Cuba restores national power grid after eighth major blackout of 2026

Cuba power grid collapse energy crisis National Electric Union blackout US sanctions

Cuba's national electrical grid suffered a total collapse on Friday, September 18, 2026, marking the eighth nationwide blackout of the year. The failure was triggered by a breakdown in high-voltage transmission lines connecting Matanzas and Cienfuegos in central Cuba.

Technicians successfully reconnected the national transmission infrastructure on Saturday evening at 7:56 pm GMT after approximately 32 hours of disconnection. While the grid is interconnected, authorities warned of continued severe electricity shortages due to a significant deficit in generation capacity and a lack of fuel for thermoelectric plants.

Major generation facilities, including plants in Mariel, Guiteras, Felton, and Rente, are experiencing unit breakdowns and maintenance issues. The energy crisis is being exacerbated by chronic fuel shortages and aging infrastructure. Cuban authorities attribute these difficulties to US economic sanctions and blockades that restrict access to essential fuel, spare parts, and foreign investment.

The blackout has had widespread impacts, affecting telecommunications in regions like Santiago de Cuba, where mobile tower operations are frequently disrupted by power and fuel shortages. Essential services, including hospitals and water pumping stations, have been prioritized during the gradual restoration process.

Entities

Cuba · Cuba's National Electrical Union · Donald Trump · ETECSA · Ernesto Guevara De La Serna thermoelectric plant · Havana · Mariel thermoelectric plant · Matanzas · National Electric Union · United States

Claims

What the coverage asserts, and how many sources carry each claim.

[● 5 SOURCES] The National Electric Union reported a total disconnection of the National Electric Power System on Friday. www.europesays.com · world-today-journal.com · cubacoop.org · gacetamexicana.com · orinocotribune.com
[○ 1 SOURCE] Major thermoelectric plants, including Mariel, Guiteras, Felton, and Rente, are experiencing unit breakdowns. www.europesays.com
[● 3 SOURCES] Cuban authorities attribute the energy crisis to deteriorating infrastructure and US economic blockades. www.europesays.com · world-today-journal.com · orinocotribune.com
[● 3 SOURCES] This event marks the eighth national grid collapse in Cuba during 2026. gacetamexicana.com · www.hondudiario.com · www.europesays.com
[● 8 SOURCES] The nationwide power disconnection began on Friday, September 18, 2026. gacetamexicana.com · cubacoop.org · www.europesays.com · nachrichten.fr · orinocotribune.com · +3 more
[○ 1 SOURCE] Solar photovoltaic output reached 985 megawatt-hours during the grid recovery operations. www.europesays.com
[○ 1 SOURCE] Technicians reconnected the national transmission infrastructure on Saturday evening at 7:56 pm GMT. www.europesays.com
[● 6 SOURCES] The outage was triggered by a failure in high-voltage transmission lines in central Cuba. world-today-journal.com · gacetamexicana.com · www.hondudiario.com · cubacoop.org · cafef.vn · +1 more