SYSTEM OPERATION AVG, MAX & MIN DRAWAL SHARE ALLOCATION INTER-REGIONAL IMPORTS 3D FREQ OCT-03 3D SR DEMAND FREQ COMPARISION OCT-02 & OCT-03 GENERATION ADDITION UFR SCHEME TRANSMISSION LINES ADDITION SR INSTALLED CAPACITY SR GRID INTER-REGIONAL LINKS STATEWISE I/C HIGHLIGHTS I/C Vs DEMAND GROWTH GT/ICT TAP DETAILS 3D UI RATE OCT-03 3D VIRTUAL REALITY ISGS/INTER-REGIONAL 3D VIRTUAL REALITY STATE MORE LINK TO REACTIVE MAJOR ACHIEVEMENTS

3D VIRTUAL REALITY DEMAND ANDHRA PRADESH KERALA KERNATAKA TAMIL NADU STATE SCHEDULE ANDHRA PRADESH KERALA KERNATAKA TAMIL NADU STATE DRAWAL ANDHRA PRADESH KERALA KERNATAKA TAMIL NADU STATE UI ANDHRA PRADESH KERALA KERNATAKA TAMIL NADU PONDY GOA PONDY GOA PONDY GOA

3D VIRTUAL REALITY ISGS INJECTION NTPC NLY-II STAGE II NLY-II STAGE I TALCHER STAGE II ISGS UI INTER-REGIONAL EXCHANGES WR ER NEYVELI TPS I (Exp) MAPS KAIGA SPARE NTPC NLY-II STAGE II NLY-II STAGE I TALCHER STAGE II NEYVELI TPS I (Exp) MAPS KAIGA SPARE

MORE LINKS TO REACTIVE REACTORS POSITION CAPABILITY CURVES REACTIVE ENERGY LOW VOLTAGE REACTIVE ENERGY HIGH VOLTAGE SCHEDULE Vs DRAWAL SCROLL GRAPHS ANDHRA PRADESH SCROLL GRAPHS KARNATAKA SCROLL GRAPHS KERALA SCROLL GRAPHS TAMIL NADU SCROLL GRAPHS PONDY SCROLL GRAPHS GOA SCROLL GRAPHS NTPC SCROLL GRAPHS NLC SCROLL GRAPHS NLY –II STAGE 2 SCROLL GRAPH NLY – II STAGE 1 SCROLL GRAPHS TALCHER STAGE II SPARE SCROLL GRAPH NLY TPS – I (Exp)

SR GRID MAP KHAMMAM VIJAYAWADA NAGARJUNASAGAR VISAKHAPATNAM (POWERGRID) HYDERABAD RAICHUR GOOTY HOODY SALEM UDUMALPET TRICHUR MADURAI TRICHY MADRAS NEYVELI CUDDAPAH DAVANAGERE KAIGA RSTPP BHADRAVATI 130x2 164x x2 PONDICHERY BANGALORE SIRSI MUNIRABAD P P P P P P P P P P P P P P P N KOLAR PALLOM KAYANKULAM EDAMON TALCHER JEYPORE x78 2x HOSUR KADRA KODASAALY Nagjhari MAPS P SSLMM MMDP THIRUVANATHAPURAM ALMATHI NELLORE 400 KV LINE PRESENTLY OPERATED AT 220 KV NELAMANGALA KURNOOL GAZUWAKA(AP) SIMHADRI NTPC HIRIYUR x x2 221x2 146x2 52x2 197x2 301x2 8x4 15x TALAGUPPA

POWERGRID SRLDC T A.P KAR T.N KER MAH ORISSA RAMAGUNDAM NEYVELI MAPS GOA PONDICHERRY HVDC BI POLE HVDC B2B STATION CENTRAL GEN.STATION CHANDRAPUR JEYPORE GAZUWAKA KOLHAPUR BELGAUM U.SILERU L.SILERU BALIMELA BARSUR 220 kV LINE 400 kV LINE M.P 110 kV HVDC LINE AMBEWADI INTER REGIONAL LINKS KOLAR TALCHAR KAIGA

