World June 11, 2026 01:18 PM

U.S. Sanctions Cuba’s State Oil Company CUPET, Freezing Any U.S. Assets

Treasury moves to bar Americans from doing business with Unión Cuba-Petróleo after national emergency steps tied to oil supply and power disruptions

By Maya Rios
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The U.S. Treasury announced sanctions on Unión Cuba-Petróleo (CUPET), Cuba’s state oil company, freezing any assets within U.S. jurisdiction and generally prohibiting Americans from engaging in business with the firm. The designation follows earlier U.S. national emergency actions targeting countries that supply oil to Cuba and follows broader sanctions on Cuban officials and entities intended to increase pressure on the island’s communist leadership. Those measures have been linked to recurring power outages in Cuba.

U.S. Sanctions Cuba’s State Oil Company CUPET, Freezing Any U.S. Assets
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Key Points

  • U.S. Treasury designated Unión Cuba-Petróleo (CUPET) on Thursday, freezing any assets held in the United States and generally barring Americans from business with the company.
  • The CUPET sanction is part of broader U.S. sanctions on multiple Cuban entities and individuals, including the nation’s president, aimed at increasing pressure on Cuba’s communist leadership.
  • The move follows a national emergency declared earlier this year that permits tariffs on countries supplying oil to Cuba; that action has been associated with frequent power outages across the island.

The U.S. Treasury Department said on Thursday that it has imposed sanctions on Unión Cuba-Petróleo (CUPET), the Cuban state oil company. The designation, posted on the Treasury Department website, triggers the blocking of any assets CUPET holds under U.S. jurisdiction and places broad limits on commercial interactions between Americans and the company.

The Treasury’s move is part of a wider set of U.S. measures targeting the Cuban government and associated individuals. Washington has taken action against multiple Cuban entities and individuals, including the island nation’s president, citing a policy objective of increasing pressure on Cuba’s communist leaders.

Officials note that the sanctions on CUPET follow a national emergency declared earlier this year. Under that national emergency, the United States reserved the authority to impose tariffs on any country that supplies oil to Cuba. The government-linked step was tied to a series of policies aimed at constraining external energy support for the island.

Reporting from U.S. authorities links these energy-related restrictions to widespread and repeated power outages across Cuba. The Treasury’s sanctions on CUPET are the latest action in a sequence of measures that have affected the island’s energy arrangements, according to the information posted by the department.

This designation freezes U.S.-based assets and generally bars Americans from conducting business with the sanctioned entity. The Treasury posting provides these core effects as the immediate legal consequences of the action.


Context and implications reported by the Treasury:

  • The sanction was announced on Thursday via the Treasury Department website.
  • The action blocks any assets CUPET holds in the United States and broadly prohibits Americans from dealing with the company.
  • Washington has previously sanctioned other Cuban entities and individuals, including the president, to increase pressure on Cuba’s communist leadership.
  • Earlier this year, a U.S. national emergency was declared that allows for tariffs on countries supplying oil to Cuba; that policy is associated with frequent power outages on the island.

Where details are limited in the public posting, the Treasury’s announcement outlines the legal effects of the sanctions and situates the CUPET designation within an ongoing U.S. effort to target Cuba’s energy links and senior officials.

Risks

  • Frequent power outages across Cuba, which U.S. officials link to the national emergency and related measures - impacts the Cuban population and the utilities sector.
  • Countries or entities engaged in supplying oil to Cuba could be subject to tariffs under the declared national emergency - affecting international energy trade relationships.
  • Americans and U.S.-based entities face legal prohibitions on doing business with CUPET, limiting commercial activity tied to the Cuban state oil company.

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