Our Story

TSG provides the ultimate services in manufacturing of High and Medium Voltage Switchgear products, Project Management, Turnkey Contracting, testing services, maintenance and engineering consultation.

Our product ranges from 11kV up to 300kV switchgears mainly disconnector, gas circuit breakers, gas insulated switchgears and its ancillary equipment. We are proud to introduce the newly advanced green technology and less maintenance requirement for medium voltage switchgears which is easy to install, simple and yet robust design.

TSG also offesr Turnkey Contracting of Transmission & Distribution Substation with our specialized engineering design team in substation design. We have successfully completed various key major projects including erect, testing and commissioning the substations namely KLIA2, KL Pavillion, Damansara City, Sunway Velocity, Port of Tanjung Pelepas and Data Centre Cyberjaya.

We also specialize in maintenance and testing services for other OEM switchgear equipment such as Elin Holec, Merlin Gerin, etc. by performing standard routine tests, overhaul and coupling works. TSG owns a Mobile HV Test set that broadly used at all substations that requires high voltage injection withstand test.

Since its incorporation in 1994, Tenaga Switchgear Sdn. Bhd. (TSG), a subsidiary of Tenaga Nasional Berhad (TNB) has been in the manufacturing of High Voltage Switchgears business in Southeast Asia for the electrical transmission system for the past 20 years.

Today, our portfolio has expanded to Medium Voltage for the electrical distribution system with the establishment of our latest subsidiary, TSG Ormazabal Sdn. Bhd. (TO). TSG also committed to bring extensive values across our borders through our wholly owned subsidiary; Tenaga Middle East Electric Contracting L.L.C.

TSG is accredited with ISO QMS 9001:2008, ISO EMS 14001:2015, and OHSAS 18001:2007 to sustain high quality innovativeness, safety work culture, efficiency and product compliance as well as risk assessment. All TSG products are also has been type tested and validate by international accredited laboratories to comply with International Electrotechnical Commission (IEC) standards.

Our assembly facilities is strategically located at Kota Damansara with annual manufacturing capacity of 100 bays of Gas Insulated Switchgear (GIS-145kV to 300kV), 250 sets of High Voltage Gas Circuit Breakers (GCB-145kV to 300kV), 500 sets of High Voltage Disconnectors (DS- 145kV to 300kV), 250 sets of Medium Voltage Gas Insulated Switchgear (GIS-33kV) and 500 sets 11kV GIS.

Scroll Up