Cuba’s National Electric System collapsed for the second consecutive day on Sunday, causing another nationwide blackout. Workers work to restore Cuba’s National Electric System after a second nationwide blackout in two consecutive days. Cuba’s National Electric System collapsed for the second consecutive day on Sunday night, triggering another nationwide blackout as authorities worked to restore power and safeguard critical services across the island. RELATED: Western Cuba Restores Power Grid After Partial OutageThe Electric Union (UNE) said the National Electric System suffered a total disconnection at 10:43 p.m. local time on Sunday. pic.twitter.com/X1hPn8mpah — Unión Eléctrica de Cuba (@OSDE_UNE) August 3, 2026Text Reads: 🔴 22:43 || A total disconnection of the National Electric Power System occurs.