INSTALLED CAPACITY OF SOUTHERN REGION AS ON IN MW 29400MW

STATEWISE BRAKUP OF INSTALLED CAPACITY IN SR AS ON IN MW 29400MW

Installed Capacity-29,400MW Average Daily Consumption- 359 MU Average Grid Frequency HZ Peak Demand Met-19,944 MW Demand Deficit- 2 % Energy Deficit- 5 % SOUTHERN REGIONAL GRID HIGHLIGHTS

GROWTH OF I/C Vs DEMAND MET % Growth DMD % Growth I/C

SHARE ALLOCATION

EXPECTED GENERATIONS ADDITION UPTO MAR – 05 NAME OF THE STATION HYDRO THERMAL IPP's UTILITY EXPECTED IN EXPECTED IN SRISAILAM LEFT BANKHYDROAP150 MINI HYDELIPPAP30 WIND ENERGYIPPAP55 MINI POWER PLANTSIPPAP30960 INDUSTRIAL WASTE BASEDIPPAP1633 MUNICIPAL WASTE BASEDIPPAP1311 BIOMASSIPPAP BAGASSEIPPAP9540 ALMATTI DAM PHHYDROKAR70165 BELLARY-TPSTHERMALKAR 500 PYKARA ULTIMATEHYDROTN150 BHAVANI STAGE IIHYDROTN30 KUTTALAMTHERMALTN100 ARKAY ENERGY LTD.IPPTN53 ABAN POWER CoIPPTN 103 TALCHER STAGE IITHERMALNTPC1000 TOTAL

EXPECTED TRANSMISSION LINES ADDITION UPTO MAR – 05 SLNONAME OF LINEOWNEREXPECTED DATE 1400KV KALPAKKA-VEMAGIRI D/CAPTRANSCOOct KV VEMAGIRI-NUNNA D/CAPTRANSCOOct KV MADURAI-TRIVANDARAM D/CPOWERGRID Feb-04 4 AUGMENTATION OF HVDC GAZUWAKA (500MW) POWERGRIDMar KV VIJAYAWADA-SITANAGARAM D/CPOWERGRIDMar KV SITANAGARAM-GAZUWAKA D/CPOWERGRIDMar-05

INTER REGIONAL IMPORTS (MU)

MAJOR ACHIEVEMENTS ABT IMPLEMENTED IN SR w.e.f. 01-JAN-03. DRAMATIC IMPROVEMENT IN FREQUENCY – 98% (16% LAST YEAR) TIME WITHIN IEGC RANGE OF HZ.DRAMATIC IMPROVEMENT IN FREQUENCY – 98% (16% LAST YEAR) TIME WITHIN IEGC RANGE OF HZ -UFR SETTING COULD BE RAISED TO 48.5HZ -EVER MINIMUM FVI 0.10 (ALL INDIA RECORD) SUBSTANTIAL IMPROVEMENT IN VOLTAGE DUE TO -BETTER FREQUENCY -ADDITION OF TRANSMISSION LINES (NAMELY KOLAR SYSTEM). AROUND 1500MW CAPACITY ADDITION IN SR SINCE JAN-03 -NEYVELI TPS I (Exp) 210MW, TALCHER STAGE II 2*500MW & S’SAILAM LB 2*150MW HYDRO POTENTIAL BEING OPTIMALLY UTILISED.HYDRO POTENTIAL BEING OPTIMALLY UTILISED GENERATORS OPERATING ON SYNCHRONOUS CONDENSOR MODE.GENERATORS OPERATING ON SYNCHRONOUS CONDENSOR MODE. BETTER UTILISATION OF PUMP STORAGE SCHEME.BETTER UTILISATION OF PUMP STORAGE SCHEME

