1 AUDITORS

2 SOUTHERN REGION WESTERN REGION EASTERN REGION NORTHERN REGION NORTH- EASTERN REGION INSTALLED CAPACITY NORTHERN :- 31,230 MW EASTERN :- 17,697 MW SOUTHERN :- 31,876 MW WESTERN :- 32,354 MW NORTH-EASTERN :- 2,357 MW TOTAL 115,514 MW

3 SOUTHERN REGION WESTERNRE GION EASTERN REGION NORTHERN REGION NORTH- EASTERN REGION ‘ ELECTRICAL’ REGIONS SAME FREQUENCY FROM GUJARAT TO ARUNACHAL PRADESH WITH EFFECT FROM MARCH 2003 ABOUT 2800 KMS! APART

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

5 POPULATION : CRORES ( 22% OF INDIA) AREA :- 651 (‘000 SQ KM)(19% OF INDIA) INSTALLED CAPACITY:- 31,876 MW(27.6%) WEATHER :- South-west monsoon North-east monsoon SEA COAST :- AROUND 4000 KM SOUTHERN REGION – GEOGRAPHY

6 ANDHRA PRADESH POPULATION :- 7.6 CRORES AREA :- 275 (‘000 SQ KM) NO OF CONSUMERS :- 162 LAKHS PER CAPITA CONS. :- 560 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. :- 389 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. :- 300 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. :- 586 UNITS MAIN AGRICULTURE CROP :- SUGAR CANE & OIL SEEDS CLIMATIC CONDITION :- HOT AND HOT & HUMID

7 SR STATES – POWER SYSTEM STATISTICS ANDHRA PRADESH INSTALLED CAPACITY – 9531 MW MAX DEMAND MET – 7441 MW DAILY CONSUMPTION MAX – 166 MU DAILY CONSUMPTION AVG – 130 MU CONSUMER PROFILE – INDS -29%, DOM-22%, COMM- 5%, IRRI-34% & OTHERS-10% KARNATAKA INSTALLED CAPACITY – 5802 MW MAX DEMAND MET – 5445 MW DAILY CONSUMPTION MAX – 107 MU DAILY CONSUMPTION AVG – 84 MU CONSUMER PROFILE – INDS -26%, DOM-37%, COMM- 3%, IRRI-33% & OTHERS-1% KERALA INSTALLED CAPACITY – 2617 MW MAX DEMAND MET – 2426 MW DAILY CONSUMPTION MAX – 39 MU DAILY CONSUMPTION AVG – 34 MU CONSUMER PROFILE – INDS -2%, DOM-76%, COMM- 16%, IRRI-6% TAMIL NADU INSTALLED CAPACITY – 7074 MW MAX DEMAND MET – 7228 MW DAILY CONSUMPTION MAX – 147 MU DAILY CONSUMPTION AVG – 126 MU CONSUMER PROFILE – INDS -33%, DOM-21%, COMM- 9%, IRRI-27% & OTHERS-10%

8 GROWTH OF INSTALLED CAPACITY OF SR IN MW

9 INSTALLED CAPACITY IN SR STATESHYDROTHERMALNUCLEARDIESEL/GASWINDOTHERSTOTAL IN % AP % KAR % KER % TN % C.S % IPP % TOTAL IN %34%50%3%12%1%

10 SOURCE-WISE INSTALLED CAPACITY OF SR IN MW 31,876 MW HYDRO THERMAL WIND NUCLEAR OTHERS GAS TAMILNADU HAS ABOUT 800 MW OF WINDMILL POWER WHICH IS NOT INCLUDED IN THE INSTALLED CAPACITY. LIKEWISE MICRO AND CAPTIVE CAPACITIES ARE NOT INCLUDED

11 AGENCY-WISE INSTALLED CAPACITY OF SR IN MW 31,876 MW ANDHRA PRADESH KARNATAKA TAMIL NADU CENTRAL SECTOR IPP KERALA

12 TYPICAL LOAD CURVE OF SR WINTER MONSOON SUMMER EVENING PEAK WEATHER RESERVOIRCONSUMPTION SCROLL DEMAND

13 LOAD COMPOSITION IN SOUTHERN GRID Domestic Industry Commercial Irrigation Others

14 LOAD MW LOAD MW TYPICAL LOAD SPREAD IN SR

15 SR GRID - HIGHLIGHTS WIDE SPREAD TRANSMISSION NETWORK HIGHEST CAPACITY HVDC LINK IN COUNTRY GENERATING UNITS OF VARIED TYPE & CAPACITYGENERATING UNITS OF VARIED TYPE & CAPACITY 32 Nos. of 400 KV SUB-STATIONS MVA TRANSFORMATION CAPACITY INTER-REGIONAL LINKS WITH ALL NEIGHBOURING REGIONSINTER-REGIONAL LINKS WITH ALL NEIGHBOURING REGIONS

16 GRID OPERATION IN THE PAST LOW FREQUENCY PROBLEMS –FREQUENCY AT 48 HZ AND BELOW FOR MOST TIME LOW VOLTAGE OPERATION –VOLTAGE AT BANGALORE DIPPED TO AS LOW AS 300 Kv!!!! FREQUENT GRID DISTURBANCES –LOADS FREQUENTLY CUT OFF DUE TO RELAY OPERATION INCREASED ELECTRICAL LOSSES –INEFFICIENT OPERATION OF ELECTRIC EQUIPMENTS INEFFICIENT UTILISATION OF RESOURCES FREQUENT DISTURBANCES CAUSED GENERATION LOST EVEN AT PIT HEAD STATIONS GRID OPERATION FOCUSSED ON FIRE-FIGHTING RATHER THAN OPTIMISATION AND ECONOMY

17 GRID OPERATION PRESENT  STABILISED SYSTEM FREQUENCY STABILISED SYSTEM FREQUENCY  IMPROVED VOLTAGES IMPROVED VOLTAGES  MERIT ORDER OPERATION MERIT ORDER OPERATION  INTER REGIONAL EXCHANGES INTER REGIONAL EXCHANGES  IMPROVED GRID SECURITY IMPROVED GRID SECURITY

18 LANDMARKS UNIFIED LOAD DESPATCH SCHEME AVAILABILITY BASED TARIFF TALCHER-KOLAR HVDC LINK OPERATIONAL EXCELLENCE SPECIFIC ACTIONS BY SRLDC FINANCIAL DISCIPLINE SCHD DRWL

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