our dedication to powering every corner of Malaysia. DEVELOP ENERGY TRANSITION NETWORK OVERVIEW The Malaysian electric grid acts as the backbone supporting the dynamic landscape of Malaysia’s energy sector. As the foundation upon which the energy transition infrastructure is built, our grid embodies the essence of resilience, innovation, and adaptability. In an era where the demand for electricity is not only increasing but also becoming more complex, TNB has been at the forefront of developing a robust grid system that caters to both today’s needs and tomorrow’s aspirations. Peninsular Sabah + Labuan 132,126.0 GWh 5,911.2 GWh Electricity Transmitted 123,252.9 GWh 6,123.5 GWh Electricity Distributed 26,093.4 Circuit-km 3,161.0 Circuit-km Transmission Lines 485 substations 49 substations Transmission Substations 19,716.0 MW 1,090.7 MW Peak Demand 98,254 substations 8,861 substations Distribution Substations 761,546.4km 27,667.7 km Distribution Lines 1,372 109 Transmission Transformers 97,771 8,707 Distributed Transformers TENAGA NASIONAL BERHAD Integrated Annual Report 2023 42 ACHIEVING OUR STRATEGIC AMBITIONS GRID DIVISION STRATEGIC DEVELOPMENTS IN 2023: SHAPING THE FUTURE OF MALAYSIA’S TRANSMISSION NETWORK In 2023, TNB’s Grid Division embarked on a pivotal journey to not only expand but also to bolster Malaysia’s 132kV, 275kV, and 500kV transmission network. This year, the division’s strategic developments were underpinned by a comprehensive plan to ensure the sustainability and vitality of TNB’s core business while unlocking Malaysia’s Energy Transition (ET) ambition. The initiatives spearheaded by the Grid Division were aimed at making the grid more flexible, supportive of Variable Renewable Energy, and capable of meeting the future electricity demands of Malaysia. Unlocking Malaysia’s ET Ambition The Grid Division focused on three main roles in 2023, each crucial for supporting Malaysia’s journey towards a sustainable energy future: Optimising Our Grid Transmission Assets through Digitalisation Recognising