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Cover Story | August 2014

Power 20:20 | Tata Power Delhi Distribution Ltd

Most innovative power distribution company (private sector) : Tata Power Delhi Distribution Ltd

Tata Power Delhi Distribution is aggressively using technology intervention to track theft of power in its area of distribution in North and North-West Delhi.

TPDDL has installed Automated Meter Reading (AMR) based energy systems at Distribution Transformers (DT) level and carries energy audit of all DTs on a regular basis. This helps in identification of areas in terms of energy mismatch and hence provides actionable inputs for Enforcement Teams. The technology intervention has helped TPDDL to nab power thieves in areas like Sultanpuri, Civil Lines, Bawana, Alipur, Mangolpuri, Kanjhawala, Narela, Vijay Vihar, Adarsh Nargar, Jahangir Puri, and Samai Pur Badli.

Key Success Factors

  • Distribution: TPDDL, which serves over 14 lakh registered consumer in North and North-West Delhi supplied a record 1,704 MW of peak power on July 15, 2014 against last year´s peak of 1,508 MW. On the same day Delhi also met its highest peak load, till date, of 5925 MW. To achieve reliability of power supply, TPDDL is extensively using automation and technology such as SCADA systems, GIS, DMS, OMS and SAP-ISU and has created its own N-1 power supply network.
  • Innovative technology: Tata Power Delhi Distribution has become the first Indian power utility to launch the Automated Demand Response (ADR) Project with Smart Meters in the capital. It is one of the first projects in the world where ADR and Advanced Metering Infrastructure for Smart Meters (AMR) are conceptualised together. The project is implemented in partnership with IBM, Honeywell, Landis+Gyr with participation of select industrial and commercial consumers of Tata Power Delhi Distribution, and has been rolled out post the approval of the Delhi Electricity Regulatory Commission (DERC). The project´s components include Automated Demand Response (ADR) infrastructure, Smart Meters, Radio Frequency (RF) Mesh Based Communication, Meter Data Management System (MDMS) and integration with other Operational Technology & IT systems like Outage Management System (OMS), SAP etc. This project involves around hundred 11 KV feeders, fed from 40 grid stations spread across Tata Power Delhi Distribution´s distribution area.
  • AT&C loss reduction: TPDDL has consistently overachieved its regulatory AT&C loss reduction targets including in FY14. TPDDL is working closely with low end consumers through an Integrated CSR approach which is helping in reduction of last mile losses.
  • System reliability: The company´s ASAI continued to be around 99.5 per cent in FY14. In FY14, TPDDL commissioned five 33/11 kV grid substations in Rohini, Naraina, Model Town, Wazirpur and Bawana with an intent to improve reliability and meet future load growth. In addition, auto-reclosure feature was enabled in grid circuit breaker of overhead feeders. Condition Based MaintenanceûUltrasonic and Thermo-scanning is being continuously undertaken to prevent outages. GPS mapping of cable route and joints have been undertaken for faster restoration of cable faults.
  • Performance standards: As in the past, the Company´s compliance to assurance time lines in FY14 continued to be in the range of 100 per cent with certain key services such as providing new connections (in average 3 to 5 days against DERC allowed 30 days), fault restoration (in average less than 2 hours, even in rural areas against 3 to 8 hours allowed by DERC), replacement of defective meters (2 to 3 days against 15 days allowed by DERC), being provided in significantly less (faster) time than stipulated by DERC.
  • Tata Power Delhi Distribution uses technology intervention to nab power thieves.
  • Registers 108 FIRs in April, May & June; books 440 kw of load with a billed amount of over Rs 1 crore.
  • Areas Covered : Sultanpuri, Civil Lines, Bawana, Alipur, Mangolpuri, Kanjhawala, Narela, Vijay Vihar, Adarsh Nargar, Jahangir Puri & Samai Pur Badli.

Key financials

  • TPDDL, the company´s distribution subsidiary and joint-venture with the Delhi Government, posted revenue of Rs 5,978.51 crore, up 6 per cent and PAT at Rs 333.86 crore for FY14.

Parameter Details
Company Tata Power-DDL
Ownership Joint Venture - PPP
Industry Electric Utility
Founded 2002
Headquarters New Delhi, India
Products Electric Power,
Revenue Rs. 6,008 cr
( 2013-14)
Net Income Rs. 333 cr (2013-14)
14.6 lakh
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