SYSTEM OPERATION

AVG, MAX & MINDRAWAL

SHARE ALLOCATION INTER-REGIONALIMPORTS

3D FREQ OCT-03 3D SR DEMANDFREQ COMPARISION

OCT-02 & OCT-03

GENERATION ADDITIONUFR SCHEME TRANSMISSION LINESADDITION

SR INSTALLED CAPACITYSR GRIDINTER-REGIONAL

LINKS

STATEWISE I/C HIGHLIGHTS I/C Vs DEMAND GROWTH

GT/ICT TAP DETAILS3D UI RATE OCT-03

3D VIRTUAL REALITYISGS/INTER-REGIONAL

3D VIRTUAL REALITYSTATE

MORE LINK TOREACTIVE

MAJOR ACHIEVEMENTS

3D VIRTUAL REALITYDEMAND

ANDHRA PRADESH KERALAKERNATAKA TAMIL NADU

STATE SCHEDULE

ANDHRA PRADESH KERALAKERNATAKA TAMIL NADU

STATE DRAWAL

ANDHRA PRADESH KERALAKERNATAKA TAMIL NADU

STATE UI

ANDHRA PRADESH KERALAKERNATAKA TAMIL NADU

PONDY GOA

PONDY GOA

PONDY GOA

3D VIRTUAL REALITYISGS INJECTION

NTPC NLY-II STAGE IINLY-II STAGE I TALCHER STAGE II

ISGS UI

INTER-REGIONAL EXCHANGES

WR ER

NEYVELI TPS I (Exp) MAPSKAIGA SPARE

NTPC NLY-II STAGE IINLY-II STAGE I TALCHER STAGE II

NEYVELI TPS I (Exp) MAPSKAIGA SPARE

MORE LINKS TO REACTIVE

REACTORS POSITION CAPABILITY CURVESREACTIVE ENERGY

LOW VOLTAGE

REACTIVE ENERGYHIGH VOLTAGE

SCHEDULE Vs DRAWAL

SCROLL GRAPHS ANDHRA PRADESH

SCROLL GRAPHS KARNATAKA

SCROLL GRAPHS KERALA

SCROLL GRAPHSTAMIL NADU

SCROLL GRAPHSPONDY

SCROLL GRAPHSGOA

SCROLL GRAPHSNTPC

SCROLL GRAPHS NLCSCROLL GRAPHSNLY –II STAGE 2

SCROLL GRAPH NLY – II STAGE 1

SCROLL GRAPHSTALCHER STAGE II SPARESCROLL GRAPH

NLY TPS – I (Exp)

SR GRID MAP

KHAMMAM

VIJAYAWADANAGARJUNASAGAR

VISAKHAPATNAM (POWERGRID)HYDERABAD

RAICHUR

GOOTY

HOODY

SALEM

UDUMALPET

TRICHUR

MADURAI

TRICHY

MADRAS

NEYVELI

CUDDAPAHDAVANAGERE

KAIGA115

317

RSTPP

BHADRAVATI

130x2

164x

218

2

151

181

173

302

308172

277

279

155

178x

2

PONDICHERY

BANGALORE

SIRSI

MUNIRABAD

PP

P

P

P

P

P

P

P

P

P

PP

P

P

N

KOLAR

PALLOM

KAYANKULAM EDAMON

TALCHER

JEYPORE

63

187

2x78

2x221

54

HOSUR

KADRA

KODASAALY

Nagjhari

1

120

60

MAPS

P

SSLMM

MMDP

THIRUVANATHAPURAM

ALMATHI

NELLORE400 KV LINE PRESENTLY

OPERATED AT 220 KV NELAMANGALA

KURNOOL

GAZUWAKA(AP)

SIMHADRI NTPC

HIRIYUR

189

195

267x

2

258

242

98

175

179

127

130x

2

221x2

146x2

52x2

197x2

301x2

8x4

15x2

300

28

330

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

14336 (49%)

10530 (36%)780 (3%)2783 (9%)

28 (0.1%)

943 (3%)

