T&D losses in DISCOMS

We all are aware of transmission and distribution in our electrified nation and along with transmission and distribution many losses are also arises.

Inefficient planning of projects, sometimes lack of investments, improper and inadequate maintenance, low plant load factor, high transmission and distribution losses, erratic supply to consumers and other issues resulted in pathetic services and perennial financial losses are some major reason behind this.

In other scenario energy losses occur in the process of supplying electricity to consumers due to technical and commercial reasons.

The technical losses are due to energy dissipated in the conductors , transformers and other equipment’s used for transmission, transformation, sub-transmission and distribution of power. The technical losses are due to energy dissipated in the conductors , transformers and other equipment’s used for transmission, transformation, sub-transmission and distribution of power. These technical losses are inherent in a system and can be reduced to a certain level.

Small theft by hooking, bypassing meters, defective meters, errors in meter reading and in estimating un-metered supply of energy are the main sources of the commercial losses when Commercial losses are added to Technical losses, it gives Transmission & Distribution (T&D) loss. There is another component of commercial losses, which is attributable to non-recovery of the billed amount, which is reflected in collection efficiency.

Program by Govt. – 

ARDRP Programme – The Government launched the Accelerated Power Development & Reform Programme (APDRP) was launched in 2001, for the strengthening of Transmission and Distribution network and reduction in AT&C losses. The scheme was launched to bring the AT&C losses below 15% in five years in urban and in high-density areas.
R-ARDRP Programme – The major problem of the previous APDRP was the inability to use the grants and failure to upgrade the system. The rechristened R-APDRP was launched with the intention to plug these loopholes and revamp the power scenario, by earmarking strict guidelines. This programme comprise of two main parts-Part-1 & Part-2

Part – 1: This part provided assistance to states for preparing the Base-line data for the project area using new technology tools in the project area having more than 4 lakh population and annual input energy of the order of 350 MU.

Part – 2: This part provided assistance for renovation, modernization and strengthening of 11 kV level Substations, Transformers/Transformer Centers, Re-conductoring of lines at 11kV level. In exceptional cases, where sub-transmission system is weak, strengthening at 33 kV or 66 kV levels was also to be considered.

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