dont know about isb but the KESC is completely fuct up in the head - My home has 3 A/C units installed out of which only one is used occasionally as nearly all the family has moved out of Pakistan. KESC have inspected the electricity system 25 times and replaced the stupid meter 15 times and put up that somehow electricity is being stolen, because our house has 3 A/Cs and the bill is very low.
What they dont understand is that not many people live in that house now.
Their logic in calculation is that if you have an A/C you are bound to use it 20 hours a day - winter or summer. They also have a calculation of a refrigerator using 600W electricity,, WTH???? it literally says 200W on it, Where they get this I have no idea - SWAG maybe.. or if you have a full auto washing machine you will run it 8 hours a day everyday 365 days a year..There are some weirdos in Karachi too who are KESC employees and they damage the meters late at night and then you the owner gets charged a huge amount for tampering it - btw the meter is out on the street - hence should not be the responsibility of the consumer.
An incident happened about 5 months ago in Karachi and, I looked at a recording of my home camera installations and saw the face of the guy - matching the face of the guy who showed up with the "INSPECTOR" of KESC.. - A little phone chat and showing of the video made them say "bhai ghalti hogayee" - eff you - you should die and you kids should starve... Dont know if he ever lost his job but I did my bit.
Magically the meter remained intact after that - but they have changed it many times afterwards due to the bill amount issue.