Americas — 2026-09-22

Cuba Suffers Seventh Total Power Grid Collapse of 2026 as US Oil Blockade Leaves Island With Single Fuel Tanker Since March

BLUFCuba's grid will very likely suffer another total collapse before year-end, as the US fuel blockade, not weather or aging infrastructure, remains the binding constraint on grid viability.

Cuba's Ministry of Energy and Mines announced a nationwide blackout at 2 p.m. EDT Friday, the island's seventh total grid collapse this year and at least its 12th outage since late 2024 123. Cuban authorities told Reuters the collapse originated in a high-voltage transmission-line failure in the western/central region that triggered cascading failure across Matanzas province and the eastern grid, with state utility UNE citing "unstable weather conditions" as a contributing factor 124. By Saturday, UNE reported 48 percent of Havana customers had power restored and said restoration was proceeding "gradually, as conditions permit," while micro-grid "islands" were reactivated in Camagüey, Pinar del Río and Granma to serve hospitals and emergency facilities 13. The outage occurred amid a US-imposed energy blockade in effect since January that has allowed only a single fuel tanker to reach Cuba, in March, according to UPI 1. France 24 reported the grid also failed three times in July, with rolling blackouts since spanning 30 hours or more across most of the country 4.

Analysis
Cuba's grid will very likely suffer at least one more total collapse before January 1, 2027, since the single-tanker fuel constraint shows no sign of easing and each failure further strains an already senescent thermoelectric fleet, shortening intervals between collapses and pushing restoration past 30 hours; blockade enforcement, not weather or routine maintenance, remains the binding constraint, though a specific transmission-line fault and unstable weather in the western grid offer a competing explanation for Friday's cascade. Confidence is high, given tight convergence across four outlets on tanker counts, collapse frequency, and UNE's restoration timeline, though that consensus largely reflects shared Reuters and AFP wire sourcing rather than independent field reporting. The May-projected collapse cycle has already outrun expectations, with three additional July failures preceding this seventh. A further confirmed collapse would sharpen Washington and UN pressure for a blockade carve-on fuel and spare parts; absent one, the administration holds its sanctions posture unchallenged.
6 sources
  1. Cuba has 7th power grid collapse this year - UPI
  2. Cuba works to restore power after another major nationwide blackout - Al Jazeera
  3. Cuba works to restore power after another blackout - Jamaica Observer
  4. Cuba hit with another nationwide blackout amid US fuel blockade - France 24
  5. Cuba power grid collapse leaves millions without electricity again - CBS News
  6. Cuba sufre colapso total de su sistema eléctrico por sexta vez en 2026 - Milenio

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