Tata Power Delhi Distribution Limited (TPDDL) is a JV between Tata Power and the Delhi government, with majority 51 per cent stake being held by Tata Power. TPDDL distributes electricity in the north and north western parts of Delhi, serving a populace of 6 million. The company started operations on July 1, 2002, post the unbundling of the erstwhile Delhi Vidyut Board (DVB). With a registered consumer base of 14.39 lakh and a peak load of around 1,704 MW, the company´s operations span across an area of 510 sq kms.
TPDDL has been a front-runner in implementing power distribution reforms in the Delhi and is acknowledged for its consumer friendly practices. Since privatisation, the AT&C losses in TPDDL areas have shown a record decline.
AT&C loss is a measure of the overall efficiency of the distribution business, which is the difference between units input into the system and the units for which the payment is collected. Today, AT&C losses stand at 9.87 per cent, which is an unprecedented reduction of around 81 per cent from an opening loss level of 53 per cent in July 2002.
Key success factors:
The project is implemented in partnership with IBM, Honeywell and Landis+Gyr with the participation of select industrial and commercial consumers of TPDDL, and has been rolled out post approval from the Delhi Electricity Regulatory Commission (DERC). The project´s components include ADR infrastructure, smart metres, 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 a hundred 11 kV feeders, fed from 40 grid stations spread across TPDDL´s distribution area.
AT&C loss reduction
In the last 12 years, AT&C losses have reduced from 53 per cent to 10 per cent. Of this, 3.2 per cent reduction has been through efforts in reaching to 195,000 consumers residing in 220 JJ (Jhuggi Jhopri) clusters, added into the billing net, thus resulting in additional revenue realisation of over Rs 114 crore p.a.
TPDDL´s ASAI continued to be around 99.5 per cent in FY14, thus it commissioned five 33/11 kV grid sub-stations in Rohini, Naraina, Model town, Wazirpur and Bawana to improve reliability and meet future load growth.
In addition, auto-reclosure feature was enabled in grid circuit breakers of overhead feeders. Also, Condition Based Maintenance´Ultrasonic and Thermo-scanning is being continuously undertaken to prevent outages. GPS mapping of cable routes and joints have also been undertaken for faster restoration of cable faults.
Awards and accolades
Winner of ´National Award for Meritorious Performance in Power Sector´.
Winnner of ´Best Practice Awards´ at IUKAN- 2014.
Ajay Kapoor, CFO, TPDDL awarded with ´CFO 100 Roll Of Honour 2014´.
TPDDL commissions 66/11 kV grid sub-station at Bawana.
TPDDL commences feasibility study for rooftop solar power generation.
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