Yong Peng East Substation is a 500/275kV substation located in Johor, Johor, Malaysia. The construction works on Yong Peng East Substation began in 2015. The project was commissioned in 2018.


The Yong Peng East Substation project is a new substation being operated by Tenaga Nasional.

The designed voltage level of the project is 500/275kV, while the operating voltage level is 500/275kV.The step-in voltage of the substation is 500kV and the step-out voltage is 275kV. The substation capacity is 2,100MVA.

Yong Peng East Substation has received approval from The Energy Commission to undertake the works on the project.

Contractors involved

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Pestech Sdn was appointed by Tenaga Nasional to undertake design and construction works of the Yong Peng East Substation.

About Tenaga Nasional

Tenaga Nasional Bhd (TNB) is an electric utility. Its operations cover the electricity production and supply value chain, including generation, transmission, and distribution of energy. It develops, operates, and maintains a portfolio of power generating units. The company produces electricity using the crude oil, hydro, natural gas, coal and gas sources. TNB also supplies transformers and switchgears in Brunei, Saudi Arabia, Pakistan, Thailand, Vietnam, and Indonesia; has interests in district cooling facilities in the UAE; and provides operation and maintenance services in Saudi Arabia, Kuwait and Pakistan.


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.