Battery energy storage systems (BESS) are drawing increasing attention from energy sector stakeholders as the Philippines accelerates renewable energy development and works to strengthen grid reliability, according to discussions held during a recent industry seminar in Manila.

The session, organized by Trinasolar through its energy storage arm Trina Storage, gathered representatives from the Department of Energy (DOE), DNV Philippines, and S&P Global Energy to discuss grid integration, system stability, and the role of storage technologies in supporting higher levels of solar and wind generation.

The discussions come as the Philippines targets a 35% renewable energy share in the power generation mix by 2030.

As more renewable energy projects enter the grid, developers and grid operators are increasingly assessing how storage technologies can help maintain system reliability and manage fluctuations in power supply.

One of the technologies highlighted during the seminar was grid-forming BESS, which can independently regulate voltage and frequency even without direct grid support.

Industry stakeholders said the technology is becoming an important area of interest as renewable energy penetration increases across the country.

Trina Storage also shared insights on how solar-plus-storage systems are being deployed in international markets.

According to the company, co-located photovoltaic (PV) and BESS configurations can help manage the intermittency of renewable energy generation while improving overall system performance.

“We are seeing increasing interest in how solar and storage can be deployed together,” said Dr. Leo Zhao, Head of Storage, Asia Pacific, Trina Storage.

“As the market evolves, integration and system design will become more important considerations for developers,” he added.

The seminar also featured a panel discussion titled “From Grid Need to Bankable BESS Deployment in the Philippines,” which included DOE Officer-in-Charge Edward Neri, DNV Philippines Business Development Head Maxine Imperial, Philippine Solar and Storage Energy Alliance President Ping Mendoza, and Zhao.

Trinasolar noted that it has been active in the Philippine solar market since 2013 as a module supplier and is now expanding its focus to include energy storage solutions.

The company said the move reflects broader market trends toward hybrid renewable infrastructure that combines solar generation and battery storage systems.

As the Philippines continues increasing renewable energy capacity, can battery storage technologies provide the grid stability needed to support the country’s long-term clean energy transition?

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