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  1. Market Data
August 30, 2021

Tambun Substation, Indonesia

By Carmen

Tambun Substation is a 500/150kV substation located in Tambun, West Java, Indonesia. The construction works on Tambun Substation began in 2018. The project was commissioned in 2020.


The Tambun Substation project is a new substation being operated by PT PLN (Persero).

The designed voltage level of the project is 500/150kV, while the operating voltage level is 500/150kV.The step-in voltage of the substation is 500kV and the step-out voltage is 150kV. The substation capacity is 1,000MVA.

Tambun Substation has received approval from Ministry of Energy and Mineral Resources of Republic of Indonesia to undertake the works on the project.

About PT PLN (Persero)

PT PLN (Persero) is a state-owned electric utility. It has presence in the energy value chain, from power generation and construction of power plants to transmission, distribution and retail sales of electricity. The company owns and operates hydro, geothermal, steam-turbine, combined cycle, gas-turbine, diesel and other power plants; and procures energy from independent power producers. PLN also offers services such as electricity consultation and construction and installation and maintenance of electrical equipment.


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.

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