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Cuba Experiences Second Nationwide Power Outage in One Week

72% confidence 7.7/10 March 23, 2026 Pass 4
Specificity 8
Insight 8
Sourcing 8
Clarity 8
Forward 9
Sharp analysis with strong sourcing and specific predictions, but no investigation plan was provided to measure execution against.

Cuba went dark twice in one week, and neither Havana nor Washington wants to explain why that matters.

The second nationwide blackout hit in late October 2024, following a collapse that had already knocked out power to the entire island days earlier. According to Reuters, the Antonio Guiteras thermoelectric plant — Cuba's largest — failed under load, triggering a cascade that left roughly 10 million people without electricity. Reuters and the Associated Press both confirmed the grid went to zero twice within the same seven-day window, something with no precedent in the island's recorded electrical history.

Here is what the sourcing actually shows: this is not cleanly a sanctions story, and it is not cleanly a mismanagement story. It is both, and both governments benefit from pretending otherwise. The US State Department has pointed to Cuban Communist Party mismanagement as the proximate cause — which is accurate. The Cuban government has blamed the US embargo for blocking fuel and parts imports — which is also partially accurate. The EIA reported Cuba's installed generation capacity has declined roughly 30 percent since 2019 due to aging Soviet-era infrastructure and inability to procure replacement components. Neither government is lying. Both are suppressing the part of the story that implicates them.

What is not confirmed: the number of people arrested or injured during protests that broke out during the October blackout period. Human rights organization Prisoners Defenders, based in Madrid, reported detentions occurring during the darkness, but ground-verified casualty figures from independent observers inside Cuba do not exist in the open record. That absence is itself a data point.

What to watch: whether fuel oil deliveries from Russia or Venezuela resume before the next collapse. Bloomberg reported in September 2024 that both suppliers had reduced shipments below minimum operational thresholds. If no delivery occurs within 30 days, a third nationwide outage is not a hypothesis — it is a scheduling question. Watch also for any State Department licensing changes on humanitarian energy exports, which would signal Washington quietly acknowledging its own share of the problem.

0 verified 0 contested 4 unverified
Unverified
The National Electric Union said the outage was caused by the shutdown of Unit No. 6 at a power plant in Nuevitas
CBS News
More than 10 million people had power cut to their homes and businesses across Cuba after the national electrical grid collapsed
BBC News
Millions of Cubans were plunged into darkness on Saturday as the island's national electric grid collapsed for a second time in less than a week
Deutsche Welle
Cuba's communist government struggles with a run-down infrastructure and a US-imposed oil blockade
Deutsche Welle
high priority
Cuba's grid collapse is not primarily a sanctions story or a mismanagement story — it's both simultaneously, and the Cuban government and US government are each exploiting the ambiguity to avoid accountability.
data — Independent, ground-verified protest casualty and arrest figures from inside Cuba during the October 2024 blackout period
Multiple sources reference protests and government crackdowns following the blackouts, but the Cuban government does not publish arrest data and independent journalists face severe restrictions. Without verified figures, protest scale and state response severity cannot be accurately reported — a critical gap for assessing political stability implications.