LANDMARK EVENTS AVAILABILITY BASED TARIFF AVAILABILITY BASED TARIFF AVAILABILITY BASED TARIFF AVAILABILITY BASED TARIFF ULDC SCHEME ULDC SCHEME ULDC SCHEME ULDC SCHEME TALCHER KOLAR LINK TALCHER KOLAR LINK TALCHER KOLAR LINK TALCHER KOLAR LINK FREE GOVERNOR MODE FREE GOVERNOR MODE FREE GOVERNOR MODE FREE GOVERNOR MODE NEW PROJECTS NEW PROJECTS NEW PROJECTS NEW PROJECTS

AVAILABILTY BASED TARIFF

AVAILABILITY BASED TARIFF A RATIONAL TARIFF STRUCTURE A RATIONAL TARIFF STRUCTURE SCIENTIFIC SETTLEMENT SYSTEM …..COMPLEMENTS GRID SECURITY……RATHER THAN COMPROMISING IT !!! …..COMPLEMENTS GRID SECURITY……RATHER THAN COMPROMISING IT !!!

ABT AT WORK QUANTUM IMPROVEMENT IN SYSTEM PARAMETERS QUANTUM IMPROVEMENT IN SYSTEM PARAMETERS GRID FREQUENCY GRID FREQUENCY GRID FREQUENCY GRID FREQUENCY VOLTAGE PROFILE VOLTAGE PROFILE VOLTAGE PROFILE VOLTAGE PROFILE INNOVATIVE METHODS IN SYSTEM OPERATION INNOVATIVE METHODS IN SYSTEM OPERATION PUMP OPERATION AT KADAMPARAI PUMP OPERATION AT KADAMPARAI PUMP OPERATION AT KADAMPARAI PUMP OPERATION AT KADAMPARAI RE-ARRANGEMENT OF ELECTRICAL LOADS RE-ARRANGEMENT OF ELECTRICAL LOADS RE-ARRANGEMENT OF ELECTRICAL LOADS RE-ARRANGEMENT OF ELECTRICAL LOADS OPTIMAL UTILISATION OF RESERVOIRS OPTIMAL UTILISATION OF RESERVOIRS OPTIMAL UTILISATION OF RESERVOIRS OPTIMAL UTILISATION OF RESERVOIRS INTER REGIONAL TRADING INTER REGIONAL TRADING WIN-WIN SITUATION FOR BOTH REGIONS WIN-WIN SITUATION FOR BOTH REGIONS OPPORTUNISTIC UI TRANSACTIONS OPPORTUNISTIC UI TRANSACTIONS

FREQUENCY PROFILE

REALITY BITE: FARMERS IN KARNATAKA ARE HAPPY WITH FEWER HOURS OF QUALITY POWER!!. EFFICIENCY OF PUMPS AT TG HALLI WATER WORKS IMPROVED! COMPARISION OF BANGALORE VOLTAGE-TYPICAL DAY

WATER SUPPLY TO BANGALORE LOW VOLTAGE PROBLEMS AROUND BANGALORE HAMPERED WATER SUPPLY EARLIER WITH BETTER VOLTAGE NOW, PUMPING EFFICIENCY HAS IMPROVED 400 KV STATION AT MYSORE BEING COMMISSIONED ON WAR FOOTING TO FURTHER FORTIFY THIS PART OF THE GRID

KADAMPARAI OPERATION: TYPICAL DAY AROUND 700MU PUMPED SINCE JAN 2003

UTILISATION OF KADAMPARAI PUMP STORAGE SCHEME: ENERGY IN MUs GENERATOR MODE PUMP MODE GENERATOR MODE PUMP MODE JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC TOTAL TILL 22 ND MAY 2004

LOAD RE-ARRANGEMENT RESULTS IN SIGNIFICANT COST SAVINGS FOR THE CONSTITUENTS COMPARISION OF DEMAND IN SOUTHERN REGION-TYPICAL DAY

OPTIMAL RESERVOIR UTILISATION LINGANAMAKKI IN KARNATAKA ENERGY STORAGE IN MU (THIS YEAR) :- 1480MILLION UNITS ENERGY STORAGE IN MU (LAST YEAR) :- 834MILLION UNITS MORE THAN 400 MILLION UNITS OF ENERGY SAVED DUE TO IMPROVED OPERATIONAL EFFICIENCY AND OPTIMISATION MINIMUM /MAXIMUM HYDRO GENERATION BY KPTCL ON: 36mu on 26-jun mu on 16-May-04

