IMF Warns Two-Thirds of EU Energy Subsidies Are Untargeted and Already Cost 0.18% of GDP — Alfred Kammer Says the Permanent-Fiscal-Burden Trap Is Closing on Lisbon as ISP Discount Climbs Again

The International Monetary Fund used the cover of its Regional Economic Outlook for Europe to fire a fresh warning at EU governments still leaning on broad-based energy subsidies — and the message lands in Lisbon the same weekend that Finance Minister Joaquim Miranda Sarmento lifted Portugal's ISP fuel-tax discount again, taking diesel support to €75.48 per thousand litres and gasoline to €51.97. Roughly two-thirds of the energy support deployed across the EU since the 2022 shock is broadly targeted rather than means-tested, the Fund's analysis finds, and the package has now grown into an estimated 0.18% of GDP drag on aggregate eurozone public finances — a figure that climbs further if the Iran-driven Brent shock persists into the autumn.

Kammer's Argument

Alfred Kammer, director of the IMF's European department, framed the warning bluntly: untargeted price ceilings and tax cuts "distort market signals" by keeping demand elevated and dulling the incentive to switch to renewable substitutes — and once introduced, they are politically very difficult to reverse, creating what Kammer called a permanent fiscal burden out of what was sold as an emergency support. The Fund singled out Germany, Spain and Italy alongside Portugal as governments that have repeatedly extended fuel-tax reductions or energy-related rebates beyond the original sunset dates.

The Fund's preferred alternative is the same line it has run for two years: targeted transfers to lower-income households and energy-intensive small firms, with broad price interventions wound down. The political problem in every member state is identical — the broad subsidy is visible at the pump and the targeted transfer is not.

Where Portugal Sits in the Pattern

The OE 2026 still books a small budget surplus of 0.1% of GDP for the year, but Miranda Sarmento has already publicly admitted that the projection is at risk and that the government may print a small deficit instead. That probabilistic admission was made before the latest ISP top-up, before the Programa de Estabilidade revision that cut the 2026 growth forecast to 2% and dropped the surplus plan, and before the IMF's own April Article-IV-style downgrade that cut Portuguese growth to 1.9% and lifted the inflation projection to 3.1%.

The mechanics of the ISP discount illustrate Kammer's point. Originally introduced in March 2022 as a temporary measure to insulate Portuguese households from the post-invasion fuel-price shock, the discount has been adjusted weekly ever since — sometimes trimmed back, sometimes lifted, but never permanently sunset. Cumulative foregone tax revenue since launch sits in the low billions, and the Fund's argument is that money should have been recycled as a targeted transfer to bottom-quintile households rather than spread across every driver who fills a tank.

What This Means for Expats

• Pump prices, Monday morning: Even with the ISP top-up, ANAREC's forecast still has diesel rising about 10 cents per litre and gasoline about 6.5 cents per litre on Monday's reset — the discount narrows the increase, it does not eliminate it.
• What the IMF view tells you about future tax bills: If Lisbon ends 2026 in deficit and the Fund's targeting argument carries weight in Brussels, the easier political path to fiscal correction is to wind down broad fuel relief rather than reopen the IRS or VAT debates. Watch the autumn OE 2027 cycle.
• EV and heat-pump economics: The Fund's own framing — that broad subsidies blunt the renewable-switch incentive — is the explicit reason the European Commission has been pushing member states to phase out fossil-fuel rebates in favour of clean-substitute incentives. Households weighing an EV switch should price in higher running costs for ICE vehicles over the medium term.
• Targeted alternatives already on the books: The Tarifa Social de Energia (electricity bill discount for low-income households) and the AAE-Energia social cushion are the targeted instruments the IMF would prefer to see scaled up. Both have eligibility tied to RSI, CSI or large-family status — worth checking if your household profile fits.
• Bonds and mortgage rates: The Fund flagged that countries with weaker fiscal positions could see adverse market reactions if they extend support without compensating consolidation. Portuguese 10-year yields have stayed contained, but a meaningful repricing would feed through to Euribor and to floating-rate mortgages with a lag.

The Kammer note is non-binding by design — the IMF's regional outlook is advisory, not contractual — but it does set the analytical frame Brussels and the ECB will use when reviewing member-state Stability Programmes this summer. For Portugal, the awkward shape of the 2026 fiscal arithmetic means the broad-versus-targeted argument is no longer just academic.