National Grid Corporation of the Philippines (NGCP), as the System Operator, has announced that the continuing generation deficiency in the Mindanao grid has compelled the system to curtail the power load transmitted to grid customers from 1000H to 2200H today.
Generation deficiency occurs when the electricity supply generated from power plants is too low and may not be enough to meet the demand of power grid users.
The said deficiency is caused by the following:
- Reduced capabilities of hydro electric plants due to low elevation at water reservoirs (70% reduction in the available capabilities at Agus and Pulangi Plants)
- Non-availability of Iligan Diesel Power Plant (35 MW)
- Planned outage of Power Barge 117 Unit 2 (50 MW)
A total of around 400 MW of power is expected to be curtailed in the Mindanao grid at 1300H.
Load curtailment is implemented to ration the available power and to ensure the reliability and stability of the entire power network.
Mindanao customers are advised to coordinate directly with distribution utilities or electric cooperatives in their area for the complete list of areas affected and the schedule of power interruptions.
Meanwhile, in the Visayas grid, available capacity this afternoon is 1,188 MW while demand is 1,165 MW. Power reserve is now 23 MW, a slight improvement from the 5 MW this morning. Expected to further improve grid conditions is the cutting in and synchronization to the grid of Power Barge 102 (5 MW) at around 1700H today.
Luzon grid continues to be stable and under normal status. Available capacity in Luzon grid this afternoon is 7,376 MW while demand is 6,624 MW. Power reserve is now 752 MW
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