TNB’s New Medium Voltage Non-Domestic Tariff: How It Compares to Tariff E2 and What It Means for Your Energy Bills

Effective 1 July 2025, Tenaga Nasional Berhad (TNB) has introduced a new Medium Voltage Non-Domestic Tariff, replacing the existing E2 structure for many industrial and commercial users.

This significant change shifts customers from traditional industry-based categories to voltage-based tariffs, aiming for clearer cost reflectivity and operational efficiency.

In this article, we present:

A side-by-side comparison table highlighting key differences between the current E2 tariff and the new Medium Voltage Non-Domestic Tariff.

A simulation table showing potential monthly cost differences under typical consumption patterns, helping businesses estimate the real-world financial impact of this tariff shift.

Contact us now to find out how these changes could affect your bottom line — and what steps you might take to optimize your energy costs under the new regime.