Sunday, 20 September 2026

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Treasury loses €1.812 billion due to tax measures following the war in Iran

The Treasury has lost €1.812 billion in tax revenue until July 2026 due to the war in Iran.

Álvaro Sáez Ferrer
Álvaro Sáez Ferrer
· 2 min read

The impact of the tax measures related to the war in Iran has led the Treasury to forgo **€1.812 billion** until July. These decisions aim to mitigate rising prices, especially in energy and fuels.

Until July 2026, the Ministry of Treasury has lost **€1.812 billion** in revenue due to the tax measures implemented in Royal Decree Law 7/2026, according to the Tax Agency. These measures, adopted in March, seek to alleviate the economic impact of the conflict in the Middle East.

The monthly tax revenue report indicates that the tax decisions have significantly reduced income, with the reductions in the reduced VAT rate having the most impact, amounting to **€893 million** in the first seven months of the year.

In particular, the reduction of VAT for petrol, diesel, and biofuels has generated a notable impact of **€489 million**, followed by the VAT reduction on electricity, which accounted for **€303 million**, and other fuels like natural gas and wood, which contributed **€101 million**.

Since June 1, ordinary tax rates have been reinstated, except for the mentioned fuels, which maintained a reduced rate of **10%** until June 30. Additionally, the reduction in rates for the Special Tax on Hydrocarbons has contributed to a loss of **€679 million** in revenue.

The bonus measures have been adjusted from **15 cents per litre in July to 10 cents in August**, and it is expected that in September the bonus will rise to **20 cents** for diesel, while petrol will maintain the scheduled reduction of **5 cents**.

Furthermore, the reduction of the special electricity tax rate has resulted in a loss of **€302 million** in revenue, while the suspension of the refund for diesel used by professionals has had a positive effect, contributing **€104 million** to public coffers.

Álvaro Sáez Ferrer

Written by

Álvaro Sáez Ferrer

Redactor

Economista por ICADE y una de las pocas personas que disfruta leyendo la ley de presupuestos. Cafetero, padre a tiempo completo y azote de la letra pequeña; en Iber Empresa escribe de economía y fiscalidad.