HYDRO THERMAL GAS WIND IPP NUCLEAR

INSTALLED CAPACITY OF SOUTHERN REGION AS ON 01-11-2003 IN MW

29400MW

AP31%

KAR17%KER

9%

TN23%

CGS20%

PONDY0.1%

STATEWISE BRAKUP OF INSTALLED CAPACITY IN SR AS ON 01-11-2003

IN MW

29400MW

• Installed Capacity - 29,400MW

• Average Daily Consumption - 359 MU

•Average Grid Frequency- 49.79 HZ

•Peak Demand Met - 19,944 MW

•Demand Deficit - 2 %

•Energy Deficit - 5 %

SOUTHERN REGIONAL GRID HIGHLIGHTS

GROWTH OF I/C Vs DEMAND MET

0

5000

10000

15000

20000

25000

30000

DMDI.C

DMD 9204 10206 10874 11690 12838 13138 14296 15682 17180 18535 19428 20063 20428I.C 16641 17074 17423 18360 19475 19830 20304 21298 22133 22983 24173 26163 28501

1990-91 1991-92 1992-93 1993-94 1994-95 1995-96 1996-97 1997-98 1998-99 1999-00 2000-01 2001-02 2002-03

% Growth

DMD

10.9 6.5 7.5 9.8 2.3 8.8 9.7 9.6 7.9 4.8 3.3 1.8

% Growth

I/C

2.6 2.0 5.4 6.1 1.8 2.4 4.9 3.9 3.8 5.2 8.2 8.9

SHARE ALLOCATION

STAGE-I STAGE-II1 Andhra Pradesh 676 105 192 --- 32 --- 120 20 31 9 1185 10672 Karnataka 416 145 195 105 26 131 121 34 51 15 1237 11133 Kerala 309 72 102 59 21 57 87 24 37 11 781 7034 Tamil Nadu 529 186 278 239 256 240 152 74 113 34 2101 18915 Pondy 70 72 23 17 5 12 20 5 8 2 234 2106 Goa 100 --- --- --- --- --- --- --- --- --- 100 907 NLC --- 50 50 --- --- --- --- --- --- --- 100 90

TOTAL 2100 630 840 420 340 440 500 157 240 71 5738 5164

STAGE-I STAGE-II1 Andhra Pradesh 676 105 192 --- 32 --- 484 20 31 9 1548 13942 Karnataka 416 145 195 105 26 131 478 34 51 15 1595 14363 Kerala 309 72 102 59 21 57 348 24 37 11 1043 9384 Tamil Nadu 529 186 278 239 256 240 612 74 113 34 2560 23045 Pondy 70 72 23 17 5 12 78 5 8 2 292 2626 Goa 100 --- --- --- --- --- --- --- --- --- 100 907 NLC --- 50 50 --- --- --- --- --- --- --- 100 90

TOTAL 2100 630 840 420 340 440 2000 157 240 71 7238 6514

S No TOTAL GROSS

TOTAL Ex-PP

NLY TPS I (Exp)SEB's NEYVELI-II MAPS KAPS FARAKKA

SHARE ALLOCATION WITH TALCHER STG II 500MW

RAMAGUNDAM TAL STG II KHALGAON TALCHER

SHARE ALLOCATION WITH TALCHER STG II 2000MW

S No SEB's RAMAGUNDAM NEYVELI-II NLY TPS I (Exp) MAPS KAPS TAL STG

II FARAKKA KHALGAON TALCHER TOTAL GROSS

TOTAL Ex-PP

EXPECTED GENERATIONS ADDITION UPTO MAR – 05

NAME OF THE STATIONHYDRO

THERMAL IPP's

UTILITY

EXPECTED IN 2003-

04

EXPECTED IN 2004-

05SRISAILAM LEFT BANK HYDRO AP 150  MINI HYDEL IPP AP 30  WIND ENERGY IPP AP 55  MINI POWER PLANTS IPP AP 309 60INDUSTRIAL WASTE BASED IPP AP 16 33MUNICIPAL WASTE BASED IPP AP 13 11BIOMASS IPP AP 114 126BAGASSE IPP AP 95 40ALMATTI DAM PH HYDRO KAR 70 165BELLARY-TPS THERMAL KAR   500PYKARA ULTIMATE HYDRO TN 150  BHAVANI STAGE II HYDRO TN 30 30KUTTALAM THERMAL TN 100  ARKAY ENERGY LTD. IPP TN 53  ABAN POWER Co IPP TN   103

