In the billing we can avoid only the maximum demand.Other items are normal usage.
2)The maximum utilitlization load record in past three year is 1830kw.But in the bill is denoted as 965kw(As per TNB statement to Helen).
3)We can avoid the maximum demand by not to turn on heater element during peak hour (8AM to 10PM ).
4)If we turn on the tamper machine in the day time then we have to pay 362kw*37RM .Which is about 13500rm every month.The 362kw will vary every month.
5)In another way improve the powerfactor by adding capacitor bank for that particular station.