US sanctions Cuba's state oil company in latest pressure move

The United States has imposed additional sanctions on Cuba, targeting the state-owned Union Cuba-Petroleo in a fresh move against the island's energy sector. The action was announced on 11 June 2026 and was presented by Washington as part of its wider pressure campaign on Havana's communist government. It comes as Cuba continues to face fuel shortages and blackouts linked to long-running problems in its energy system.

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US Secretary of State Marco Rubio said the company serves Cuba's "repressive security apparatus" and accused Cuba's Communist leaders of diverting energy resources for their own benefit. He also said the company's assets were "unlawfully expropriated" from American owners years ago, referring to the nationalisation of oil production after the Cuban Revolution. The statement framed the sanctions as a punitive response to the Cuban state rather than a commercial dispute.

The move is significant because Cuba relies heavily on imported fuel to keep its ageing electricity grid running and to support transport and other daily needs. The supplied material says the island was only able to produce about 40% of the oil it used in 2023, according to the International Energy Agency. It also says that trade in oil has largely stopped, with only a single Russian oil tanker reaching Cuba since late January.

That makes any further restriction on energy supply potentially important for households, businesses and public services. The sanctions also fit into a broader pattern of US measures under President Donald Trump, who has stepped up pressure on Cuba since January. According to the supplied material, that campaign began with cuts to energy exports from Venezuela, a regional ally, and threats of tariffs against any country that ships oil to Cuba.

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The latest action therefore appears to be part of a wider effort to tighten the island's access to fuel and increase economic pressure on the government. The dispute over Union Cuba-Petroleo also reflects a long-running conflict over property, sovereignty and sanctions between Washington and Havana. The company is described as state-owned, and the US statement links it to the legacy of nationalisation after 1959.

The supplied material does not say whether Cuba has issued a formal response to the latest sanctions, or whether any subsidiaries or officials were also designated. It also does not provide details of the legal mechanism used in the new measures. What remains unclear is the full scope of the sanctions and how quickly they may affect fuel availability, electricity generation or transport on the island.

It is also not yet clear whether Havana will respond diplomatically or through changes to its energy policy. The next developments to watch are any further US clarification, any statement from the Cuban government and any signs of disruption in fuel supply or blackouts.

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