1. 1 SOUTHERN REGIONAL LOAD DESPATCH CENTRE POWER GRID CORPORATION OF INDIA LIMITED WELCOME TO SHRI U. C. MISRA Director (Personnel )

2. 2 SOUTHERN REGIONAL LOAD DESPATCH CENTRE POWER GRID CORPORATION OF INDIA LIMITED

3. 3 PRESENTATION OVERVIEW  SOUTHERN REGIONAL GRID – OVERVIEW SOUTHERN REGIONAL GRID – OVERVIEW  SPECIFIC IMPROVEMENTS IN RECENT PAST SPECIFIC IMPROVEMENTS IN RECENT PAST  OPERATIONAL EXCELLANCE OPERATIONAL EXCELLANCE  ABT – UI POOL IN SR GRID ABT – UI POOL IN SR GRID  MANPOWER AND BUDGET MANPOWER AND BUDGET

4. 4 THANK YOU

5. 5 SOUTHERN REGIONAL GRID OVERVIEW

6. 6 SOUTHERN REGION – GEOGRAPHY ANDHRA PRADESH TAMIL NADU KARNATAKA KERALA POPULATION :- 22.5 CRORES ( 22% OF INDIA) AREA :- 651 (‘000 SQ KM)(19% OF INDIA) INSTALLED CAPACITY:- 36,921 MW(29.0%) WEATHER :- South-west monsoon North-east monsoon SEA COAST :- AROUND 4000 KM

7. 7 SR STATES – POWER SYSTEM STATISTICS ANDHRA PRADESH INSTALLED CAPACITY – 8944 MW MAX DEMAND MET – 8241 MW DAILY CONSUMPTION MAX – 171 MU DAILY CONSUMPTION AVG – 142 MU CONSUMER PROFILE – INDS -27%, DOM-22%, COMM- 5%, IRRI-39% & OTHERS-7% KARNATAKA INSTALLED CAPACITY – 6180 MW MAX DEMAND MET – 5612 MW DAILY CONSUMPTION MAX – 125 MU DAILY CONSUMPTION AVG – 95 MU CONSUMER PROFILE – INDS -26%, DOM-19%, COMM- 7%, IRRI-39% & OTHERS-9% KERALA INSTALLED CAPACITY – 2284 MW MAX DEMAND MET – 2602 MW DAILY CONSUMPTION MAX – 41 MU DAILY CONSUMPTION AVG – 34 MU CONSUMER PROFILE – INDS -34%, DOM-44%, COMM- 13%, IRRI-2%& OTHERS-7% TAMIL NADU INSTALLED CAPACITY – 10015 MW MAX DEMAND MET – 8371 MW DAILY CONSUMPTION MAX – 166 MU DAILY CONSUMPTION AVG – 135 MU CONSUMER PROFILE – INDS -39%, DOM-25%, COMM- 7%, IRRI-24% & OTHERS-5%

8. 8 ANDHRA PRADESH POPULATION :- 7.6 CRORES AREA :- 275 (‘000 SQ KM) NO OF CONSUMERS :- 162 LAKHS PER CAPITA CONS. :- 719 UNITS MAIN AGRICULTURE CROP :- RICE CLIMATIC CONDITION :- HOT AND HOT & HUMID SR STATES – GEOGRAPHY KARNATAKA POPULATION :- 5.3 CRORES AREA :- 192 (‘000 SQ KM) NO OF CONSUMERS :- 105 LAKHS PER CAPITA CONS. :- 642 UNITS MAIN AGRICULTURE CROP :- COFFEE & RAGI CLIMATIC CONDITION :- HOT AND HOT & HUMID KERALA POPULATION :- 3.2 CRORES AREA :- 39 (‘000 SQ KM) NO OF CONSUMERS :- 61 LAKHS PER CAPITA CONS. :- 386 UNITS MAIN AGRICULTURE CROP :- COCONUT & SPICES CLIMATIC CONDITION :- HUMID TAMIL NADU POPULATION :- 6.2 CRORES AREA :- 130 (‘000 SQ KM) NO OF CONSUMERS :- 152 LAKHS PER CAPITA CONS. :- 866 UNITS MAIN AGRICULTURE CROP :- SUGAR CANE & OIL SEEDS CLIMATIC CONDITION :- HOT AND HOT & HUMID

