Welcome to TNB Subsidiary Management Department
Empowering Excellence: Managing TNB Subsidiaries for Sustainable Growth
General Dashboard
Streamlined Governance: Insightful Dashboard for TNB Subsidiary Management Excellence.
About
Find Out More About Us

Dedicated to TNB Subsidiary Excellence
Committed to advancing TNB subsidiary excellence through innovative strategies, dedicated leadership, and sustainable growth practices, ensuring exceptional performance and value creation
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TNB SMD Board Governance
TNB SMD Board Governance ensures strategic oversight, compliance, and performance excellence across subsidiaries. It fosters transparency, accountability, and strategic alignment, driving sustainable growth and operational success
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ESG, HSE and Oversight
ESG, HSE, and Oversight: Driving Sustainability, Safety, and Excellence Together
Explore how TNB SMD drives excellence in subsidiary management through strategic oversight, robust risk management, and a commitment to sustainable growth. Discover our approach to ensuring compliance, enhancing performance, and supporting subsidiaries in achieving their full potential with innovation and integrity
Subsidiaries
Directors
Hours of Support
Partners
Services
Check Our Services
TNBX
TNBX Sdn. Bhd. is a wholly owned subsidiary of Tenaga Nasional Berhad incorporated in 2017
https://www.tnbx.com.my/TNB REMACO
TNB Remaco is a specialist in operation & maintenance, overhaul, and repair & maintenance (R&M) of energy-related industry and many more
https://www.tnbremaco.com.my/TNB ES
TNB Energy Services Sdn Bhd is a wholly owned subsidiary of TNB specializing in the provision of green energy solutions and services
https://www.tnbes.com.my/GSPARX
GSPARX Sdn. Bhd. (GSPARX) is a wholly owned subsidiary company of TNB Renewable Sdn. Bhd. (TRe), a company within the Tenaga Nasional Berhad (TNB) Group
https://www.gsparx.com/ALLO
As a wholly owned subsidiary of Tenaga Nasional Berhad (TNB), Malaysia’s largest electricity utility company, Allo is at the forefront of Malaysia’s technological evolution
https://www.allo.my/SESB
Sabah Electricity Sdn. Bhd. is Sabah electrical company that generates, transmits and distributes electricity mainly in the state of Sabah and the Federal Territory of Labuan
https://www.sesb.com.my/Portfolio
Check Our Portfolio
- All
- Services
- Collaboration
- Operations
Team
Our Hardworking Team

Datuk Ir. Megat Jalaluddin bin Megat Hassan
Chief Executive Officer Tenaga Nasional Berhad
Dr. Ir. Ahmad Jaafar Abd Hamid
Head of Subsidiary Management Tenaga Nasional Berhad
Umar Ridzuan bin Hawari
Head (Business Governance) Subsidiary Management Department Tenaga Nasional Berhad
John Jepson
External Reviewer Tenaga Nasional BerhadF.A.Q
Frequently Asked Questions
Choose some of the frequently asked questions?
The information provided in this FAQ is intended for general informational purposes only. While we strive to ensure accuracy and completeness, TNB Subsidiary Management Department (SMD) does not guarantee that all details are current or error-free. For specific inquiries or detailed information, please contact us directly. TNB SMD reserves the right to update or amend the FAQ content as needed
What is the role of the TNB Subsidiary Management Department (SMD)?
The TNB SMD oversees the performance and governance of TNB's subsidiaries, ensuring alignment with corporate strategy, compliance with regulations, and achievement of sustainable growth.
How does TNB SMD ensure subsidiary compliance?
We implement rigorous monitoring and reporting systems, conduct regular audits, and provide support to ensure that subsidiaries adhere to legal requirements and internal policies.
What strategies does TNB SMD use to manage risk?
Our risk management approach includes proactive identification and assessment of potential risks, implementation of mitigation strategies, and continuous monitoring to safeguard against potential issues.
How does TNB SMD support subsidiary performance?
We offer strategic guidance, performance metrics analysis, and operational support to help subsidiaries meet their objectives and drive overall success.
What is the role of the TNB SMD Board in governance?
The board provides strategic oversight, ensures compliance, and sets the direction for subsidiary management, fostering transparency, accountability, and effective decision-making.
Contact
Need Help? Contact Us
Address
Subsidiary Management Department
Level 10, TNB Platinum Tower B
3, Jalan Bukit Pantai, Bangsar, 59100 KL, W.P. KL
Call Us
+603-22965566
Email Us
SMD@tnb.com.my