Dato’ Ir. Hasmarizal bin Hassan

Dato’ Ir. Hasmarizal bin Hassan is the Chief Grid Officer of Tenaga Nasional Berhad (TNB), appointed on 16 April 2024. He brings over 29 years of experience spanning engineering and design, operations and maintenance, and asset development within TNB’s Grid Division.

In his role, he is responsible for steering the division’s long-term sustainable growth and profitability through effective resource management and optimisation. He plays a pivotal role in advancing TNB’s contribution to the ASEAN Power Grid and the energy transition agenda, while supporting the timely and reliable supply of electricity to data centres.

He holds a Master of Business Administration (MBA) from Universiti Tenaga Nasional/Melbourne Business School and a Master of Engineering (M.Eng) from Imperial College of Science, Technology & Medicine, University of London.

He also serves as Chairman of TNB Research Sdn. Bhd. and as a board member of TNBPG Hydro Nenggiri Sdn. Bhd. and Tenaga Switchgear Sdn. Bhd.