TALCHER STAGE II THERMAL NTPC 1000TOTAL 1185 2068

EXPECTED TRANSMISSION LINES ADDITION UPTO MAR – 05

SLNO NAME OF LINE OWNER EXPECTED DATE

1 400KV KALPAKKA-VEMAGIRI D/C APTRANSCO Oct-04

2 400KV VEMAGIRI-NUNNA D/C APTRANSCO Oct-04

3 400KV MADURAI-TRIVANDARAM D/C POWERGRID Feb-04

4 AUGMENTATION OF HVDC GAZUWAKA (500MW) POWERGRID Mar-05

5 400KV VIJAYAWADA-SITANAGARAM D/C POWERGRID Mar-05

6 400KV SITANAGARAM-GAZUWAKA D/C POWERGRID Mar-05

0

500

1000

1500

2000

2500

3000

3500

4000

4500

GAZUWAKA + KOLAR 0 0 1468 2513 3666 4199CHANDRAPUR 403 1571 904 527 788 165TOTAL 403 1571 2372 3040 4454 4364

1997-98 1998-99 1999-00 2000-01 2001-02 2002-03

INTER REGIONAL IMPORTS (MUINTER 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 49-50.5HZ.

- 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.•GENERATORS OPERATING ON SYNCHRONOUS CONDENSOR MODE.

• BETTER UTILISATION OF PUMP STORAGE SCHEME.

MAJOR ACHIEVEMENTS• MORE BILATERAL TRADINGS.

• METICULOUS LOAD FORECASTING & MERIT ORDER DESPATCH BY CONSTITUENTS.

• BENEFITED FROM TALCHER – KOLAR LINK (4064MUs/1533MW MAX)

• BEST UTILISATION OF UI MECHANISM- 12.96MUs 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

<491

49.0 & < 49.59%

49.5 & < 50.589%

50.5 & More1%

<4982.0%

49.0 & < 49.57.2%

49.5 & < 50.58.8%

50.5 & More2.0%

FREQUENCY SPECTRUM 2002 & 2003FROM JAN TO OCT

2003

2002

FREQUENCY CURVE FOR 8FREQUENCY CURVE FOR 8thth AUGUST 2003 AUGUST 2003FVI = 0.10

Avg Freq = 50.00Hz

48.0

48.5

49.0

49.5

50.0

50.5

51.0

51.5

00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23

BANGALORE VOLTAGE COMPARISION

BANGALORE<360KV

19%

360-380 KV16%380-420 KV

65%

>420 KV0%

BANGALORE

380-420 KV99%

<360KV0%

360-380 KV1%

>420 KV0%

TALCHER-KOLAR TRANSMISSION SYSTEM

• LILO OF 400KV CDP-BNG @ KOLAR 23/08/03 23/08/03• 400KV KOLAR-MADRAS 08/09/0201/12/02• +/- 500KV POLE I @ KOLAR 15/09/0201/12/02• 400KV SALEM-HOSUR 11/10/02 01/12/02• 400/230KV ICT II @ HOSUR 11/10/02 01/02/03• 400KV KOLAR-HOODY II 16/10/0201/02/03• 400KV KOLAR-HOODY I 14/11/02 01/02/03• +/- 500KV POLE II @ KOLAR 17/12/0201/03/03• 400/220KV ICT @ KOLAR 18/12/0201/02/03• 400/230KV ICT I @ HOSUR 09/01/0301/02/03• 400KV KOLAR-HOSUR D/C 13/03/0301/04/03• 400KV SALEM-UDUMALPET II 04/05/0301/06/03

FIRST TIME FIRST TIME COMML..COMML..

UTILISATION OF KADAMPARAI PUMP STORAGE SCHEME:

 GENERATOR

MODE PUMP MODE

Jan-03 39 38

Feb-03 39 46

Mar-03 32 51

Apr-03 35 40

May-03 37 43

Jun-03 29 45

Jul-03 47 49

Aug-03 54 55

Sep-03 36 48

Oct-03 26 15

TOTAL 374 430

KADAMPARAI GENERATION/PUMP Vs FREQUENCY FOR

-300-200-100

0100200300400500

00:0

001

:00

02:0

003

:00

04:0

005

:00

06:0

007

:00

08:0

009

:00

10:0

011

:00

12:0

013

:00

14:0

015

:00

16:0

017

:00

18:0

019

:00

20:0

021

:00

22:0

023

:00

00:0

0

TIME ---->

IN M

W --

-->

48.8049.0049.2049.4049.6049.8050.0050.2050.4050.60

FREQ

UENC

Y IN

HZ

----

>

KADAMPARAI FREQ

TYPICAL DAY KADAMPARAI PSS OPERATION

03-AUG-03

BILATERAL TRADINGS SINCE JANUARY 2003

SL.NO SELLER BUYER TRADER COMM. DATE END DATE QUANTUM(MW) PERIOD REMARKS

1 NLC LIMITED PONDY DIRECT 01.01.03 31.12.03 0-15 24HRS

2 KSEB TNEB DIRECT 22.01.03 ACTIVE 0-160 24HRS

3 DVC KSEB PTC(ER) 10.03.03 15.07.03 100 0-16:30 & 22:30 -24:00

4 DVC KPTCL PTC(ER) 23.03.03 21.04.03 1000-16:30 &

22:30 -24:0007.09.03 21.09.03 200 05:00-17:0022.09.03 23.09.03 400 05:00-17:0022.09.03 23.09.03 200 22:30-05:00