HYDRO GENERATION KARNATAKA

ULDC SCHEME

Andhra Pradesh Karnataka Kerala Tamilnadu UT of Pondy Vijayawada Warangal HYDERABAD Ghanapur Chinkampalli CHENNAI Pondy Madurai Kannur-B KALAMASSERY Vydyuthi Bhavanam Erode MW Link FO Link State owneed Link Sub-LDC SLDC RCLDC Hubli Davangeree Bangalore Information Flow to Control Centres Satellite Ramagundam

Inter-Regional Energy Transfer ≈9700MU (HVDC) Transformation Capacity ≈ MVA Transformers (220kV and above) 480 nos. Installed Capacity ≈31316 MW Integrated Opn of Ten Power Utilities Dynamic Grid Conditions Southern Region Grid Complexities in Monitoring & Control Generators –Hydro, Thermal,Gas/IPP 412 nos. Transmission Network 400/220kV ≈ Ckm 40,000 POINTS Active Power, Reactive Power, Voltage, Frequency, Transformer Tap Position, Circuit Breaker Position, Isolator Position etc. PROJECT COST:Rs 6840 MILLION ----COMPLETED SIX MONTHS AHEAD

ULDC-THE EYES AND EARS OF THE SYSTEM OPERATOR ALL CONSTITUENTS GET THE SAME DATA IN REAL TIME. ALL CONSTITUENTS GET THE SAME DATA IN REAL TIME. TRANSPARENCY. TRANSPARENCY. SYNERGY IN OPERATION. SYNERGY IN OPERATION. NO “PASSING THE BUCK” APPROACH. NO “PASSING THE BUCK” APPROACH. QUANTUM LEAP IN VISIBILITY TO OPERATOR. QUANTUM LEAP IN VISIBILITY TO OPERATOR. INCREASED CONFIDENCE. INCREASED CONFIDENCE. FOCUS ON SECURITY AND ECONOMY. FOCUS ON SECURITY AND ECONOMY. INCRESED SCOPE FOR TRANSACTIONS WITH OTHER REGIONS INCRESED SCOPE FOR TRANSACTIONS WITH OTHER REGIONS PREMPTIVE, DYNAMIC “EARLY WARNING” SYSTEMS. PREMPTIVE, DYNAMIC “EARLY WARNING” SYSTEMS. GRID LESS VULNERABLE TO DISTURBANCES. GRID LESS VULNERABLE TO DISTURBANCES. ACCURATE AND EASY ANALYSIS OF GRID INCIDENTS ACCURATE AND EASY ANALYSIS OF GRID INCIDENTS FASTER RESTORATION AFTER PERTURBATION FASTER RESTORATION AFTER PERTURBATION COMPREHENSIVE EMS FUNCTIONS. COMPREHENSIVE EMS FUNCTIONS.

SCADA SYSTEM SCADA SYSTEM FULLY FUNCTIONAL SCADA SYSTEM FULLY FUNCTIONAL DATA COLLECTION/ ARCHIVING DATA COLLECTION/ ARCHIVING DDC ( DISTURBANCE DATA COLLECTION) BEING EXTENSIVELY USED DDC ( DISTURBANCE DATA COLLECTION) BEING EXTENSIVELY USED TREND GRAPHS USED EXTENSIVELY BY SYSTEM OPERATORS AT RSCC AND SLDC’S TREND GRAPHS USED EXTENSIVELY BY SYSTEM OPERATORS AT RSCC AND SLDC’S ALARMS AND EVENTS DATABASE BEING CONFIGURED ALARMS AND EVENTS DATABASE BEING CONFIGURED

ULDC : EMS FUNCTIONS REAL TIME NETWORK ANALYSIS REAL TIME NETWORK ANALYSIS IN OPERATION IN OPERATION STATE ESTIMATION TOOL STATE ESTIMATION TOOL REAL TIME CONTINGENCY ANALYSIS REAL TIME CONTINGENCY ANALYSIS CONTINGENCY CAN BE ANALYSED BY OPERATOR CONTINGENCY CAN BE ANALYSED BY OPERATOR SYSTEM SUGGESTS REMEDIAL AND PREVENTATIVE ACTIONS SYSTEM SUGGESTS REMEDIAL AND PREVENTATIVE ACTIONS

