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Switchgear Manufacturing High voltage Medium voltage EPCC Engineering
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TENAGA SWITCHGEAR

Empowering a Sustainable and Electrifying Future

A Subsidiary of Tenaga Nasional Berhad

Delivering excellence in low, medium and high voltage switchgears ranging from 415V to 300kV. All products are fully type tested to ensure compliance with IEC standards.

30+ Years Experience
TSG Facility
YOUR GRID POWERED BY TSG

Switchgear
Solution

  • Tenaga Switchgear Sdn Bhd (TSG) is Malaysia’s leading Manufacturer of MV and HV Switchgear ranging from 415V to 300kV for Gas Insulated Switchgear.
  • A subsidiary of Tenaga Nasional Berhad (TNB)
    TSG provides EPCC and Turnkey Contracting, Design & Engineering, OEM Testing, Maintenance, and Technical Services.
  • Equipped with advanced manufacturing and testing facilities, TSG supports high voltage testing capabilities up to 700kV including a 500kV Mobile High Voltage Test Set.
  • TSG is actively driving energy transition initiatives including EPCC of EV Charging Stations to support a sustainable and zero-carbon future.
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What We Do

Comprehensive solutions for modern electrical infrastructure

Manufacturing Assembly 01

Manufacturing Assembly

Complete electrical solutions from control panels to 300kV switchgear, BESS systems, and EV chargers.

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Turnkey Project 02

EPCC / Turnkey Projects

End-to-end project delivery for substations, transmission lines up to 500kV, Interconnection Facilities, and EV infrastructure.

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Service and Maintenance 03

Service & Maintenance

Comprehensive maintenance, system upgrades, HV/PD testing up to 500kV, and one stop services.

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Our Solutions

OUR PRODUCTS

Comprehensive electrical solutions engineered for reliability and performance

GIS

Gas Insulated Switchgear (GIS)

A compact and sealed switchgear system with high reliability and minimal maintenance needs.

Gas Insulated Switchgear (GIS)

Superior performance with SF6 gas insulation technology. Fully type-tested to IEC standards.

  • Up to 275kV capacity
  • Minimal footprint
  • Weather-resistant
  • IEC certified
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MVS

Medium Voltage Switchgear

Ensures safe and efficient power distribution with advanced protection and control features.

MV Switchgear

Comprehensive solutions from 11kV to 33kV. Engineered for industrial and commercial applications.

  • 11kV to 33kV
  • Arc-resistant
  • Digital protection
  • Modular design
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RMU

Ring Main Unit (RMU)

Compact, factory-assembled, metal-enclosed medium-voltage switchgear for power distribution systems.

Ring Main Unit

Reliable solutions for loop and radial networks. Advanced protection and remote monitoring capabilities.

  • 11kV & 33kV rated
  • Motor operated
  • Remote control ready
  • Maintenance-free
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Compact Substation

Compact Substation

Factory-assembled unit integrating transformer, switchgear, and protection devices in a space-saving design.

Compact Substation

Complete plug-and-play solution. MV switchgear, transformer, and LV distribution in one unit.

  • All-in-one design
  • Quick installation
  • Weatherproof enclosure
  • SCADA compatible
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Feeder Pillar

Feeder Pillar

Centralized panel housing relays and control devices for safe operation and protection of electrical systems low voltage 415V.

Feeder Pillar

Centralized panel housing relays and control devices for safe operation and protection of electrical systems.

  • Centralized
  • Protected
  • Reliable
  • Efficient
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Pre-Fab

Pre-Fab Substation

A modular, transportable power solution offering fast deployment and high flexibility.

Pre-Fab Substation

Modular substations for rapid deployment. Perfect for temporary installations or emergencies.

  • Portable design
  • Quick setup
  • Relocatable
  • Full protection
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EV Charging Solutions

First Class
EV Charging
Experience for a Sustainable Future

We are committed to provide the EV charging experience as part of our continuous effort to accelerate the EV ecosystem and at the same time building our new ESG portfolios with our know-how capabilities. Let us know your specific needs and we deploy the #Recharge experience!.

Intelligent Charging

AC EV Charging

TSG EV, a smart and powerful electric vehicle charger meticulously designed to meet all your charging needs. Installation is a breeze, and with the user-friendly Chargepoint Apps, you'll have access to a plethora of useful functions.

Smart energy monitoring
Multi-layer protection
Reliable AC output
More Convenient
TSG EV Charger
Charging Power 22kW
Connector Type 2
ONLINE
68%
IoT Enabled Energy Efficient Smart Access

Planning

Provides end-to-end support through tailored design concepts, customized charging solutions.

EPCC Turnkey Project

EPCC turnkey project solutions, covering engineering, procurement, construction, installation, testing, commissioning, and project handover.

Service and Maintenance

Service and maintenance, covering inspection, troubleshooting, repair, preventive maintenance, system performance checks, spare parts support, and technical assistance.