Welcome to TNB Subsidiary Management Department
Empowering Excellence: Managing TNB Subsidiaries for Sustainable Growth
About Us
Through Sustainable Way Forward

Dedicated to TNB Subsidiary Excellence
As a company, TNB is responsible of the transmitting, distributing and retailing electricity in Peninsular Malaysia.
At the same time, TNB has also has large pool of companies that is responsible in the supply chain of electricity, support energy transition, enhancing energy efficiency and some are emulating TNB business in others part of the world.We, Subsidiary Management (SMD), is functioning as stewardship for this commpany and supporting them to be adding value, profitable and at the same time focusing on ESG.
Our portfolio are based on industry clustering; manufacturing, services, infrastructure and utility. In near future, the industry clustering may also cover education, insurances and real-estate.
Eight Tools to Drive Subsidiary Forward
There are 8 areas that SMD is guiding and propeling the subsidiaries into larger market share, consistantly high margins and healthy business practice as shown below:
Dashboard
Data entry to create Insightful Dashboard for informed decision-making and statistical intellegence. A journey towards integrating AI.
Board Governance
Structured process for selection, driving board prowess and automation for corporate memories
Risk Management
Uplifting risk management towards risk resilience with alignment along IFRS S1 and S2, to ensure business objectives are exceeded.
Oversight
Provide best practices and self-assesment for reliable business activites to ensure high business hygiene.
General Report
For disclosure to top management, board and rating agencies. Inherently the disclosure are reported base on industry sector requirements.
Aspiration
Subsidiaries
Industry Clusters to Support Value Chain of Electricity
Our portfolio of subsidiaries are managed according to industry clusters with specific area(s) where they are adding value to the electricity supply chain, energy efficiency, energy transition and carbon management, broadband communication and energy outside Peninsular.
Electricity Supply Chain




Energy Efficiency

Energy Transition & Carbon Management

Services
SMD Key Services
SMD provide comprehensive services to support our subsidiaries and stakeholders in achieving sustainable growth and operational excellence.
Portfolio Management
Portfolio management on investment, from strategic direction and operation to yield returns.
We provide comprehensive oversight of investment portfolios to maximize value and ensure strategic alignment.
ESG Consulting
ESG consulting, from corporate strategy to capturing meaningful ESG data and providing adequate disclosure.
We help organizations to integrate sustainability into their core business strategies.
ESG Platform
Platform for ESG that covers >85% of MSCI's elements under all the 3 key ESG pillars. The ESG Platform streamlines ESG reporting and analysis for better decision-making.
The ESG Platform also cover risk management and opportunities (e.g business plan management) to align with IFRS S1 and IFRS S2.
In near future, the ESG Platform will also incorparates LLM modules, or artificial intelligence, simmilar to ChatGPT.
Emission Management
Ways to re-use and utilize the ESG data for primarily GHG's Scope 1 and Scope 2 emissions and also indirect supply chain emission. We help track, manage, and reduce carbon footprints.
Real-time Dashboard
Real-time dashboard for financial, ESG, GHG and business hygiene elements. Our interactive dashboards provide instant insights into key performance indicators for timely decision-making.
Preset Reporting
Preset reporting e.g. One Pager or Select All for disclosure preparation. Our streamlined reporting tools simplify compliance and stakeholder communications with ready-made templates.
Team
Our Hardworking Team

Datuk Ir. Megat Jalaluddin Megat Hassan
Chief Executive Officer Tenaga Nasional Berhad
Ir. Dr. Mohd Fadzil Mohd Siam
Acting Chief Strategy & Ventures Officer Tenaga Nasional Berhad
Dr. Ir. Ahmad Jaafar Abd Hamid
Head (Subsidiary Management Department) Tenaga Nasional Berhad
Umar Ridzuan Hawari
Head (Business Governance) Subsidiary Management Department Tenaga Nasional Berhad
Sirajul Huda Mohd Zain
Head (Business Strategy & Portfolio Management) Subsidiary Management Department Tenaga Nasional Berhad
Muhammad Faisal Sidek
Head (Business Performace & Growth) Subsidiary Management Department Tenaga Nasional BerhadFrequently Asked Questions
What are the roles of the TNB Subsidiary Management Department (SMD)?
The roles of TNB SMD are (1) Ensure alignment between subsidiaries and TNB Corporate, (2) Set performance target and monitor the performance, (3) Support and remove blockers to success, and (4) Enhance governance and risk management to deliver value.
What strategy does TNB SMD employs to manage risk?
Our strategy in risk management is to remove all blockers, exposures and instill resilience to ensure the subsidiaries' business objectives are achieved.
What strategy TNB SMD uses in managing multiple subsidiary boards?
TNB SMD has a structured and rigour process to select and nominate directorship of the subsidiary board members. SMD provide the necessary funndamental training for the directors to execute fiduciary duties. In addition, evaluation of the directors is being done on requirement basis.
What is the name of TNB SMD's ESG Platform
TNB SMD's ESG Platform is call Software For Investment Automation (SOFIA).
Contact Us
Address
Subsidiary Management Department
Level 10, TNB Platinum Tower B
3, Jalan Bukit Pantai, Bangsar, 59100 KL, W.P. KL