CEBU CITY—Power consumers in the Visayas have been advised to prepare for possible rotational brownouts because the energy supply may be lower than what is needed by the six Visayan islands interconnected in the grid. The National Grid Corporation of the Philippines (NGCP), in an advisory released Friday, said the Visayas grid experienced a 'system disturbance' on Thursday and initially raised a 'red alert' status before downgrading it to 'yellow alert' by 6 p.m. of Friday. A yellow alert, it said, means that there was a power supply deficiency and that the demand for electricity was higher than the available supply.

https://newsinfo.inquirer.net/1762545/frequent-outages-seen-in-the-visayas

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