9. 9 INSTALLED CAPACITY IN SR SUMMARY OF INSTALLED CAPACITY(MW) AS ON 31.07.2006 AGENCYHYDROTHERMALGAS/DIESELWIND/OTHERSNUCLEARTOTAL ANDHRA PRADESH 358729632722---6824 KARNATAKA 338914701284---4991 KERALA 1835---2352---2072 TAMILNADU 2137297042319---5549 PONDICHERRY --- 32--- 32 CENTRAL SECTOR ---8090360---8809330 IPP 27838731494309---8123 TOTAL 11226 (30%) 15880 (43%) 4599 (13%) 4336 (12%) 880 (2%) 36921 (100%)

10. 10 GROWTH OF INSTALLED CAPACITY OF SR IN MW

11. 11 SOURCE-WISE INSTALLED CAPACITY OF SR All Figures In MW TOTAL 36,921 MW HYDRO THERMAL WIND/OTHERS NUCLEAR GAS

12. GENERATING UNITS IN SOUTHERN REGION A.P KAR TNKER GENERATORS ABOVE 1000 MW GENERATORS 500 – 1000 MW GENERATORS BELOW 500 MW TYPICAL GENERATOR SPREAD IN SR UNIT CAPACITYAPKARKERTNCGSTOTAL THERMAL (500 MW) 2810 THERMAL (200-250 MW) 107131545 GAS/THERMAL (100-150 MW) 9231024 HYDRO (>50 MW) 2729161587 TOTAL 48381938165 - HYDRO - THERMAL - GAS / NAPTHA - NUCLEAR

13. CPP/IPP PLANTS IN SOUTHERN REGION A.P KAR TNKER Station NameI/C in MW Variable Cost (Ps) TATA ELECTRIC79.1390 JINDAL260280 THANNEERBAVI220500 Station NameI/C in MW Variable Cost (Ps) KASARGOD PCL22470 BSES157560 KUTHUNGAL21--- MANIYAR12--- KAYAMKULAM360580 Station NameI/C in MW Variable Cost (Ps) HITEC15 TCPL63.5 GMR VASAVI196444 SAMALPATTY105474 ST-CMS250161 P P NALLUR330.5550 ABAN11388 MADURAI POWER106456 ARKAY38 Station NameI/C MW Variable Cost (Ps) SIMHADRI1000104 BSES220168 VEMAGIRI PGL233 SPECTRUM208104 JEGURUPADU EXT. 220 JEGURUPADU216102 LANCO355125

14. 14 LOAD 500-1500 MW LOAD 200-500 MW TYPICAL LOAD SPREAD IN SR

15. KHAMMAM VIJAYAWADA NAGARJUNASAGAR GAZUWAKA HYDERABAD RAICHUR GOOTY HOODY SALEM UDUMALPET TRICHUR MADURAI TRICHY MADRAS NEYVELI CUDDAPAH DAVANAGERE RAMAGUNDAM BANGALORE MUNIRABAD P P P P P P P P P P P P P P KOLAR 63 HOSUR 1 60 P NELLORE NELAMANGALA KURNOOL KALPAKKA SIMHADRI HIRIYUR TALAGUPPA MAMIDIPALLY SRI SAILAM -- OF NTPC -- OF ANDHRA PRADESH -- OF TAMIL NADU -- OF NLC -- OF POWERGRID 400KV SUB-STATIONS IN SR NEYVELI TPS I (EXP) POWERGRIDSTATEOTHERSTOTAL AP 89219 KAR 65112 KER 2 2 TN 6 129 TOTAL 2215542 TRIVENDRUM NARENDRA VEMAGIRI GMR JEGRUPADU EXTN MEHA BOOB NAGAR CHITTOOR -- OF NPC KAIGA MYSORE -- OF KARNATAKA ALMATHI