TRAINING PROGRAMS IDENTIFY AND ADDRESS TRAINING NEEDS IDENTIFY AND ADDRESS TRAINING NEEDS INTER-NETWORKING TRAINING INTER-NETWORKING TRAINING IDENTIFIED AS KEY AREA IDENTIFIED AS KEY AREA ADDRESSED BY AN EXHAUSTIVE TRAINING BY REPUTED COMPANY ADDRESSED BY AN EXHAUSTIVE TRAINING BY REPUTED COMPANY PARTICIPANTS GAVE EXCELLENT FEEDBACK PARTICIPANTS GAVE EXCELLENT FEEDBACK TRAINING ON AIX OPERATING SYSTEM AND NETWORKING COMPLETED- NMS AND SQL ON ANVIL TRAINING ON AIX OPERATING SYSTEM AND NETWORKING COMPLETED- NMS AND SQL ON ANVIL RE-TRAINING STRATEGY RE-TRAINING STRATEGY TRAINING FOR XA21 OPERATORS WILL BE CONDUCTED EVERY ALTERNATE MONTH BY SRLDC – 3 RD PROGRAMME CONDUCTED DURING FEB’04 TRAINING FOR XA21 OPERATORS WILL BE CONDUCTED EVERY ALTERNATE MONTH BY SRLDC – 3 RD PROGRAMME CONDUCTED DURING FEB’04 TRAINING PROGRAMME FOR DEVELOPERS PLANNED EVERY TWO MONTHS –WORKSHOP ON RTNA COMPLETED IN MARCH TRAINING PROGRAMME FOR DEVELOPERS PLANNED EVERY TWO MONTHS –WORKSHOP ON RTNA COMPLETED IN MARCH CUSTOMISED MODULES WOULD BE SETUP AS PER REQUIREMENT: LOAD FORECAST – JULY 2004 CUSTOMISED MODULES WOULD BE SETUP AS PER REQUIREMENT: LOAD FORECAST – JULY 2004

TALCHER-KOLAR HVDC LINK

HVDC STATION KOLAR (KARNATAKA ) TALCHER ORISSA ) TALCHER KOLAR HVDC LINE LENGTH:1400 KMS

TALCHER KOLAR LINK ONE OF THE LONGEST HVDC LINES IN THE WORLD ONE OF THE LONGEST HVDC LINES IN THE WORLD DESIGNED TO EVACUATE 2000 MW DESIGNED TO EVACUATE 2000 MW COMMISSIONED IN ADVANCE TO UTILISE NON- PEAK SURPLUS POWER OF EASTERN REGION COMMISSIONED IN ADVANCE TO UTILISE NON- PEAK SURPLUS POWER OF EASTERN REGION COMMISSIONED 9 MONTHS AHEAD OF SCHEDULE COMMISSIONED 9 MONTHS AHEAD OF SCHEDULE COST INCURRED Rs 3,100 CRORES AGAINST APPROVED COST OF Rs 3,866 CRORES:- SAVING OF NEARLY 800 CRORE RUPEES COST INCURRED Rs 3,100 CRORES AGAINST APPROVED COST OF Rs 3,866 CRORES:- SAVING OF NEARLY 800 CRORE RUPEES THE PROJECT HAS USED APPROXIMATELY 90,000 TONNES OF STEEL AND 16,000 KM OF CABLES THE PROJECT HAS USED APPROXIMATELY 90,000 TONNES OF STEEL AND 16,000 KM OF CABLES

