The average electricity price at the Wholesale Electricity Spot Market (WESM) decreased in September to its lowest point in seven months, settling at P3.04 per kilowatt-hour (kWh).
This decline was attributed to a 0.5% increase in system-wide supply to 20,712 megawatts (MW) and a 2.9% decrease in demand to 13,640 MW, widening the margin between supply and demand.
No major plant outages occurred during the September billing period, which contributed to the overall price decrease.
In Luzon, prices fell due to lower demand and higher supply, even with increased power exports.
The Visayas grid saw prices decline alongside reduced power flow from Mindanao.
Conversely, Mindanao prices dropped amid lower export volumes to the Visayas.
The September 30 earthquake in the Visayas, which caused transmission line and generator trippings, will be settled in the October billing period and did not affect September's prices.
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