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POWER GRID CORPORATION OF INDIA LTD

POWER GRID CORPORATION OF INDIA LTD. GRID EVENTS AND ISSUES. in 3rd SRPC MEETING 19 th February 2007 Bangalore. SOUTHERN REGIONAL LOAD DESPATCH CENTRE. POWER SUPPLY POSITION FOR THE PERIOD FROM OCT 06 TO FEB 07. Current Year : 2006 - 07 Last Year : 2005 - 06. MAXIMUM DEMAND MET:

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POWER GRID CORPORATION OF INDIA LTD

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  1. POWER GRID CORPORATION OF INDIA LTD GRID EVENTS AND ISSUES in 3rd SRPC MEETING 19th February 2007 Bangalore SOUTHERN REGIONAL LOAD DESPATCH CENTRE

  2. POWER SUPPLY POSITIONFOR THE PERIOD FROM OCT 06 TO FEB 07 Current Year : 2006 - 07 Last Year : 2005 - 06 MAXIMUM DEMAND MET: STATE WISE MAXIMUM DEMAND MET:

  3. FREQUENCY SPECTRUM FROM OCT 06 TO FEB 07(UPTO 12TH FEB 07) Low Frequency Operation

  4. Date: 17th October 2006 PRESS RELEASE CERC directs PowerGrid to ensure grid stability 1. In order to take action for violating the Indian Electricity Grid Code (IEGC) by drawing electricity in excess of their schedule drawal, the Central Electricity Regulatory Commission (CERC) has directed PowerGrid to furnish the list of States and their quantum of overdrawals in the time-blocks when the frequency in the extended Central Grid was below 49.0 Hz during the period 9th to 15th October 2006. 2. The Commission has further directed all the RLDCs to keep a strict watch over the Grid Code violations, which can possibly endanger the grid stability and promptly inform the Commission about the defaulters with appropriate recommendation regarding remedial action. 3. The maintenance of satisfactory grid frequency has assumed added importance after synchronization of Northern Regional Grid with Central Grid comprising Western, Eastern and North-Eastern Regional Grids. In this context, the IEGC requires that the various beneficiary States shall always endeavor to restrict their net drawal from the grid to their respective drawal schedules, whenever the system frequency is below 49.5 Hz and when the frequency falls below 49.0 Hz, the requisite load shedding shall be carried out by the concerned State to curtail its over drawal. S. K. Chatterjee Assistant Secretary

  5. STATE OVER DRAWAL @ <49.0 & 49.5HZ FOR OCT & DEC 2006

  6. STATE OVER DRAWAL @ <49.0 & 49.5HZ JAN 01 – 11, 2007 SEM DATA

  7. STATE OVER DRAWAL @ <49.0 & 49.5HZ JAN 12 – 21, 2007 SEM DATA

  8. STATE OVER DRAWAL @ <49.0 & 49.5HZ JAN 22 – 28, 2007 SEM DATA

  9. STATE OVER DRAWAL @ <49.0 & 49.5HZ JAN 15 – 21, 2007 SEM DATA

  10. Summary of ODs at Freq. LT 49 HZ. During the week 16-10-06 TO 22-10-06 09-10-06 TO 15-10-06 23-10-06 TO 29-10-06

  11. Summary of ODs at Freq. LT 49.5 HZ. During the week 16-10-06 TO 22-10-06 09-10-06 TO 15-10-06 23-10-06 TO 29-10-06

  12. Summary of ODs at Freq. LT 49 HZ. During the week 01-12-06 TO 04-02-07 Summary of ODs at Freq. LT 49.5 HZ. During the week 01-12-06 TO 04-02-07

  13. AVAILABILTY OF GENERATION IN NLC AND NPC STATIONS NEYVELI TPS I (EXP) NEYVELI TS 2 NPC, MAPS NPC, KAPS

  14. TYPICAL DAY UI IMPORT FROM CENTRAL GRID23rd OCT 2006 Maximum of 560MW Imported

  15. TYPICAL DAY UI IMPORT FROM CENTRAL GRID24th OCT 2006 Maximum of 730MW Imported

  16. TYPICAL DAY UI IMPORT FROM CENTRAL GRID4th FEB 2007 Maximum of 820MW Imported

  17. TYPICAL DAY UI EXPORT TO CENTRAL GRID4th NOV 2006 Maximum of 470MW Exported

  18. IR EXCHANGES OF SR IN THE FORM OF UI TILL 04.02.2007 (214 WEEK)

  19. IR EXCHANGES OF SR IN THE FORM OF UI FROM 03.04.2006 TO 04.02.2007 (44 WEEK)

  20. IR EXCHANGES OF SR IN THE FORM OF UI FROM 02.10.2006 TO 04.02.2007 (18 WEEK)

  21. FREQUENCY SPECTRUM FOR 2005-06 Low Frequency Operation High Frequency Operation

  22. FREQUENCY SPECTRUM FROM APRIL 06 TO OCT 06 (UPTO 20TH OCT 06) Low Frequency Operation High Frequency Operation

  23. POWER SUPPLY POSITIONFOR 2006-07, 2005-06 & 2004-05 MAXIMUM DEMAND MET: STATE WISE MAXIMUM DEMAND MET:

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