TALCHER KOLAR HVDC LINK BENEFITS TO SOUTHERN REGION SUBSTANTIAL IMPROVEMENT IN THE VOLTAGE PROFILE FOR THE REGION. SUBSTANTIAL IMPROVEMENT IN THE VOLTAGE PROFILE FOR THE REGION. TRUNK LINE LOADINGS EASED – INCREASED TRANSFER MARGIN. TRUNK LINE LOADINGS EASED – INCREASED TRANSFER MARGIN. IMPORT FROM ER AROUND 1500 MW IMPORT FROM ER AROUND 1500 MW MORE DEMAND IS BEING MET. MORE DEMAND IS BEING MET. DEPLETED HYDRO RESERVES IS BEING CONSERVED. DEPLETED HYDRO RESERVES IS BEING CONSERVED. AVERAGE COST OF POWER IS BROUGHT DOWN AVERAGE COST OF POWER IS BROUGHT DOWN SURPLUS IN ER EFFECTIVELY UTILISED SURPLUS IN ER EFFECTIVELY UTILISED PERFORMANCE IMPROVEMENT OF POWER STATIONS IN EASTERN REGION PERFORMANCE IMPROVEMENT OF POWER STATIONS IN EASTERN REGION INCREASED TRANSACTIONS INCREASED TRANSACTIONS

REVIVAL OF DORMANT INTERSTATE LINES AND NEW PROJECTS

YERRANDAHALLI-HOSUR :- A SUCCESS STORY ORIGINALLY CONCIEVED AS 220 KV SINGARPET- PEENYA LINE – COMMISSIONED 24 TH NOV 1965 ORIGINALLY CONCIEVED AS 220 KV SINGARPET- PEENYA LINE – COMMISSIONED 24 TH NOV 1965 PEAK FLOW MW-66 MU FOR YEAR PEAK FLOW MW-66 MU FOR YEAR LILO’D AT SOMANAHALLI, YERRANDAHALLI IN KARNATAKA LILO’D AT SOMANAHALLI, YERRANDAHALLI IN KARNATAKA LILO’D AT HOSUR(OLD), HOSUR(NEW) IN TAMILNADU LILO’D AT HOSUR(OLD), HOSUR(NEW) IN TAMILNADU DORMANT FOR OVER A DECADE ( ) DORMANT FOR OVER A DECADE ( ) CHARGED IN RADIAL MODE 7 th SEPT 2002 CHARGED IN RADIAL MODE 7 th SEPT 2002 SYNCHRONISED TO THE GRID ON 7 th JAN 04 SYNCHRONISED TO THE GRID ON 7 th JAN 04 ADVANTAGES ADVANTAGES LOSS REDUCTION LOSS REDUCTION VOLTAGE IMPROVEMENT VOLTAGE IMPROVEMENT

CITY RING MAIN NETWORK BANGALORE CITY RING MAIN IN PLACE BANGALORE CITY RING MAIN IN PLACE BANGALORE CITY RING MAIN IN PLACE BANGALORE CITY RING MAIN IN PLACE CHENNAI RING MAIN PLANNED CHENNAI RING MAIN PLANNED HYDERABAD-SECUNDERABAD HYDERABAD-SECUNDERABAD TWO 400 KV STATIONS AT PRESENT TWO 400 KV STATIONS AT PRESENT THIRD TOUCH POINT AND RING MAIN TO BE PLANNED THIRD TOUCH POINT AND RING MAIN TO BE PLANNED TRIVANDRUM TRIVANDRUM PRESENTLY A SINGLE TOUCH POINT -- UNDER CONSTRUCTION PRESENTLY A SINGLE TOUCH POINT -- UNDER CONSTRUCTION

PROJECTS IN THE PIPELINE IN SOUTHERN REGION

PROJECTS IN SOUTHERN REGION 400 KV NELAMANGALA-MYSORE LINE WITH 400 KV SUBSTATION AT MYSORE 400 KV NELAMANGALA-MYSORE LINE WITH 400 KV SUBSTATION AT MYSORE 400 KV KAIGA-NARENDRA LINK 400 KV KAIGA-NARENDRA LINK 400 KV SUB STATION AT NARENDRA 400 KV SUB STATION AT NARENDRA 400 KV RING MAIN AROUND BANGALORE 400 KV RING MAIN AROUND BANGALORE 400 KV 2 nd GOOTY-BANGALORE LINK 400 KV 2 nd GOOTY-BANGALORE LINK 400 KV RAICHUR-GOOTY D/C QUAD LINE 400 KV RAICHUR-GOOTY D/C QUAD LINE 400 KV STATION AT HASSAN :- LILO OF EXISTING TALAGUPPA-NELAMANGALA LINE AT HASSAN OR 400 KV HASSAN-GUTTUR LINE 400 KV STATION AT HASSAN :- LILO OF EXISTING TALAGUPPA-NELAMANGALA LINE AT HASSAN OR 400 KV HASSAN-GUTTUR LINE