16. 16 TRANSMISSION IN SOUTHERN INDIA ABOUT 3000 CKM OF 400 KV LINES ADDED IN THE PAST 2 YEARS VOLTAGE LEVELAPKARKERTNCGS TOTAL 400 KV26801616 1090515201 220/230 KV1027478392692653836627709 132/110 KV123606060372010220 32360 TOTAL25314155156412167581127175270

17. 17 TYPICAL LOAD CURVE OF SR WINTER MONSOON SUMMER EVENING PEAK WEATHERCONSUMPTION

18. 18 DEEP VALLEY SHARP PEAK

19. 19 MONSOONS SOUTH WEST MONSOON NORTH EAST MONSOON

20. 20 KADAMPARAI PUMP OPERATION GENERATOR MODE PUMP SAVINGS OF RS 40 LAKHS EVERY DAY INVESTMENT OF 1600 CRORES SAVED

21. 21 OPPORTUNISTIC UI TRADE POWER EXPORT TO WR ON UI BASIS DURING LOAD CRASH FREQ

22. 22 OPERATION ON 31/08/03 (Ganesh Chathurthi) AMOUNT SAVED FOR SR CONSTITUENTS = 107 LAKHS 50 NOS HVDC SETPOINT CHANGES DONE TO ACHIEVE THIS!!!!!

23. 23

24. 24 FREE GOVERNOR MODE OF OPERATION ON 12-DEC-04 SHARAVATHI -1 FREQ DROP FROM 49.72 HZ TO 49.27 HZ i.e. ~ 0.45HZ

25. 25 FREE GOVERNOR MODE OF OPERATION ON 12-DEC-04 SHARAVATHI -4 FREQ DROP FROM 49.72 HZ TO 49.27 HZ i.e. ~ 0.45HZ

26. 26 SHARAVATHI GENERATION – TYPICAL DAY FREQ MW

27. 27 OPTIMAL RESERVOIR UTILISATION SHARAVATHY IN KARNATAKA THE COST OF GENERATION AT SHARAVATHY IS LESS THAN 20 Ps /UNIT AVERAGE SELLING UI RATE OF KARNATAKA IS 372 Ps/UNIT PLANT OPERATORS AT SHARAVATHY THINK OF THE RESERVOIR LEVEL IN RUPEES RATHER THAN IN FEET!!! Rs.

28. 28

29. 29 01-01-03 TO 20-08-06

30. 30 01-01-03 TO 20-08-06

31. 31 IR EXCHANGES OF SR IN THE FORM OF UI TILL 20.08.2006 (190 WEEK) TRANSACTION WITH WR TRANSACTION WITH ER Energy Imported 804 MU (IMPORT BY SR) 903 MU (IMPORT BY SR) Net Saving to each SR and WR/ER Constituents due to differential tariff Rs. 53.50 Cr.Rs. 45.50 Cr. Energy Exported710 MU (EXPORT BY SR) 362 MU (EXPORT BY SR) Net Saving to each SR and WR/ER Constituents due to differential tariff Rs. 42.54 Cr.Rs. 16.13 Cr.

32. 32 APKARKERTNPONDY Total UI exported(-) / Imported(+) in MUs -422850533892001-272 Total amount paid in Crores Rs. -734932-16534-54 Average rate of UI in paise/unit 17418440267197 SUMMARY OF UI – 190 WKS (FROM 01/JAN/03 TO 20/AUGUST/06)

33. 33 UI IN SR (FROM 01/01/03 TO 20/08/06) TOTAL UI TURNOVER :- 11632 MU TOTAL UI AMOUNT DISBURSED:- 2370 CR AVG WEEKLY TRANSACTION:- 61 MU AVG WEEKLY UI AMOUNT DISBURSED:- 13 CR

34. 34 UI EXCHANGES AND AVG. RATES IN RESPECT OF DIFFERENT CONSTITUENTS IN SR 5164MU5164MU 1337MU1337MU 2659MU2659MU 5046MU5046MU 111MU111MU 949MU949MU 658MU658MU APKARKERTN 817MU817MU Back