Generation
Plans to expand its generation capacity include increasing hydroelectric generation by 2015[7] and commissioning the first nuclear power plant in Malaysia by 2025 if the government decides to include nuclear as an acceptable energy option.[8] In 2021, Tenaga became part owner of the repowered Blyth Offshore Wind Farm in England.[9]
In 2019, in efforts improve the efficiency, agility and performance of the company, TNB underwent an internal restructuring to split its domestic power generation and electricity retail businesses into two new wholly-owned subsidiaries. The internal restructuring was completed in 2020 following the incorporation of TNB Genco.
TNB Power Generation Sdn Bhd (TNB Genco) owns and operates thermal assets and hydroelectric generation schemes in Peninsular Malaysia. In the peninsula, it has a generation capacity of 16,283MW.[1] TNB Genco is currently Malaysia’s largest power producer contributing to 54% of the generation market share in Peninsular Malaysia.
Grid
The TNB Group has a complete power supply system, including the National Grid, which is energised at 132, 275 and 500 kilovolt (kV), with its tallest electricity pylon in Malaysia and Southeast Asia being the Kerinchi Pylon located near Menara Telekom, Kerinchi, Kuala Lumpur. The National Grid is linked via a 300 MW HVDC and 132 kV HVAC interconnection to Thailand and 230 kV submarine cables to Singapore.
TNB, through its subsidiaries, is also involved in the manufacturing of transformers, high voltage switchgears and electrical cables, consultancy services, architectural, civil and electrical engineering works and services, repair and maintenance services and fuel undertakes research and development, property development, and project management services.
Distribution Network
The Distribution Network division conducts the distribution network operations and electricity retail operations of TNB. The division plans, constructs, operates, performs repairs and maintenance and manages the assets of the 33 kV, 22 kV, 11 kV, 6.6 kV and 415/240 volt in the Peninsular Malaysia distribution network. Sabah Electricity provides the same function in the state of Sabah.
The former Distribution Division was split on 1 August 2018 following an internal restructuring to form two separate divisions; the Distribution Network division and Retail Division.
Retail
TNB's Retail Division was established in 2018 enhance collection efficiency, promote rooftop solar generation as well as push beyond kWh service offerings such as multi-utility billing, fibreto-the-home broadband, and sales of third-party products.[10]
To conduct its electricity retailing business, the Retail Division operates a network 13 state, 126 Kedai Tenaga outlets, and 3 CareLine offices. In Sabah, the management of retail activities is undertaken separately by Sabah Electricity Sdn. Bhd. [11] Services provided the division include customer service and support, electricity billing and payment, electricity supply application, advisory services on electrical fixtures, and smart energy solutions.
