SOUTHERN REGIONAL LOAD DESPATCH CENTRE

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

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

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

4. THANK YOU

5. SOUTHERN REGIONAL GRID OVERVIEW

6. ANDHRA PRADESH KARNATAKA TAMIL NADU KERALA SOUTHERN REGION – GEOGRAPHY 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. SR STATES – POWER SYSTEM STATISTICS 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% 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% 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. 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 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 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 ALL INDIA 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. INSTALLED CAPACITY IN SR

10. GROWTH OF INSTALLED CAPACITY OF SR IN MW

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

12. GENERATING UNITS IN SOUTHERN REGION A.P TYPICAL GENERATOR SPREAD IN SR KAR - HYDRO - THERMAL KER TN GENERATORS ABOVE 1000 MW - GAS / NAPTHA GENERATORS 500 – 1000 MW - NUCLEAR GENERATORS BELOW 500 MW

13. CPP/IPP PLANTS IN SOUTHERN REGION A.P KAR KER TN

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

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

16. TRANSMISSION IN SOUTHERN INDIA ABOUT 3000 CKM OF 400 KV LINES ADDED IN THE PAST 2 YEARS

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

18. SHARP PEAK DEEP VALLEY DEEP VALLEY

19. MONSOONS SOUTH WEST MONSOON NORTH EAST MONSOON

20. KADAMPARAI PUMP OPERATION SAVINGS OF RS 40 LAKHS EVERY DAY INVESTMENT OF 1600 CRORES SAVED GENERATOR MODE PUMP PUMP THE PUMP MODE WAS NOT UTILISED SINCE INCEPTION!!!

21. OPPORTUNISTIC UI TRADE POWER EXPORT TO WR ON UI BASIS DURING LOAD CRASH FREQ SAVING OF 30 LAKHS TO BOTH REGIONS

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

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. 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. SHARAVATHI GENERATION – TYPICAL DAY FREQ MW

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

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

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

31. IR EXCHANGES OF SR IN THE FORM OF UI TILL 20.08.2006 (190 WEEK)

32. SUMMARY OF UI – 190 WKS(FROM 01/JAN/03 TO 20/AUGUST/06)

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. UI EXCHANGES AND AVG. RATES IN RESPECT OF DIFFERENT CONSTITUENTS IN SR SR 817MU 2659MU 5164MU 1337MU 5046MU 658MU AP KAR KER TN 111MU 949MU Back