Cuba's national electrical grid collapsed after a substation failure, leading to widespread blackouts, including in the capital, Havana. The Energy and Mines ministry reported that the failure occurred at 8:15 p.m., causing a significant loss of power throughout western Cuba. Previous outages had already interrupted electricity services for much of Thursday. The country's aging electrical infrastructure, largely reliant on crude oil imports from Venezuela, has struggled to maintain functioning power generation, resulting in hours-long rolling blackouts that have plagued Cuba for months.
The breakdown at around 8:15 p.m. caused the significant loss of power in western Cuba and with it the fall of the national electricity system.
Cuba's electrical grid and oil-fired power plants are old and falling apart. Constructed decades ago, they are scarcely maintained, making them prone to malfunction.
Cuba has been suffering rolling electricity blackouts and supply interruptions for months, as the country's antiquated power generation system is in near-total disarray.
According to the International Energy Agency, Cuba uses crude to generate 80% of its electricity and depends on crude imports from Venezuela.
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