Manila Electric Company is reassessing its power supply portfolio as the Philippines approaches the summer months, a period that historically brings higher electricity demand and tighter system reserves. The review reflects the utility’s ongoing effort to manage expiring contracts, evolving regulatory requirements, and growing exposure to market volatility.

As the country’s largest distribution utility, Meralco sources electricity through a mix of long-term power supply agreements, affiliated generation companies, and purchases from the Wholesale Electricity Spot Market. Over the past year, the company has acknowledged that several supply contracts are nearing the end of their terms, requiring replacement capacity to ensure reliability and price stability for customers.

The challenge lies in timing and structure. Long-term supply contracts offer predictability but require competitive selection processes and regulatory approval, both of which can take months. Spot market purchases provide flexibility but expose consumers to price spikes during periods of tight supply, particularly during plant outages or extreme weather events.

The Department of Energy and system operators have repeatedly flagged the summer season as a critical stress period for the grid. Maintenance schedules, fuel availability, and reserve margins are closely monitored, with utilities expected to demonstrate preparedness. Meralco has stated that it continues to engage regulators and generation partners to secure adequate supply while balancing cost considerations.

For consumers, the outcome of Meralco’s portfolio decisions will be reflected in generation charges on monthly bills. For the broader power sector, the review highlights recurring structural issues such as contracting delays, limited reserve margins, and the need for better alignment between generation development and demand growth. How Meralco navigates the coming months will offer insight into the resilience of the power system during peak periods.