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SPECIAL TCC MEETING ON 23-AUG-04

SPECIAL TCC MEETING ON 23-AUG-04. CONSUMPTION PLOT 2002 - 05. LOAD RESTRICTION. VARIABLE COST. UI SUMMARY TILL 25/JULY/04. UI IN SR. IRE-ACCOUNT. ANTICIPATED DEMAND POSITION. ANTICIPATED ENERGY POSITION. LETTERS. UI ADVANTAGES. BENEFIT OF WR UI. HVDC UTILISATION. UI OF ER & WR

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SPECIAL TCC MEETING ON 23-AUG-04

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  1. SPECIAL TCC MEETING ON 23-AUG-04 CONSUMPTION PLOT 2002 - 05 LOAD RESTRICTION VARIABLE COST UI SUMMARY TILL 25/JULY/04 UI IN SR IRE-ACCOUNT ANTICIPATED DEMAND POSITION ANTICIPATED ENERGY POSITION LETTERS UI ADVANTAGES BENEFIT OF WR UI HVDC UTILISATION UI OF ER & WR AND TOTAL UI SCH Vs DRAWAL ER SCH Vs DRAWAL WR SCH Vs DRAWAL TALCHER II BENEFIT OF ER UI UI OF ER & CONSTITUENTS EXTRACTS FROM NEMMCO SUGGESTION ECONOMIC SURVEY EXTRACTS 9.14 DRAWAL PATTERN OF STATES SKEWED DRAWAL

  2. LOAD RESTRICTION • LOAD RESTRICTION LIFTED IN KARNATAKA FROM 18-JUNE-04. • IN KERALA, CYCLIC LOAD SHEDDING DURING ENENING PEAK HOURS WAS WITHDRAWN FROM 16-JUNE-04. • TAMIL NADU AND ANDHRA PRADESH HAVE REMOVED LOAD RESTRICTION. • FREE POWER TO FARMERS

  3. MAXIMUM & MINIMUM DRAWAL JULY-04

  4. SUMMARY OF UI – 84 WKS(FROM 01/JAN/03 TO 08/AUG/04)

  5. INTER REGIONAL UI IN SR (FROM 01/01/03 TO 08/08/04) • TOTAL UI TURNOVER :- 4831 MU • TOTAL UI AMOUNT DISBURSED:- 917 CR • INTER REGIONAL UI:- +942 MU -191 MU • AVG WEEKLY TRANSACTION:- 57 MU • AVG WEEKLY UI AMT DISBURSED:- 11 CR • AVG RATE OF EXPORT TO WR IN PS/U • 155 PS/U @SR • 255 PS/U @WR • AVG RATE OF IMPORT FROM ER IN PS/U • 144 PS/U @ ER

  6. INTER-REGIONAL EXCHANGES A/C DETAILS UPTO 84 WKS (TILL 08/08/04) • SR IMPORTED 295 MU AND EXPORTED 181 MU TO WR. • AMOUNT ACCRUED IN SREB – IRE DUE TO DIFF. IN WR A/C = 36.5Crs • AMOUNT TO BE ACCRUED IN WREB – IRE DUE TO DIFF. IN SR A/C = 23.25Crs • AMOUNT DUE TO SR CONSTITUENTS ON 50:50 BASIS = 29.83Crs • AMOUNT ALREADY DISBURSED TO SR CONSTITUENTS = 27.36Crs • BALANCE DUE TO SR CONSTITUENTS = 2.5Crs

  7. LETTERS EREB 06-MAY-04 SREB 28-OCT-03 SREB 21-NOV-03 SREB 12-MAY-04 EREB 28-MAY-05 SREB 07-JUNE-04 TNEB 12-AUGUST-04

  8. SOUTHERN REGION - ANTICIPATED DEMAND POSITION ANTICIPATED DEMAND POSITION DEMAND DEFICIT/SURPLUS IN %

  9. SOUTHERN REGION - ANTICIPATED ENERGY POSITION ANTICIPATED ENERGY POSITION ENERGY DEFICIT/SURPLUS IN %

  10. HVDC SET POINT CHANGES ABOUT 50 SET POINT CHANGES IN A DAY TALCHER GAZUWAKA BHADRAWATHI

  11. ADVANTAGESINTER-REGIONAL UI • WIN – WIN PLATFORM – PROMOTES TRADE • SPOT MARKET IN REAL TIME • REDUCES THE NEED FOR BILATERAL • BEST UTILISATION OF FLEXIBLE HYDRO • ALL COSTLIER GENERATORS IN SR • ALL PIT-HEAD GENERATORS IN ER • GENERALLY SR IS ENERGY DEFICIT & ER IS ENERGY SURPLUS • SHORTAGE OF COAL / LIGNITE IN SR • IMPACT OF ENVIROMENT • REPLACE COSTLY GENERATION BY CHEAPER GENERATION

