asset management and facility management Malaysia REV Platinum Sdn. Bhd. 100% 100% Property investment, property management, asset management and facility management Malaysia REV Zenith Sdn. Bhd. 100% 100% Property investment, property development, project management, asset management and facility management Malaysia NOTES TO THE FINANCIAL STATEMENTS 31 December 2023 TENAGA NASIONAL BERHAD Integrated Annual Report 2023 344 49 LIST OF SUBSIDIARIES (CONTINUED) The list of subsidiaries of the Group is as follows: (continued) Name of subsidiary Group’s effective interest Principal activities Country of incorporation 2023 2022 Sabah Electricity Sdn. Bhd. 83% 83% Business of generation, transmission, distribution and sales of electricity and services in Sabah and the Federal Territory of Labuan Malaysia Subsidiary of Sabah Electricity Sdn. Bhd. Elopura Power Sdn. Bhd. 83% 83% Dormant Malaysia Tenaga Switchgear Sdn. Bhd.60% 60% Principally engaged in the business of assembling and manufacturing of high voltage switchgears and contracting of turnkey transmission substations Malaysia Subsidiaries of Tenaga Switchgear Sdn. Bhd. PT. Tenaga Nusa Bakti* 57% 57% Dormant Indonesia TSG Ormazabal Sdn. Bhd. 36% 36% Assembling, manufacture, test, reconditioning, distribution and other sources of medium voltage switchgear and control gear for transmission and distribution of electric power Malaysia TNB Energy Services Sdn. Bhd. 100% 100% Generating, distributing, supplying, dealing, selling of different kinds of energy sources and related technical services Malaysia Subsidiaries of TNB Energy Services Sdn. Bhd. MAEVI Sdn. Bhd. 70% 70% Dormant Malaysia Tenaga E Mobility Solutions Sdn. Bhd. 100% 100% Dormant Malaysia TNB Engineering Corporation Sdn. Bhd. 100% 100% Principally engaged as turnkey contractors, energy project development specialising in district cooling system and co-generation including operation and maintenance works Malaysia Subsidiaries of TNB Engineering Corporation Sdn. Bhd. Bangsar Energy Systems Sdn. Bhd. 100%