Cuba experienced a second total blackout across the island on March 21, 2026, as its struggling energy infrastructure continues to deteriorate under the strain of a US oil blockade. The outage underscores deepening energy instability in a geopolitically sensitive region.
- Cuba faced a second nationwide blackout on March 21, 2026
- The outage affected the entire island, according to the energy ministry
- This marks the second major blackout in less than a week
- The crisis is linked to a US oil blockade limiting fuel supplies
- The country’s energy grid continues to struggle under sustained pressure
- The situation raises regional concerns over energy supply chain stability
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