- CEO
- Shamsul bin Ahmad
- Full Time Employees
- 35,476
- Sector
- Utilities
- Industry
- Electric utilities
- Address
- TNB Platinum Kuala Lumpur WP Malaysia 59100
- IPO Date
- May 28, 1992
- Business
- Tenaga Nasional Berhad (TNB) is Malaysia's largest electric utility, engaged in the generation, transmission, distribution, and sales of electricity primarily in Peninsular Malaysia, Sabah, and Labuan; the company supplies power to 10.6 million customers through a network encompassing thermal power plants using coal and natural gas, hydroelectric facilities including large hydro schemes, and a 132kV-500kV National Grid interconnected with Thailand and Singapore. Core operations span power generation led by wholly owned subsidiary TNB Power Generation Sdn Bhd (TNB Genco) with 13.76GW contracted capacity and nearly 51% market share in Peninsular Malaysia; transmission and grid management; distribution across 33kV to 415/240V networks; and retail services via TNB Retail Sdn Bhd offering customer-centric solutions including smart energy for residential, commercial, industrial, SME, and micro-business segments. Additional services include engineering procurement construction, operation and maintenance via TNB Repair and Maintenance Sdn Bhd (REMACO) with international projects in Saudi Arabia, Pakistan, Kuwait, and Cambodia; renewables through TNB Renewables Sdn Bhd managing solar, wind, and hydro assets totaling over 3GW in Malaysia and 1GW abroad in the UK, Ireland, Turkiye, and Australia; manufacturing of transformers and high voltage switchgears by subsidiaries like Malaysia Transformer Manufacturing Sdn Bhd and Tenaga Switchgear Sdn Bhd; fuel services; research and training via TNB Research Sdn Bhd and TNB Integrated Learning Solution Sdn Bhd; and e-mobility solutions. Founded in 1949 and headquartered at 129 Jalan Bangsar, Kuala Lumpur, TNB operates internationally with subsidiaries and associates in the UK, Ireland, Turkiye, Saudi Arabia, Kuwait, Pakistan, India, Cambodia, Australia, Mauritius, and Spain. Recent developments encompass a RM42.9 billion capital expenditure plan for 2024-2030 to accelerate energy transition with investments in large-scale solar (LSS5+, LSS6), battery energy storage systems including a 400MWh ASEAN-largest project in Sabah, corporate renewable schemes (CRESS) such as a landmark up-to-500MW agreement with DayOne in 2025, green hydrogen pilots with Petronas, carbon capture initiatives, electric mobility, and smart grid for ASEAN Power Grid; a December 2024 renewable energy supply agreement with Sembcorp Power under Malaysia's CBES RE scheme via Energy Exchange Malaysia (ENEGEM) following a September 2024 interconnection pact with SP PowerAssets; and sustained emphasis on net-zero by 2050 through brown-to-green shifts and operational excellence.