Matanzas-Santa Clara Transmission Line
The Matanzas-Santa Clara Transmission Line is critical to Cuba's energy grid, highlighted by recent mass blackouts affecting only 3% of Havana and prompting U.S. embassy alerts.
U.S. Embassy in Cuba Issues Warning Following Massive Blackout
Published on 9/19/2026
Only 3% of Havana's Residents Have Power Following Latest National Grid Shutdown
Published on 9/19/2026