The Aboitiz Group remains the country's largest power generation group, accounting for about a fourth of the market, according to the latest data from the Energy Regulatory Commission (ERC).
The group's parent company, Aboitiz Equity Ventures, Inc. (AEV), has an aggregate capacity of 6,850.63 megawatts (MW), equivalent to a 24.3% national market share, making it the leading player in the country's power generation landscape.
AEV's dominance is not limited to the national market, as it also has the largest market share in Luzon, the Visayas, and Mindanao, with 27.53%, 16.99%, and 14.85%, respectively.
San Miguel Corp. ranks second with 5,533.08 MW of capacity, equivalent to a 19.62% share, followed by Lopez-led First Gen Corp. with 3,028.42 MW, representing 10.74% of the market.
Ayala Corp.'s listed energy platform, ACEN Corp., ranks fourth with 1,948.58 MW, equivalent to a 6.91% market share, while Manila Electric Co. (Meralco) ranks fifth with 1,889.67 MW.
Under the Electric Power Industry Reform Act of 2001, no company may own, operate, or control more than 30% of installed generating capacity per grid and 25% nationwide.
The ERC has set the allowable installed generating capacity for the national grid at 28,197.05 MW, lower than the 28,390.07 MW set as of July 30, 2025.
By grid, the regulator set the maximum generating capacity at 20,422.81 MW for Luzon, 3,478.32 MW for the Visayas, and 4,295.92 MW for Mindanao, aligning with its mandate to promote free and fair competition in the generation and supply of electricity.
