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San Miguel Global Power Holdings Corp. (SMGP), the energy arm of San Miguel Corp., is accelerating the completion of its nationwide battery energy storage system (BESS) network, reinforcing its position as one of Asia’s leading operators in the emerging technology.
In a disclosure to the Philippine Dealing & Exchange Corp., SMGP said its 1,000-megawatt-hour (MWh) BESS network is nearing full completion, with several new projects set to go online by 2026. The system, designed to store surplus electricity and release it when demand peaks, is expected to help stabilize the country’s power grid and support the integration of renewable energy sources.
New Facilities Underway
For 2026, the company plans to complete seven new sites with a combined storage capacity of about 180 MWh. It has also tapped Taiwan-based ATE Energy as the engineering, procurement, and construction partner for a 320-MWh BESS facility in Mariveles, Bataan.
Separately, two projects in Leyte and Cagayan, totaling 60 MWh, are now undergoing testing and commissioning.
SMGP has already brought online half of its target capacity—about 500 MWh as of mid-2025. Operational sites include the 30-MWh Kabankalan BESS (Phases 1 and 2) in Negros Occidental, the 20-MWh Masinloc BESS (Phase 2) in Zambales, and three facilities in Tarlac, Leyte, and Misamis Oriental with a combined 110 MWh.
Strengthening The Grid
San Miguel’s push into battery storage began in 2018 with its acquisition of the 10-MW Masinloc BESS, then owned by AES Philippines. The project was the first battery storage facility in the country and among the earliest in Southeast Asia.
The company now operates roughly 1,000 MW of storage capacity across 32 locations nationwide—marking a significant shift in the Philippine energy industry toward more flexible and renewable-driven systems.
The technology enables power producers to store electricity generated during off-peak hours, particularly from intermittent sources like solar and wind, and discharge it when demand surges. Large-scale battery storage is a key tool to enhance grid reliability and reduce dependence on fossil fuel-based peaking plants.
Financing And Clean Energy Expansion
To support its ongoing projects, SMGP’s board recently approved the issuance of senior perpetual capital securities to raise up to $300 million. A portion of the proceeds will fund its renewable energy expansion, including solar parks with a planned total capacity of 2,670 megawatts (MW) across Luzon and Mindanao. These facilities are expected to be completed by 2029.
With about 5,710 MW in total generation capacity—spanning natural gas, coal, hydro, and renewables—San Miguel Global Power is positioning itself as a central player in balancing the Philippines’ power supply mix. The company said its battery network will not only improve grid stability but also enable a smoother transition toward cleaner, more sustainable energy sources.
Source:
https://business.inquirer.net/569193/san-miguel-power-unit-to-build-more-batteries
https://business.inquirer.net/570043/san-miguel-global-power-raises-300m-from-bond-market