Visayas grid yellow alert
Analysis based on 6 articles · First reported May 19, 2026 · Last updated Jun 09, 2026
The repeated yellow alerts in the Philippines — Visayas grid, issued by the National Grid Corporation of the Philippines, signal potential power interruptions, which could negatively impact businesses and economic activity in the Philippines — Visayas region. The forced outages of major coal plants like Aboitiz Power — Therma Visayas Inc., KEPCO SPC Power Corporation, and Global Power Synergy Corporation — Panay Energy Development Corporation highlight vulnerabilities in the power supply chain, potentially leading to increased energy costs or investment uncertainty in the Philippine power sector.
The National Grid Corporation of the Philippines has repeatedly issued yellow alerts for the Philippines — Visayas grid due to a significant power supply deficit. This shortage is primarily caused by the continued unavailability of several major coal plants, including Units 1 and 2 of Aboitiz Power — Therma Visayas Inc., Unit 2 of KEPCO SPC Power Corporation, and Unit 3 of Global Power Synergy Corporation — Panay Energy Development Corporation. These outages, combined with high power demand, have resulted in hundreds of megawatts being unavailable to the grid. A yellow alert indicates that the operating margin is insufficient to meet contingency requirements, raising concerns about the stability of the power supply in the Philippines — Visayas region.
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