@behind.thenumber: Cross TNB's 800-unit cutoff by one unit and your bill jumps about RM40. By our calculation, 800 units costs RM355.44 and 801 units costs RM395.28, a step of RM39.84 (about 11%) before tax, because the fuel surcharge (3.67 sen a unit in September 2026), the RM10 retail fee and the 8% service tax all switch on at once. It is a cliff, not a slope. But 30% more electricity never doubles the bill: going from 800 to 1,040 units adds 44%, and above 1,500 units a higher rate applies that the tariff does not say how to apply. The 800 cutoff is only reported to run until 31 December 2026. What to check: every ringgit figure is our calculation from the Energy Commission tariff (27.03 + 4.55 + 12.85 sen a unit, RM10 retail fee) and September's surcharge, before the 8% service tax; the tax base is not published, so we left tax out. We assume the surcharge applies to every unit once you are over the cutoff; TNB's notices do not say so. September's +3.67 sen is one month's rate and changes monthly. The 800-unit cutoff comes from The Star's report of TNB officers on 19 September 2026; TNB's own 15 September release still says 600, and we found no TNB notice dated after 18 September. The tariff gives a higher rate above 1,500 units but does not say whether it applies to every unit or only the excess; the 58% figure is only "if every unit pays it". After 31 December 2026 we found no announcement of what happens next. This is an illustration, not a real bill. #TNB #Malaysia #ElectricityBill #AFA #Explainer #BehindTheNumber

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Monday 09 November 2026 06:30:10 GMT