MAJOR ACHIEVEMENTS MORE BILATERAL TRADINGS.MORE BILATERAL TRADINGS METICULOUS LOAD FORECASTING & MERIT ORDER DESPATCH BY CONSTITUENTS. BENEFITED FROM TALCHER – KOLAR LINK (4064MUs/1533MW MAX)BENEFITED FROM TALCHER – KOLAR LINK BEST UTILISATION OF UI MECHANISM MUs AVAILED FROM ER/WR UNDER UI ON 25-SEP-03 (MAX 1150MW) -NET 380MUs AVAILED FROM ER (23.41Crs saving by SR) -NET 19MUs EXPORTED TO WR (22.75Crs gained by SR) FGM OPERATION IN SR FROM 01-AUG-03. -SRLDC FILED A PETITION BEFORE CERC REGARDING NON- COMPLIANCE OF FGMO BY NTPC, RAMAGUNDAM

FREQUENCY SPECTRUM 2002 & 2003 FROM JAN TO OCT

FREQUENCY CURVE FOR 8 th AUGUST 2003 FVI = 0.10 Avg Freq = 50.00Hz

BANGALORE VOLTAGE COMPARISION

TALCHER-KOLAR TRANSMISSION SYSTEM LILO OF 400KV KOLAR23/08/03 23/08/03 400KV KOLAR-MADRAS08/09/0201/12/02 +/- 500KV POLE KOLAR15/09/0201/12/02 400KV SALEM-HOSUR11/10/0201/12/02 400/230KV ICT HOSUR11/10/0201/02/03 400KV KOLAR-HOODY II16/10/0201/02/03 400KV KOLAR-HOODY I14/11/0201/02/03 +/- 500KV POLE KOLAR17/12/0201/03/03 400/220KV KOLAR18/12/0201/02/03 400/230KV ICT HOSUR09/01/0301/02/03 400KV KOLAR-HOSUR D/C13/03/0301/04/03 400KV SALEM-UDUMALPET II04/05/0301/06/03 FIRST TIME COMML..

UTILISATION OF KADAMPARAI PUMP STORAGE SCHEME: GENERATOR MODEPUMP MODE Jan Feb Mar Apr May Jun Jul Aug Sep Oct TOTAL374430

TYPICAL DAY KADAMPARAI PSS OPERATION 03-AUG-03

BILATERAL TRADINGS SINCE JANUARY 2003

TALCHER-KOLAR IMPORT OF 4064MUs FROM ER THROUGH TALCHER-KOLAR UPTO OCT-03 YEAR ---> MONTHS TOTAL ENERGY (IN MU) MAX FLOW (IN MW) TOTAL ENERGY (IN MU) MAX FLOW (IN MW) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV77500 DEC TOTAL MAX

SUMMARY OF UI – 43 WKS TILL 26/10/03 STATE CUMULATIVE UI AVG UI RATETOT AMT (MU)PS/UNIT RS CRORES AP KAR KER TN PONDY GOA

CUMMULATIVE UI FROM ER TILL 26 TH OCT-03 SCHEDULE =2638MUs ACTUAL =3018MUs UI (ER TO SR)= 380MUs UI AT ER FREQ=Rs 50.31Crs UI AT SR FREQ=Rs 73.72Crs GAIN BY SR =Rs 23.41Crs

AVERAGE, MAXIMUM & MINIMUM DRAWAL OCT-03 STATEAVG DRAWALMAX DRAWAL OCT 03 TILL NOW MIN DRAWAL AP KAR KER TN PONDY

AVERAGE, MAXIMUM & MINIMUM DRAWAL SEP-03 STATEAVG DRAWALMAX DRAWALMIN DRAWAL AP KAR KER TN PONDY

AVERAGE, MAXIMUM & MINIMUM DRAWAL AUG-03 STATEAVG DRAWALMAX DRAWALMIN DRAWAL AP KAR KER TN PONDY

AVERAGE, MAXIMUM & MINIMUM DRAWAL JULY-03 STATEAVG DRAWAL MAX DRAWALMIN DRAWAL AP KAR KER TN PONDY

UFR SCHEME STATE Load relief in MW at 48.5 Hz./Inst48.2 Hz./Inst Hz./Inst. 1 Andhra Pradesh Karnataka Off peak-Peak Off peak-Peak Off peak-Peak 3 Kerala Off peak-Peak Off peak-Peak Off peak-Peak 4 Tamil Nadu Southern Region

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