PROJECTS IN SOUTHERN REGION LILO OF KOLAR-MADRAS LINE AT MELKOTTAIYUR LILO OF KOLAR-MADRAS LINE AT MELKOTTAIYUR LILO OF CUDDAPAH-MADRAS LINE AT CHITTOR LILO OF CUDDAPAH-MADRAS LINE AT CHITTOR LILO OF ONE CKT NELLORE-MADRAS LINE AT ALMATHI LILO OF ONE CKT NELLORE-MADRAS LINE AT ALMATHI 400 KV SS AT ALMATHI 400 KV SS AT ALMATHI 400 KV SS AT MELKOTTAYUR 400 KV SS AT MELKOTTAYUR 400 KV SS AT CHITOOR 400 KV SS AT CHITOOR 400 KV D/C MADURAI-PUGALUR LINE 400 KV D/C MADURAI-PUGALUR LINE 400 KV D/C NEYVELI-PUGALUR LINE 400 KV D/C NEYVELI-PUGALUR LINE 400 KV SS AT PUGALUR 400 KV SS AT PUGALUR 400 KV D/C UDUMALPET- ARASUR LINE 400 KV D/C UDUMALPET- ARASUR LINE 400 KV SS AT ARASUR 400 KV SS AT ARASUR

PROJECTS IN SOUTHERN REGION 400 KV MADURAI-TRIVANDRUM LINE 400 KV MADURAI-TRIVANDRUM LINE 400 KV RAMAGUNDAM – HYDERABAD-GOOTY- BANGALORE LINE 400 KV RAMAGUNDAM – HYDERABAD-GOOTY- BANGALORE LINE ADDITIONAL 500 MW HVDC POLE AT GAZUWAKA ADDITIONAL 500 MW HVDC POLE AT GAZUWAKA SYSTEM AUGMENTATION PROJECTS SYSTEM AUGMENTATION PROJECTS 400 KV KHAMMAM-N’SAGAR: RECENTLY COMMISSIONED 400 KV KHAMMAM-N’SAGAR: RECENTLY COMMISSIONED LILO OF N’SAGAR-GOOTY AT KURNOOL LILO OF N’SAGAR-GOOTY AT KURNOOL NEW 400 KV SS IN TAMIL NADU NEW 400 KV SS IN TAMIL NADU ADDITIONAL 400 KV SS NEAR MADRAS ADDITIONAL 400 KV SS NEAR MADRAS 400 KV BACKBONE CORRIDOR IN KERALA 400 KV BACKBONE CORRIDOR IN KERALA ENHANCEMENT OF CAPACITY OF TALCHER POLES BY 500MW (FROM 1000 MW PER POLE TO 1250 MW) ENHANCEMENT OF CAPACITY OF TALCHER POLES BY 500MW (FROM 1000 MW PER POLE TO 1250 MW) KOODANKULAM EVACUATION SCHEME – 2000 MW CAPACITY KOODANKULAM EVACUATION SCHEME – 2000 MW CAPACITY

KOODANKULAM EVACUATION 400 KV D/C QUAD LINE TO TIRUNELVELI 400 KV D/C QUAD LINE TO TIRUNELVELI 2 nd 400 KV D/C QUAD TO TIRUNELVELI ON SEPARATE ROUTE 2 nd 400 KV D/C QUAD TO TIRUNELVELI ON SEPARATE ROUTE LILO OF 400 KV D/C TIRUNELVELI LILO OF 400 KV D/C TIRUNELVELI 400 KV D/C TIRUNELVELI-UDUMALPET LINE 400 KV D/C TIRUNELVELI-UDUMALPET LINE 400 KV D/C TIRUNELVELI-COCHIN-THRISSUR LINE 400 KV D/C TIRUNELVELI-COCHIN-THRISSUR LINE 400 KV D/C TIRUNELVELI-EDAMON LINE 400 KV D/C TIRUNELVELI-EDAMON LINE 400 KV D/C TIRUNELVELI-COCHIN-THRISSUR LINE AND THE 400 KV D/C TIRUNELVELI-EDAMON LINE WOULD BE ON THE SAME MULTI- CIRCUIT TOWER USING ROW OF EXISTING 220 KV EDAMON- KAYATHAR LINE. 400 KV D/C TIRUNELVELI-COCHIN-THRISSUR LINE AND THE 400 KV D/C TIRUNELVELI-EDAMON LINE WOULD BE ON THE SAME MULTI- CIRCUIT TOWER USING ROW OF EXISTING 220 KV EDAMON- KAYATHAR LINE. 400 KV D/C TIRUNELVELI-EDAMON LINE TO BE CHARGED AT 220 KV INITIALLY. 400 KV D/C TIRUNELVELI-EDAMON LINE TO BE CHARGED AT 220 KV INITIALLY. 400 KV D/C TIRUNELVELI-EDAMON LINE WOULD LATER BE EXTENDED TO TRIVANDRUM 400 KV D/C TIRUNELVELI-EDAMON LINE WOULD LATER BE EXTENDED TO TRIVANDRUM

