REGIONAL GRIDS IN INDIA – QUICK FACTS SOUTHERN REGIONAL GRID – AN OVERVIEW

1. REGIONAL GRIDS IN INDIA – QUICK FACTS • SOUTHERN REGIONAL GRID – AN OVERVIEW ESC to EXIT

2. THANK YOU

3. REGIONAL GRIDSQUICK FACTS

4. REGIONAL GRIDS INSTALLED CAPACITY NORTHERN :- 33,782 MW EASTERN :- 16,680 MW SOUTHERN :- 33,162 MW WESTERN :- 34,867 MW NORTH-EASTERN :- 2,443 MW TOTAL 120,934 MW NORTHERN REGION NORTH-EASTERN REGION EASTERN REGION WESTERNREGION SOUTHERN REGION

5. ‘ ELECTRICAL’ REGIONS 1 NORTHERN REGION NORTH-EASTERN REGION EASTERN REGION 2 WESTERNREGION 3 SOUTHERN REGION SAME FREQUENCY FROM GUJARAT TO ARUNACHAL PRADESH WITH EFFECT FROM MARCH 2003 ABOUT 2800 KMS! APART

6. ‘ELECTRICAL’ REGIONS NORTHERN REGION 1 NORTH-EASTERN REGION EASTERN REGION WESTERNREGION 2 SOUTHERN REGION WITH THE COMMISSIONING OF THE TALA PROJECT CONNECTING THE EASTERN AND NORTHERN GRIDS, INDIA WILL HAVE ONLY TWO GRIDS

7. Growth of Installed Capacity for Electricity in India ALL FIGURES IN MW

9. Inter Regional Links 1650 MW 700 MW 1850 MW 900 MW 30,500 MW 2300 16,000 1200 MW 32,700 MW 1200MW Present IR Capacity = 9,500 MW 32,934 MW 2000MW

10. By 2006 Inter-regional capacity - 11,500MW

11. Inter-regional Links – By 2006 Sahupuri Dehri Salakati Birpara North-eastern Northern Allahabad Sasaram Malda Bongaigaon Muzaffarpur Gorakhpur Singrauli Auraiya Kota 2650 MW 1200 MW Eastern 900 MW Korba Malanpur Budhipadar Ujjain Vindhyachal Western Raipur Rourkela Chandrapur Balimela Kolhapur Jeypore Talcher Ponda 1650 MW 1400 MW 3150MW DETAILS Belgaum Upper Sileru Kolar Nagjhari Gazuwaka Ramagundam Southern

12. By 2007 Inter-regional capacity - 18,400MW

13. Inter-regional Links – By 2007 Sahupuri Dehri Salakati Birpara North-eastern Sasaram Allahabad Northern Muzaffarpur Gorakhpur Malda Patna Balia Bongaigaon Auraiya Biharshariff Balia Singrauli Agra Kota 1200 MW 6650 MW Eastern 2100 MW Korba Budhipadar Ujjain Vindhyachal Gwalior Malanpur Raipur Rourkela Western Ranchi Sipat Chandrapur Balimela Kolhapur Jeypore Talcher Ponda 2850 MW 1400 MW 3650MW DETAILS Belgaum Upper Sileru Kolar Nagjhari Gazuwaka Ramagundam Southern

14. NORTHERN REGION 11850 MW 5500 MW NORTH-EASTERN REGION 6050 MW 1200 MW WESTERNREGION 1400 MW 6150 MW SOUTHERN REGION INTER-REGIONAL TRANSFER BY END OF 11th PLAN (2012) 4000 MW EASTERN REGION 36,700 MW OF INTER-REGIONAL POWER BY 2012

15. Source wise composition of installed capacity in India(1,20,934 in 2006) AS on 31-01-06

16. SOUTHERN REGIONAL GRID OVERVIEW

17. 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:- 33,162 MW(27.4%) WEATHER :- South-west monsoon North-east monsoon SEA COAST :- AROUND 4000 KM

18. SR STATES – POWER SYSTEM STATISTICS KARNATAKA INSTALLED CAPACITY – 6177 MW MAX DEMAND MET – 5612 MW DAILY CONSUMPTION MAX – 123 MU DAILY CONSUMPTION AVG – 90 MU CONSUMER PROFILE – INDS -26%, DOM-19%, COMM-7%, IRRI-39% & OTHERS-9% ANDHRA PRADESH INSTALLED CAPACITY – 8627 MW MAX DEMAND MET – 8241 MW DAILY CONSUMPTION MAX – 167 MU DAILY CONSUMPTION AVG – 142 MU CONSUMER PROFILE – INDS -27%, DOM-22%, COMM-5%, IRRI-39% & OTHERS-7% KERALA INSTALLED CAPACITY – 2280 MW MAX DEMAND MET – 2511 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 – 6767 MW MAX DEMAND MET – 7719 MW DAILY CONSUMPTION MAX – 160 MU DAILY CONSUMPTION AVG – 131 MU CONSUMER PROFILE – INDS -39%, DOM-25%, COMM-7%, IRRI-24% & OTHERS-5%

19. 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

20. GROWTH OF INSTALLED CAPACITY OF SR IN MW Average Growth ~ 5 %

21. INSTALLED CAPACITY IN SR The above capacity does not includes --- About 1344 MW of Wind Mill Capacity in Tamil Nadu. --- Micro and Captive plants in different states.

22. SOURCE-WISE INSTALLED CAPACITY OF SR NUCLEAR IN MW WIND/OTHERS HYDRO GAS THERMAL 33,162 MW

23. MONSOONS SOUTH WEST MONSOON NORTH EAST MONSOON

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

25. TYPICAL ISSUES IN THE PAST

26. GRID OPERATION – TYPICAL ISSUES IN PAST • LOW / HIGH FREQUENCY PROBLEMS • FREQUENCY EXCURSES TO LOW/HIGH VALUES • LOW / HIGH VOLTAGE OPERATION • CRITICALLY LOW VOLTAGES AT LOAD CENTRES • SUBSTANTIALLY HIGH VOLTAGES AT FAR ENDS • SYSTEM BROWNOUTS / BLACK OUTS • SEPERATION OF SYSTEMS / LOSS OF LOAD • ECONOMIC IN-STABILITY / INCREASED ELECTRICAL LOSSES • UNRELIABLE / INEFFICIENT OPERATION OF EQUIPMENT ...THE END RESULT :

27. Additional Inter-Regional Links – By 2006 BACK

28. Additional Inter-regional Links – By 2007 BACK