Cuba is experiencing its second widespread power outage of the week, with the national electricity grid struggling to maintain stability.The blackout, which affects the entire island, has left residents in darkness and disrupted daily life.Officials have acknowledged the challenges facing the country's aging infrastructure, which has led to frequent power cuts in recent months.The situation has raised concerns about the reliability of Cuba's energy supply and its ability to meet the needs of its population.Previous blackouts have been attributed to maintenance issues and insufficient investment in the power grid.Experts warn that without significant upgrades, the country may continue to face similar crises.The impact of the blackout has been felt across various sectors, including healthcare, transportation, and communication.Residents have expressed frustration over the recurring outages, with many calling for urgent government action to address the problem.The incident highlights the broader challenges Cuba faces in modernizing its infrastructure and ensuring consistent access to essential services.