TIRUNELVELI KOODANKULAM TRIVANDRUM EDAMON COCHIN THRISSUR MADURAI UDUMALPET ARASUR NLY-EXP NEYVELI BAHOOR PUGALUR TRICHY SALEM HOSUR MYSORE SP-BUDUR MELKOTTAIYUR ALMATHI CHITOOR KOLAR S’HALLI NLMNG HOODY KOODANKULAM TRANSMISSION SYSTEM AS APPROVED IN 17 TH STANDING COMMITTEE MEETING HELD AT BANGALORE IN SEP03 JAYAMKONDAM KARAIKUDI TIRUNELVELI- EDAMON AND TIRUNELVELI- COCHIN ON MULTI-CKT TOWERS ENJOY THE EXISTING CORRIDOR OF 220 KV EDAMON- KAYATHAR LINE FOR PART OF THE DISTANCE. TIRUNELVELI- EDAMON TO BE OPERATED AT 220 KV INITIALLY KOODANKULAM -TIRUNELVELI LINK IS THROUGH TWO 400 KV D/C QUAD LINES ON TWO SEPARATE CORRIDORS. TENTATIVE COST 880 CR

FREE GOVERNOR MODE OF OPERATION

HIGHLIGHTS 20,500MW (70% of I/C) ON FGMO. 20,500MW (70% of I/C) ON FGMO. FREQUENCY FLUCTUATIONS – SMOOTHER NOW FREQUENCY FLUCTUATIONS – SMOOTHER NOW MERIT ORDER DESPATCH – PRICE SIGNAL VISIBLE MERIT ORDER DESPATCH – PRICE SIGNAL VISIBLE NO UFR (< 48.5HZ) OPERATION SINCE JULY-03 INSPITE OF CONTINGENCIES. NO UFR (< 48.5HZ) OPERATION SINCE JULY-03 INSPITE OF CONTINGENCIES. UFR STG 1 OPERATED TWICE IN 500 DAYS UFR STG 1 OPERATED TWICE IN 500 DAYS CERTIFICATION OF FGMO BY STATION IN- CHARGE – THREE TIER MONITORING CERTIFICATION OF FGMO BY STATION IN- CHARGE – THREE TIER MONITORING STATION-INCHARGE STATION-INCHARGE SLDC SLDC RLDC RLDC CONSTITUENTS INTERACTING WITH MANU- FACTURERS. CONSTITUENTS INTERACTING WITH MANU- FACTURERS.

STATUS OF FGMO IN SR (ABSTRACT) STATE CAPACITY ON FGMO ( MW ) HYDRO > 50 MW THERMAL/ GAS > 200 MW TOTAL ANDHRA PRADESH3,1803,7556,935 KARNATAKA2,5091,2603,769 KERALA1, ,010 TAMIL NADU8002,5203,320 ISGS---2,940 TOTAL7,49910,47517,974 DEMAND VS FREQ GRAPHS FGM GRAPHS KTS ALL UNITS TRIP- SCADA SNAPS

BANGALORE 400 KV RING MAIN 400 KV RING MAIN SOMANAHALLI NELAMANGALA KOLAR HOODY FROM GOOTY

BANGALORE 400 KV RING MAIN 400 KV RING MAIN SOMANAHALLI NELAMANGALA KOLAR HOODY FROM GOOTY