24.09.03 30.09.03 1000-05:00 &

22:30 -24:0024.09.03 21.10.03 200 05:00-17:00 STOPPED

6 GRIDCO PONDY PTC(ER) 24.09.03 08.10.03 25 24HRS STOPPED

7 GOA DTCGLOBAL ENERGY

19.06.03 30.09.03 0-50 00:00-22:00 STOPPED

8 GRIDCO KPTCL NVVN LTD 01.10.03 15.11.03 100 22:30-16:309 WBSEB KPTCL PTC 12.10.03 30.11.03 50-100 22:30-16:30

10 APTRANSCO MPSEB PTC 23.10.03 06.11.03 200 18:00-24:00

11 NEEPCO CSEB PTC 31.10.03 31.10.03 55-150 16:30-22:30 STOPPED

12 NEEPCO MPSEB PTC 28.10.03 31.10.03 50 00:00-24:00 STOPPED

STOPPEDWBSEB APTRANSCO PTC(ER)5

TALCHER-KOLAR IMPORT OF 4064MUs FROM ER THROUGH TALCHER-KOLAR UPTO OCT-03

YEAR ---> 2002 2003

MONTHS

TOTAL ENERGY (IN MU)

MAX FLOW (IN MW)

TOTAL ENERGY (IN MU)

MAX FLOW (IN

MW)JAN --- --- 311 850

FEB --- --- 273 1010

MAR --- --- 491 1316

APR --- --- 473 1183

MAY --- --- 172 1026

JUN --- --- 277 994

JUL --- --- 319 1075

AUG --- --- 346 1088

SEP 6 200 512 1533

OCT 58 500 508 1458 

NOV 77 500    

DEC 241 750    

TOTAL 382   3682  MAX   750   1533

SUMMARY OF UI – 43 WKSTILL 26/10/03

STATECUMULATIVE

UIAVG UI RATE TOT AMT

  (MU) PS/UNITRS

CRORES

AP -1272 169 -215

KAR 997 151 150

KER 569 163 93

TN 392 199 78

PONDY -54 151 -8

GOA -41 186 -8

CUMMULATIVE UI FROM ER TILL 26TH 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 DRAWALOCT-03

STATE AVG DRAWAL MAX DRAWALOCT 03 TILL NOW

MIN DRAWAL

AP 730 1590 1860 -80

KAR 1010 1660 1980 480

KER 540 825 951 200

TN 1300 2290 2304 -100

PONDY 165 220 220 55

AVERAGE, MAXIMUM & MINIMUM DRAWALSEP-03

STATE AVG DRAWAL MAX DRAWAL MIN DRAWAL

AP 973 1840 104

KAR 998 1809 558

KER 555 951 306

TN 1560 2304 640

PONDY 175 218 77

AVERAGE, MAXIMUM & MINIMUM DRAWALAUG-03

STATE AVG DRAWAL MAX DRAWAL MIN DRAWAL

AP 640 1260 - 20

KAR 950 1800 450

KER 500 880 130

TN 1550 2340 750

PONDY 165 215 70

AVERAGE, MAXIMUM & MINIMUM DRAWALJULY-03

STATE AVG DRAWAL

MAX DRAWAL MIN DRAWAL

AP 465 1185 - 300

KAR 895 1775 395

KER 380 615 125

TN 1365 2060 790

PONDY 165 205 95

UFR SCHEME STATE

Load relief in MW at

48.5 Hz./Inst 48.2 Hz./Inst. 48.0 Hz./Inst.

1 Andhra Pradesh 358 567 975

2 Karnataka 200-331Off peak-Peak

245-475Off peak-Peak

185-230Off peak-Peak

3 Kerala 73-117Off peak-Peak

118-203Off peak-Peak

291-434Off peak-Peak

4 Tamil Nadu 263 409 754

Southern Region 894-1069 1339-1654 2205-2393

Thank you