1. POWER GRID CORPORATION OF INDIA LTD. W E L C O M E S Shri P. Shankar Chief Vigilance Commissioner At NORTHERN REGIONAL LOAD DISPATCH CENTER 25 th March 2004

2. Regional Grids Of India

3. Inter Regional Links  Present IR Capacity: 8,500 MW  To Go up to 30,000 MW By 2012 2000 MW 500 MW1000 MW 500 MW 1200 MW

4. Functions Of RLDC  Apex Body For Integrated Grid Operation  Responsible for Optimum Scheduling and Dispatch of Electricity  Keep Accounts Of Electricity Transmitted Through Grid  Supervise and Control The Inter – State Transmission System  Ensure Security and Economy In Operation as per the Grid Standards and the Grid Code

5. RTU SUB LDC SLDC ERLDC WRLDCNRLDCSRLDCNERLDC NLDC 32 Nos. 51 Nos. 1160 Nos. Unified Scheme – National Setup Plant/Sub Station Level Group of Distt. Level State HQ Level Region Level National Level 5 Nos.

8. Improvements by POWERGRID  Considerable Betterment of System Parameters viz., Frequency & Voltage in spite of Minimal Addition in ResourcesBetterment of System Parameters  Establishment of True Merit Order in Operation Leading to Economy At Country LevelTrue Merit Order  Introduction of modern State-of-the-art technology in grid operation by introduction of ULD & C Schemes.ULD & C Schemes  Introduction of tailor made commercial mechanism viz., ABT – Most suited to Indian peculiarities ABT  Better communication facilities  Transparency in grid operation and Paperless working at RLDCsPaperless working  Quantum leap in intra and Inter Regional Power TradingInter Regional Power Trading  Infused Grid Discipline

9. To utilize spare capacity of ULDC schemes and maximize return on its transmission infrastructure, POWERGRID decided to diversify into Telecom Through an incremental investment Telecom networks on Transmission Infrastructure Sturdy & secure rodent menace free vandalism proof Only utility in the country providing overhead fibre optic cable for telecom networks DWDM/SDH equipment deployed Scalable to Terabit Capacity Obtained IP-II license in Jan 2001 and ISP Category-A license in May 2003 POWERGRID ’ s DIVERSIFICATION INTO TELECOM

10. All India Fibre Optic Network of 20,000 kms, spread over 60 cities including all Metros & major cities Links under commercial operation Delhi-Lucknow -Mumbai Delhi-Ambala-Chandigarh-Shimla Delhi- Jaipur Mumbai-Ahmedabad Within NER Cochin-Bangalore Maintaining availability of 100% on overhead OFC network POWERGRID’s BROADBAND NETWORK POWERGRID ’ s DIVERSIFICATION INTO TELECOM

11.  Complete network to be in place by mid 2004  Hyderabad, Bangalore, Cochin Mar, 2004  JammuMar, 2004  Jallandhar Mar, 2004  Pune Mar, 2004  ChennaiApr, 2004  Allahabad, Kanpur, Agra May, 2004  Kolkatta, NER June 2004  Trivandrum June 2004 POWERGRID’s DIVERSIFICATION INTO TELECOM

12. Panipat Ambala Nasik Vadodra Udhampur NEW DELHI Lucknow KOLKATA MUMBAI HYDERABAD CHENNAI BANGALORE Dadri Moradabad Jabalpur Itarsi Indore Ahmedabad Nellore Ramagundam Chandrapur Bhilai Vindhyachal Kanpur Allahabad Chandigarh Shimla Jaipur Vijayawada Vishakapatnam Cuttack Jamshedpur Rourkela Pune Surat Raipur Mysore Madurai Trichy Salem Coimbatore Agra Ludhiana Jallandhar Jammu Varanasi Patna Nagpur Bhopal Kozikode Trichur Cochin Trivandrum Dhule Misa Agartala Shillong Imphal Kohima Tezpur Guwahat i Bhubaneswar Meerut Siliguri Link to Bhutan Alwar Khammam Bongaigaon Sasaram Durgapur Gurgaon Legend: Kishenpur Moga Gooty Jeypore Farakka Korba Hisar Bawana Hamirpur Kolar Udumalpet Kot a Links under operation Links under Implementation POWERGRID BROADBAND TELECOM NETWORK Pampore Srinagar Amritsar Gandhinagar Bhuj Itanagar Aizwal Pathankote Jodhpur Jaisalmer Ujjain Bikaner Pokharan Jamnagar Udaipur Ballabhgarh Biharsharif

13. OVERHEAD FIBRE OPTIC CABLE INSTALLATION OPGW ALUMINIUM TUBE ACSR STRANDS FIBRE POWERGRID ’ s DIVERSIFICATION INTO TELECOM

14. Customer Base NIC(GOI) ERNET(GOI) STPI(GOI) ESTEL(ISP) Fidelity (Call Centre) GLIDE(ISP) Bharti infotel (NLD) Bharti Cellular Airtel VSNL, (ILD/NLD) Data Access, (ILD) Daksh, (Call Centre) Convergy’s,(Call Centre) Spectranet (ISP) HCL Infinet (ISP) ExattNet(ISP) Hutchission Essar (Cellular)

15. Thank You

18. ULD & C PROJECT: OBJECTIVES To have To have Greater and deeper visibility of the power system under control Greater and deeper visibility of the power system under control Better communication and co-ordination between control centers Better communication and co-ordination between control centers Effective management of grid parameters viz. frequency, voltage etc. and better grid security through various SCADA/EMS features resulting in better Effective management of grid parameters viz. frequency, voltage etc. and better grid security through various SCADA/EMS features resulting in better  Operations scheduling  Operations monitoring and control  Power system analysis A real time environment for dispatcher training A real time environment for dispatcher training

19. AVAILABILITY BASED TARIFF (A)CAPACITY CHARGE (B)ENERGY CHARGE (C)ADJUSTMENT FOR DEVIATIONS (U I CHARGE) Where (A) = a function of the Ex-Bus MW availability of Power Plant for the day declared before the day starts x SEB’s % share (B) = MWh for the day as per Ex-Bus drawal schedule for the SEB finalised before the day starts x Energy charge rate (C) = Σ (Actual energy interchange in a 15 minute time block – scheduled energy interchange for the time block) x UI rate for the time block TOTAL PAYMENT FOR THE DAY = (A) + (B) ± (C)