Tuy Substation – Upgrade – 500/230/69 kV is a 500kV substation located in Tuy, Batangas, Philippines.

The Tuy Substation – Upgrade – 500/230/69 kV project’s construction has begun in 2020. The works are expected to be commissioned in 2023.


Tuy Substation – Upgrade – 500/230/69 kV project, which is an upgrade substation, will be operated by National Grid Corporation of the Philippines.

The designed voltage level of the substation is 500/230/69kV and the operating voltage level is 500/230/69kV.

The step-in voltage of the project is 500kV and the step-out voltage is 69kV. Upon completion, the substation will have a capacity of 100MVA.

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By GlobalData

Tuy Substation – Upgrade – 500/230/69 kV project development status

The development of the Tuy Substation – Upgrade – 500/230/69 kV project was approved by Energy Regulatory Commission (ERC) in 2020. The project is expected to be commissioned in 2023.

About National Grid Corporation of the Philippines

National Grid Corporation of the Philippines (NGCP) is a power transmission corporation that conducts development, expansion, and operation and maintenance of transmission system and sub-transmission system that transmits electricity. The corporation builds, operates and maintains power grid to provide electricity transmission services. It also operates metering facilities, high-voltage transmission lines, towers, and substations. The corporation offers operation and maintenance, system operation, and planning and engineering services. It has partnership with other energy industry companies. NGCP is headquartered in Quezon City, Quezon, the Philippines.


All publicly-announced T&D Line & Substation projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects is sourced through secondary information sources such as country specific utility players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.