  12. ER –SR LINK PRESENT • 500 MW GAJUWAKA HVDC B2B • 2000 MW TALCHER-KOLAR HVDC FUTURE • ANOTHER 500 MW HVDC B2B AT GAJUWAKA BY DECEMBER 2004 • ENHANCEMENT OF TALCHER-KOLAR HVDC TO 2500 MW BY NEXT YEAR DIAGRAM

  13. 3500 MW TRANSFER CAPABILITY ON HVDC.ANOTHER 500 MW POLE TO BE ADDED AT GZK. TALCHER POLE CAPABILITY TO BE ENHANCED TO 2500 MW GRID MAP TALCHER BHADRAVATI JEYPORE 178x2 SIMHADRI NTPC 2x221 8x4 RSTPP GAZUWAKA(AP) 1 301x2 189 15x2 P 187 195 VISAKHAPATNAM (POWERGRID) 267x2 KHAMMAM HYDERABAD 317 P P 115 197x2 P MMDP 155 P VIJAYAWADA 146x2 221x2 258 RAICHUR NAGARJUNASAGAR P Nagjhari 279 172 308 SSLMM MUNIRABAD P KODASAALY 277 52x2 KURNOOL KAIGA SIRSI 120 P N GOOTY CUDDAPAH 60 P DAVANAGERE 300 NELLORE 173 302 400 KV LINE PRESENTLY OPERATED AT 220 KV KADRA HIRIYUR 330 242 28 NELAMANGALA ALMATHI BANGALORE P MADRAS P KOLAR HOODY TALGUPPA HOSUR MAPS 182 181 63 175 PONDICHERY SALEM 54 P NEYVELI 179 151 164x2 UDUMALPET TRICHY P 130x2 TRICHUR P P 127 130x2 P MADURAI ABOUT 38000 CKM OF 400/220 KV TRANSMISSION PALLOM KAYANKULAM EDAMON 2x78 THIRUVANATHAPURAM

  14. UI ON ER –SR LINK • FLEXIBILITY TO THE SYSTEM OPERATOR • MERIT ORDER • OPTIMISATION OPPORTUNITY • LOSS REDUCTION • DE-CONGESTION OF NETWORK • RAIPUR-ROURKELA IN ER • BHILAI-KORADI IN WR • CUDAPAH-KOLAR, NUNNA-NELLORE IN SR • VOLTAGE CONTROL • FGMO – MORE CONDUCIVE

  15. PRESENT ER –SR UI • ER UI IS CALCULATED BASED ON THE ER FREQUENCY • ONLY ONE SIDE FREQUNCY IS USED • NO EXTRA BENEFIT TO THE EXPORTING ER REGION • LIKE PRACTICE OF OTHER REGIONAL LINKS, BENEFITS WITH RESPECTIVE REFERENCE FREQUENCY IS NOT PRESENT

  16. PRESENT ER –SR UI • TO BE IN LINE WITH OTHER INTER REGIONAL LINKS, THE SAME PHILOSOPHY OF SHARING THE BENEFIT IN THE RATIO OF 50:50 HAS TO BE USED AFTER CALCULATING WITH RESPECTIVE REFERENCE FREQUNCY DIFFERNCES BETWEEN ER-SR LINK AND OTHER INTER REGIONAL LINKS • TALCHER STAGE2 BELONGING TO SR IS PRESENT IN ER • TALCHER – KOLAR HVDC LINE IS PART OF SR TRANSMISSION SYSTEM • LOSS AND TRANSMISSION CHARGES OF TALCHER KOLAR LINE IS BORNE BY SR.

  17. SUGGESTION • WHILE ARRIVING THE RATIO FOR SHARING THE BENEFIT THE FOLLOWING HAS TO CONSIDERED • CHANGING OF SCHEDULING/METERING POINT (ER INTER CONNECTOR) • TALCHER –KOLAR LINE LOSS • TRANSMISSION CHARGES OF TALCHER – KOLAR LINE

  18. SUGGESTION • INSTEAD OF INTERCONNECTOR OF TALCHER 1 & 2 TALCHER HVDC CAN BE MADE SCHEDULING AND METERING POINT. • TALCHER STAGE 2 WILL BE IN THE ER POOL FOR UI ACCOUNT.

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