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1 Understanding And Simulating Tnb'S 2025 New Electricity Tariffs For Domestic Use And Its Impact On Vulnerable Domestic Households

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  • Bin Ramli, Muhammad Sukri

Abstract

Effective July 1, 2025, Tenaga Nasional Berhad (TNB) has implemented a new electricity tariff structure aimed at promoting energy-efficient practices. While this restructuring enhances transparency in billing, a critical analysis of the Time of Use (ToU) scheme reveals a significant potential disadvantage for vulnerable, stay-at-home groups. This report specifically analyzes how the new tariff structure, particularly the ToU scheme with its defined peak hours, may financially penalize households whose electricity consumption during these hours is a necessity rather than a choice. These vulnerable groups include retirees, parents with small children, work-from-home professionals, and those caring for the sick. This report provides an in-depth analysis of Tenaga Nasional Berhad's (TNB) restructured electricity tariffs in Peninsular Malaysia, effective July 1, 2025. It specifically focuses on the domestic sector, covering the key changes in the tariff structure, explaining how a household's bill is calculated, and presenting simulations demonstrating the financial impact on different domestic household types, including the perceived benefits of shifting electricity consumption habits.

Suggested Citation

  • Bin Ramli, Muhammad Sukri, 2025. "1 Understanding And Simulating Tnb'S 2025 New Electricity Tariffs For Domestic Use And Its Impact On Vulnerable Domestic Households," OSF Preprints y4sc2_v1, Center for Open Science.
    • Handle: RePEc:osf:osfxxx:y4sc2_v1
    DOI: 10.31219/osf.io/y4sc2_v1
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