Tenaga Nasional Berhad (abbreviated as TNB; TENA, MYX: 5347), also known as Tenaga Nasional or simply Tenaga, is the Malaysian multinational electricity company and is the only electric utility company in Peninsular Malaysia and also the largest publicly-listed power company in Southeast Asia with MYR 99.03 billion worth of assets. It serves over 8.4 million customers throughout Peninsular Malaysia (except Sarawak) and the East Malaysian state of Sabah through Sabah Electricity Sdn Bhd. TNB's core activities are in the generation, transmission and distribution of electricity. Other activities include repairing, testing and maintaining power plants, providing engineering, procurement and construction services for power plants related products, assembling and manufacturing high voltage switc