Non Technical Losses (NTL) in Power transmission/distribution system


Non Technical losses, power theftIN the power system the transmission and distribution of electrical energy involves many losses. Some of these losses can be precisely defined and are termed technical losses. While other losses occur during transmission and distribution of electrical energy and involve non – technical parameters. The total non – technical losses (NTL) cannot be computed precisely. Moreover, it is very difficult to control and reduce the losses.

The NTL includes but not limited to electricity theft. Electricity theft has severe and dangerous effects.

Primarily, electricity theft affects the utility company by overloading the generation unit and then its consumers.

The overload can trip the generation unit interrupting power supply to all consumers and can lead to even blackouts.

Electricity theft is a serious concern for utility companies like the KESC as they are under threat of these economic losses. Eventually utilities like the KESC cannot invest in researching or implementing measures to reduce power outages and loadshedding.

In the light of these issues, utility companies are forced to impose excessive tariffs on honest consumers because they cannot bear total losses solely by themselves. Hence, we as an honest consumer suffer.

The government, as well as all political parties, should seriously look into this matter and come out with the solutions to stop electricity theft. Moreover, the government should provide adequate security to KESC officials in the mission of end electricity theft.


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  1. #1 by Aamir Habiby on December 8, 2012 - 9:28 pm

    true that .. if only someone would take some action on this :S

    • #2 by Hammad_Ansari on December 11, 2012 - 3:42 pm

      The solution lies in Privatization of power distribution and transmission companies. The private owners are more concern towards power theft and line losses since it effects the profits. A company under Government are least interested in addressing the said issue.

  2. #3 by joel on May 31, 2013 - 3:43 pm

    This is really helpful. I wish we could change links. Thanks. Power Systems Loss

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