Power spot prices edged higher in December

MANILA, Philippines — Electricity prices at the Wholesale Electricity Spot Market (Wesm) rose in December despite higher system-wide supply, as tighter margins in the Visayas and Mindanao pushed prices upward. System-wide average supply increased by 1.2-percent month-on-month to 20,233 megawatts (MW), while average demand slipped by 0.5 percent to 13,440 MW. This resulted in a