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Transformer Details

Distribution Transformers

In BESCOM, the existing No.of Distribution Transformers as at end of Oct-22 is 468482 no’s. The Transformers failed during 2022-23 for the month of Oct-22 is 2070 No’s. On an average around 36,500 Nos of Transformers are added every year. The Transformers existing , failure and the failure rate for the last 3 years are as follows:

Financial year



% failure










455604 35987 7.90


468482 21116 4.51


  1. The Transformers failure is due to Overloading, un-authorized connections, aging of Transformers, manufacturing defects. During the previous year on an average, about 32,000 transformers fail in a year and average cost of their repairs is about Rs. 75.00 crores.   Nearly 93% of transformer failure occurs in rural areas.
  2. There are 45 nos of transformers repair centers established in BESCOM jurisdiction at taluka level to repair the failed DTRs. In addition to this, Work Award has been issued to M/s Kavika Ltd, Bangalore for repairs and reconditioning of failed Distribution Transformers.
  3. Buffer stocks of repaired good transformers are kept in the 25 No’s of Divisional Stores and 49 No’s of Transformers Banks. Further as at the end of Oct-22 there are 5756 No’s & 1413 No’s of New & repaired good Transformers are available at Stores & bank respectively. Failed transformers are replaced as per the K.E.R.C norms by using the transformers available at divisional stores and the banks.
  4. Consumers can register their complaints regarding transformer failure in PGRS application. The acknowledgement will be sent to consumers through SMS.


Month  Report 
Oct-22 Download
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Last Updated: 15-11-2022 12:26 PM Updated By: Admin

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