Solar panels are on sale in Quiapo, Manila, on May 5, 2026, as more Filipinos turn to solar energy amid rising electricity costs. The Manila Electric Co. (Meralco) is pushing for the government to enforce stricter technical standards for rooftop solar systems and to regulate unauthorized or “guerrilla” installations, citing the need to protect consumer safety and maintain grid stability. —File photo by Niño Jesus Orbeta | INQUIRER
MANILA, Philippines — The Department of Trade and Industry (DTI) is preparing rules that would require manufacturers of solar panel systems to secure government certification, as it seeks to tighten oversight of the quality of such products entering the Philippine market.
This proposed regulation, drafted by the DTI’s Bureau of Philippine Standards (BPS), would require certification for solar photovoltaic (PV) modules or panels, battery energy storage systems, inverters, charge controllers, and cables used in both residential and commercial solar installations.
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