Spain faces potential energy vulnerabilities following Donald Trump’s July 8 order to halt trade with the country, which remains unimplemented but represents a serious concern for Madrid’s energy sector. The threat was issued after Spain declined to commit 5% of GDP to defense spending and refused to support US operations against Iran. While EU customs rules technically prohibit isolating a single member state from the bloc’s common trade policy, Washington is examining products for targeting, creating uncertainty in Spanish energy markets.
In the crude oil sector, the United States supplied approximately 250,000 barrels per day to Spain in 2025, making it one of the country’s largest sources alongside Mexico. While Spain maintains a diversified crude slate that includes substantial volumes from Brazil, Nigeria, Libya, and Kazakhstan, the loss of American supply would prove costly. During the Middle East crisis earlier in the year, Spanish crude imports surged 15.8% year-on-year as disruptions affected regional supplies. Major refiner Repsol, which operates roughly 62% of Spain’s national refining capacity, is the principal importer of US crude. Though Spain could theoretically replace these barrels through West African or Brazilian grades, alternative sources would likely carry higher costs.
Natural gas represents a more acute vulnerability. US liquefied natural gas accounted for roughly 30% of Spain’s total gas imports in 2025, nearly doubling its 2024 share, and maintained approximately 29% through the first half of 2026. This American supply provides crucial flexibility through long-term contracts combined with spot market access. However, this advantage diminishes significantly on January 1, 2027, when the European Union’s full ban on Russian LNG takes effect. Spain’s current Russian contract contains take-or-pay commitments through 2041, and the loss of this supply removes an important buffer as the country simultaneously faces potential US trade restrictions.
Spain is attempting to strengthen its pipeline infrastructure with Algeria, having begun discussions regarding potential Medgaz capacity increases. However, the pipeline’s physical diameter limits further expansion without substantial infrastructure upgrades. As Russia’s LNG supply disappears and US exports face potential restriction, Spain would face the prospect of competing internationally for replacement volumes from Nigeria, Qatar, and other Atlantic sources while maximizing Algerian pipeline capacity. The fundamental risk is not an immediate physical energy shortage but rather constrained supply options, elevated replacement costs, and a US administration increasingly willing to leverage energy access as a political negotiating tool.
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