Tenaga Nasional Berhad (“TNB”) wishes to inform that the Government of Malaysia (“Government”) has approved, via a Press Release titled ‘Jadual Elektrik Baharu: Lebih 23.6 Juta Pengguna Domestik Semenanjung Nikmati Kadar Lebih Adil’ issued by the Suruhanjaya Tenaga (“ST”) under the Ministry of Energy Transition and Water Transformation (“PETRA”) dated 20 June 2025, the revision of the Regulatory Period 4 (“RP4”) tariff schedule under the Incentive-Based Regulation (“IBR”) framework, effective from 1 July 2025. The new tariff schedule will replace the existing tariff schedule that has been in place since 2014.

Additionally, the Government has also approved an enhanced fuel cost adjustment mechanism known as the Automatic Fuel Adjustment (“AFA”) beginning 1 July 2025, which will replace the existing Imbalance Cost Pass-Through (“ICPT”) mechanism whilst still preserving its neutral impact to TNB.

TNB also wishes to inform that the implementation of RP4 Revised Electricity Tariff Schedule for Peninsular Malaysia is positive for TNB in delivering National Energy Transition Roadmap (“NETR”). TNB remains committed to ensure a reliable and continuous supply of electricity to all customers throughout Peninsular Malaysia.

For further details on the Revised RP4 Tariff Schedule, please refer to the ST (Energy Commission) website: http://www.st.gov.my 

This announcement is dated 23 June 2025.