Learn About
WHO WE ARE

Topaz Jaya Sdn Bhd is already established in water and sewerage project.

We are well positioned to expand into high- voltage infrastructure contractor, transmission and substation works under experienced technical leadership with extensive Tenaga Nasional Berhad (TNB) project exposure.

Our Strength

WHY CHOOSE US

  • Proven Experience

    Proven track record in executing TNB projects with full compliance to technical, safety, and operational requirements.

  • Fast Track Projects & Programmed Recovery

    Experienced in fast-track and project recovery execution for TNB and data centre developments, achieving timely delivery under demanding schedules.

  • Technical Expertise

    Experienced in UGC, PMU substation, and overhead line technical design with strong site coordination and project execution capability.

Our Services

WHAT WE DO

Emphasizing our integrated service offerings, proven expertise in 500kV, 275kV and 132kV high-voltage cable systems, PMU substation and overhead line infrastructure, as well as our structured project management approach and competitive strengths within the industry.

High Voltage Cable System
(UGC)

Our team consists of experienced engineers with strong expertise in 500kV, 275kV and 132kV HV cable works (UGC), engineering design, and project execution, delivering projects in accordance with the highest technical and quality standards across all stages of the project lifecycle.

High Voltage 500kV, 275kV & 132kV (GIS) (AIS) Substation

Our engineering team is experienced in the design of both Gas-Insulated Substations (GIS) and Air-Insulated Substations (AIS), covering 275kV and 132kV systems, as well as associated PMUs and overhead lines, ensuring projects are executed efficiently and sustainably.

Check Out
Our Team Experience

The following projects showcase the prior experience and contributions of our team members.

275kV OVERHEAD LINE & TRANSITION YARD YU AO DATA CENTRE

275kV UNDERGROUND CABLE YU AO DATA CENTRE

132kV UNDERGROUND CABLE LILO FOR TEXAS INSTRUMENTS MALAYSIA

500kV SWITCHYARD PMU LENGGENG

275kV UNDERGROUND CABLE FROM PMU BAYAN LEPAS TO PMU INTEL PELICAN

500kV PMU OLAK LEMPIT (OLPT)