Cuba on the Day of the Blackout: Another Nationwide Collapse of the Power Grid

According to estimates, around ten million people on the Caribbean island are affected by the blackout. „Rund zehn Millionen Menschen auf der Karibikinsel waren dadurch ohne Strom." Other figures speak of even more than ten million people affected. This means the entire island between Havana and Santiago de Cuba is without electricity; basic services such as water pumps, cold chains, and communications networks have also failed.

Scale of the Blackout

The background is the poor power grid as well as the oil embargo imposed by the USA, which has cut the country off from supplies. „Zum Teil gehen sie auf ein marodes Stromnetz zurück." Large-scale power outages have been the order of the day in Cuba for months. „Kuba leidet seit Monaten unter stundenlangen und in jüngster Zeit auch tagelangen Stromausfällen." Just the day before, there had once again been hours-long disruptions.

The cause of the complete failure is still being investigated. „Die Ursache des landesweiten Stromausfalles sei unbekannt und werde untersucht, teilte der Netzbetreiber mit." The exact chain of triggers – whether a defective power plant, a bottleneck in load distribution, or the lack of fuel played a role – is currently unclear. All that is clear so far is that the entire grid collapsed synchronously.

The economic situation is precarious in any case. „Das sozialistische Land steckt in einer schweren Wirtschafts- und Energiekrise." Decades of insufficient investment have weakened the infrastructure. „Allerdings steht das kubanische Stromnetz wegen jahrzehntelanger mangelnder Investitionen unter Druck." „Große Teile der veralteten Infrastruktur sind in einem schlechten Zustand." Power plants repeatedly fail and are repaired in makeshift fashion.

Causes and Background

At the same time, U.S. policy is worsening the supply situation. By decree of U.S. President Donald Trump, states that supply oil to Cuba directly or indirectly are subject to tariffs on their exports to the USA. „Zuletzt hatte US-Präsident Donald Trump ein Ölembargo gegen Kuba verhängt." „US-Präsident Trump hatte allen Staaten, die Kuba Öl verkaufen oder zur Verfügung stellen, mit Zöllen gedroht."

U.S. sanctions against Cuba have been in place since the early 1960s. „Die USA haben ihre seit Anfang der 1960er Jahre bestehenden Sanktionen gegen Kuba im Jänner dieses Jahres verschärft." The island is thereby „von der Treibstoffversorgung abgeschnitten, die Lage ihrer ohnehin schwer angeschlagenen Wirtschaft und die Situation der Menschen haben sich noch verschlechtert." Even generators that could cushion the failure can hardly be operated due to the lack of import options.

U.S. Sanctions and Their Consequences

The government in Havana blames U.S. sanctions for the crisis. „Die Regierung in Havanna macht die Sanktionen der USA für die Krise verantwortlich." Washington is pursuing with various pressure measures the goal of „eine wirtschaftliche und politische Öffnung des Karibikstaats nach seinen Vorstellungen zu erzwingen." The energy crisis is thus directly linked to the geopolitical dispute between the two countries.

The population is directly affected by the consequences. Without electricity, neither air conditioners nor refrigerators work in tropical heat; food spoils faster, hospitals have to fall back on emergency generators, and public transportation is largely at a standstill. The Cuban population, which has been living with hours-long and sometimes days-long outages for months, is accustomed to a life with frequent power outages – yet a complete, synchronous collapse of the entire island grid is still a significant blow.

Impact on the Population

The timing of the current blackout – at midday, when the load from air conditioners and cooling devices is particularly high – exacerbates an already critical situation. The responsible authorities are attempting to gradually bring the grid back online. As long as fuel is lacking and the facilities are in poor condition, however, supply is likely to remain fragile. The exact duration of the outage is unclear at the time of reporting.

International pledges of aid or concrete offers of support are not mentioned in the available reports. Repair operations from abroad are also not documented in the facts. Against this backdrop, the restoration of the grid rests primarily on Cuba's own capacities and the supply of spare parts, which is further complicated by the U.S. embargo.

The Cuban energy crisis reflects a problem with multiple overlapping layers: an outdated infrastructure suffering from decades of investment backlogs, an acute fuel shortage resulting from the U.S. oil embargo, and a severely weakened economy. The individual factors reinforce one another – and every additional blackout hits an already weakened system.

International Reactions and Outlook

For the coming days, a gradual and possibly only partial restoration can be expected. Which power plants can be brought back online first depends on the availability of fuel and functioning technology. If the oil supply is not resumed soon, further, and possibly longer-lasting, outages are threatened.

The reporting on the renewed nationwide blackout fits into a series of similar reports from recent months. The frequency of the collapses, the duration of individual outages, and the growing impact on the population point to a structural crisis for which a solution is not in sight in the short term. Without a relaxation in relations with Washington and substantial investment in grid infrastructure, the situation is unlikely to improve fundamentally.

The report was broadcast on July 6, 2026 on the Deutschlandfunk program and originates from the dpa news channel. The report was distributed, among others, via APA with the note „(APA, 6.7.2026)" and carries the dpa image identifier „dpa:260706-930-343547/1".