Tenaga Nasional Berhad is the largest Electric utility company in Malaysia and also the largest power company in Southeast Asia with MYR 69.8 billion worth of assets. It serves over seven million customers throughout Peninsular Malaysia and also the eastern state of Sabah through Sabah Electricity Sdn Bhd. TNB's core activities are in the generation transmission and distribution of electricity.
Tenaga Nasional is founded in Kuala Lumpur, Malaysia,
Key people are Che Khalib Mohamad Noh and Leo Moggie.