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Thursday, April 28, 2005

TNB bil elektrik

Carian dari TNB website merujuk kepada cara pengiraan bill adalah seperti berikut.

The following is an example of how a bill is calculated:-
Take a current meter reading. Example: 022306 Subtract the last or previous month's meter reading figure as stated in the bill
Example of previous month's meter reading 022086 Amount consumed: 022306 - 022086 = 220 units
The calculation for a domestic customer's bill is as follows:-First 200 units @ 21.8 sen per unit = RM 43.60 Next 20 units @ 25.8 sen per unit = RM 5.16 Amount to be paid = RM 48.76. Customers need not to worry about the accuracy of calculation on their bills because meter readings and bill calculations are done by experienced Meter Readers.
However, should there be any error, adjustments will be made on the following month's bill.

Bagaimana kita boleh tahu pelarasan tersebut betul? itulah yang susahnya. . .
Saya merujuk kepada e-mail dari seorg rakan berkaitan bil yang dia terima.

" Bil March : Period : 26/02 to 20/03 { 22 days }
Units used : 147 x 0.218( Tarif A) ==> RM 32.05
142 x 0.258( Tarif B) ==>RM 36.64
===========
289
RM 68.69 Average daily units : 13.13 / day

Current Bil ( April)Period : 20/03 to 25/04 { 36 days }
Units used : 200 x 0.218( Tarif A) ==> RM 43.60
273 x 0.258( Tarif B) ==> RM 70.43 =================================
473
RM 114.11 Average daily units : 13.13 / day

The March period was so short that the units for Tarif A has been pro-rated. As for April, the period is much longer, but the calculation of units is as normal. So number of units used is more, and more units will go under Tarif B - so TNB gets more from us.

I have re-calculated the above bills, assuming the period is monthly (about 30 days).
March : 26/02 to 26/03 { 28 days}
Units used ( based on units/day) :
368 ==> 200 x 0.218 = 43.60
168 x0.258 = 43.34
===============
RM 86.94
April : 26/03 to 25/04 { 30 days}
Units used :
394 ==> 200 x 0.218 = 43.60
194 x 0.258 = 50.05
===============
RM 93.65

As we all can see, the sum of original two bills is 182.8, while the sum of re-calculated bills is 180.59. The difference is about RM 2.00. Just imagine how much TNB gets from all of us Malaysians. "
Kalau lah ada sesiapa yang boleh membantu membetulkan pengiraan ni. . .

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