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The United States announced new sanctions on September 3, 2026 against five Cuban companies and Fidel Ernesto Castro. He is the 31-year-old grandson of former Cuban leader Raul Castro. The US sanctions Cuban companies action targets Cuba’s state financial and energy sectors. Named entities include Banco Exterior de Cuba and the Cuban Oil Industry Supply Import Company, known as Abapet, according to a State Department fact sheet.
The State Department sanctioned Fidel Ernesto Castro for being an adult family member of other already-sanctioned Castro relatives. The administration has used that designation category repeatedly against relatives of Cuban officials. Secretary of State Marco Rubio said the goal is to dismantle the Castro family’s financial networks, according to UPI.
What the US sanctions Cuban companies action actually blocks
The sanctions freeze any US-linked assets belonging to the designated companies and individual. They also bar Americans from doing business with them. Banco Exterior de Cuba handles a portion of the country’s international financial transactions. Its inclusion is meant to squeeze the channels Cuba uses to move money abroad. Abapet’s designation targets Cuba’s ability to import equipment for its energy sector, which has struggled with chronic blackouts.
Four other Cuban state-linked entities in natural resources and energy were named alongside Abapet. The State Department fact sheet did not attach dollar figures to the economic impact. No independent estimate of the sanctions’ financial effect has been published yet.
Cuba’s energy sector has faced chronic blackouts for years. The problem stems partly from aging infrastructure and partly from difficulty importing fuel and parts under existing sanctions. Targeting Abapet strikes at the supply chain the island uses to keep power plants running. That could deepen blackouts rather than simply squeeze government finances in the abstract. The administration has not said whether it expects the sanctions to worsen electricity shortages for ordinary Cubans. Humanitarian groups tracking the broader campaign have raised that concern.
Sanctioning family members, not just officials

Targeting an official’s relative, rather than the official directly, is a tool the administration has used before against Cuban leadership. The rationale: sanctioned officials sometimes route assets through family members who hold no formal government position. Fidel Ernesto Castro has faced no public accusation of an independent role in Cuban governance. His designation rests on his family relationship alone.
Cuban officials have not issued a detailed response to the September 3 sanctions specifically. The government has previously called similar measures collective punishment against the Cuban population rather than its leadership, according to Al Jazeera’s reporting on the broader sanctions campaign.
Raul Castro himself, now 95, has largely receded from public life. He no longer holds a formal government post, though he retains significant informal influence within Cuba’s Communist Party. Sanctioning his grandson instead of targeting Raul Castro directly reflects that shift. US officials appear to be pursuing the financial networks around the Castro family rather than the aging former leader himself, betting that cutting off younger relatives will do more to constrain the family’s long-term economic position.
Part of a longer pressure campaign
This round follows a series of sanctions actions against Cuba this year. Earlier rounds targeted officials and state companies; this one extends to family members. The administration frames the campaign as pressure for political and economic reform. Critics argue the sanctions mainly strain an economy already short on fuel and hard currency, with limited effect on the government’s political decisions.
What happens next for US-Cuba relations
The Treasury Department is expected to add implementation details for the new designations in the coming weeks. That should include specific compliance guidance for US financial institutions. Cuba’s government has not signaled any policy shift in response. Analysts tracking the relationship expect more sanctions rounds if diplomatic channels stay closed.
US-Cuba relations have swung between engagement and pressure for decades, depending on the administration in office. The current approach leans firmly toward pressure, with this round following several earlier ones this year. Cuban-American communities in the US remain divided on the strategy’s effectiveness. Some support continued pressure on the Castro family. Others argue it mainly hurts ordinary Cubans without changing government behavior.
Frequently asked questions
Who is Fidel Ernesto Castro?
He is the 31-year-old grandson of former Cuban president Raul Castro. He was sanctioned for being an adult family member of other sanctioned Castro relatives, not for an independent government role.
What companies were sanctioned?
Five entities, including Banco Exterior de Cuba and the Cuban Oil Industry Supply Import Company (Abapet), along with four other state-linked natural resources and energy firms.
Why is the US targeting Cuba’s financial sector?
Secretary of State Marco Rubio said the sanctions aim to dismantle the Castro family’s financial networks and limit the channels Cuba uses to move money internationally.
When did the sanctions take effect?
The State Department announced the measures on September 3, 2026, with the Treasury Department expected to issue compliance guidance for US institutions afterward.
Has Cuba responded to the sanctions?
Cuba’s government has not issued a detailed response to this specific round, though it has previously described similar measures as collective punishment against ordinary Cubans.
Related coverage
- For another active sanctions front, read our report on the EU’s sanctions extension against Russia.
- See also our coverage of the Falkland Islands oil sanctions dispute.
Sources
- US Department of State — Further Sanctions on Cuba’s Elites, Financial Channels, and Resource Exploitation Apparatus. state.gov
- UPI — U.S. sanctions Raul Castro’s grandson, Cuban state bank. upi.com
- Al Jazeera — US continues to squeeze Cuban economy with new round of sanctions. aljazeera.com
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