The electricity theft has appeared as a major problem in power divisions in particular in the expanding countries. A vast amount of income is lost due to this theft. In some nations this is so strict that governments are acquiring losses instead of income. In some cases government has to supply subsidies to the power division to keep a reasonable price of power. The economic loss results in lack of funds for savings to develop the existing capacity of electricity.
As a result government has not succeeded to assure the ever rising demand of electricity. Robbery electricity, avoiding a meter, billing wrongdoings and not paid bills. Billing irregularity comprises wrong meter reading taken by bribed service man. Different technical and non technical techniques were projected in the past to notice electricity stealing. Some of the technical methods to identify pilferage are utilize of central observer meter on harmonic generator, secondary terminals of distribution transformer, extreme learning machine, genetic support vector machines & a power line impedance technique.