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The Philippine House of Representatives approved the Energy Storage Systems (ESS) Act on February 4, 2026, with 192 votes. This legislation aims to establish a national framework for energy storage systems, enhancing grid stability and facilitating the integration of renewable energy to achieve a 50% share by 2040.

The Department of Energy will implement the framework, with the Energy Regulatory Commission setting rules for licensing and safety. The bill will proceed to the Senate for further consideration before presidential approval.