priced windfall tax is becoming Europe's routine response rather than an emergency one, and that framing travels.
Both price-keyed bills change the shape of the payoff, and a rising strip does not fix that. Whitehouse and Khanna would take half of every dollar of Brent above the 2025 average of $69 [4]. Sherman would take all of it above $75 [5]. Run a $10 rally off July's $84 average: the producer keeps $5 a barrel under the first draft and nothing under the second [18]. Neither bill measures profit at all [6], so $9 on an $84 barrel works out at 10.7% of gross revenue [19], which looks modest next to the United Kingdom's combined 78% until you notice the British rate applies to profit and this one applies to the barrel [9].
That UK levy is on course for about 8 billion pounds, roughly $10.8 billion, in 2026, close to double its 2024-25 take [9]. The EU's one-off after Russia's 2022 invasion raised 26.15 billion euros, about $30 billion [10]. The standing regimes in Australia and Norway let producers deduct all costs, including exploration and investment, plus a normal rate of return before any windfall tax is owed [12]. The two American price bills skip that step.
Congress has already tested the revenue side of this. The 1980 Crude Oil Windfall Profit Tax was projected to raise $393 billion over ten years and collected about $80 billion before its 1988 repeal, 20% of the forecast [11][16]. It faded because prices collapsed after 1986 and domestic production was increasingly exempted [11]. The lesson for a holder is narrow but useful: a price-keyed levy self-liquidates when the price falls, so it strips upside without doing anything about the downside.
The buyback proposal from Wyden, Schumer and Bennet aims at the destination rather than the source, lifting the excise from 1% to 25% for large oil and gas companies, a 25-fold increase [7][17]. It arrives as buybacks are already on course to fall and dividends stay flat, with the cash accumulating on balance sheets [1]. A tax on distributions collects least from a company that is hoarding.
The arithmetic worth carrying is on the corporate side. The 49 largest companies keep $272 billion of the windfall, about 55% of the industry total [1][13], an average of $5.5 billion each [15], against combined annual investment budgets implied at roughly $389 billion [14]. That cash is the object of all three drafts, and it is not moving into capital spending [1]. Trump's line that the companies are making too much money [3] sponsors nothing, but it does remove the working assumption that a Republican White House kills any such bill on arrival. For anyone positioned in producers, the variable that decides the year is which of the three designs advances, not where Brent settles.
What to watch
- Whether the Brent average holds above Sherman's $75 trigger, which is what turns his bill from a drafting exercise into a collecting one.