[Solar: Philippines to update grid code to support solar-plus-storage and DERs]

Published: Jul 16, 2026 10:28
The Philippines’ Energy Regulatory Commission is working to modernize the country’s transmission grid through the 2026 edition of the Philippine Grid Code, aiming to better accommodate variable renewables such as solar and storage technologies including BESS and pumped hydro. The updated code will introduce technical requirements for solar-plus-storage plants and standalone storage systems using grid-forming inverters to improve grid stability and system response, alongside new cybersecurity, planning, reserve and reliability rules. ERC is also proposing reforms to net metering and distributed energy resources, including shortening net-metering interconnection timelines from 20 to 10 working days, removing the 1MW DER cap, allowing multi-site crediting and prioritizing renewable dispatch in off-grid areas. SMM believes these grid and net-metering reforms could accelerate residential, C&I solar and solar-plus-storage deployment as electricity tariffs and solar import demand rise in the Philippines.

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