Overview of ER & Availability Based Tariff P.Mukhopadhyay

ASSAM BANGLADESH NEPAL MADHYA PRADESH UTTAR PRADESH POWERGRID ERLDC BHUTAN ANDHRA PRADESH BAY OF BENGAL BHUBANESWAR CALCUTTA PATNA GANGTOK NOT TO SCALE LEGEND < 25 MW MW MW >100 MW EASTERN REGIONAL LOAD DESPATCH CENTRE 14, GOLF CLUB ROAD, TOLLYGUNGE,CLACUTTA ASSAM BANGLADESH NEPAL MADHYA PRADESH UTTAR PRADESH POWERGRID ERLDC BHUTAN ANDHRA PRADESH BAY OF BENGAL BHUBANESWAR CALCUTTA PATNA GANGTOK NOT TO SCALE LEGEND < 25 MW MW MW >100 MW LEGEND < 25 MW MW MW >100 MW EASTERN REGIONAL LOAD DESPATCH CENTRE 14, GOLF CLUB ROAD, TOLLYGUNGE,CLACUTTA

W.BENGAL BIHAR JHARKHAND ORISSA Sikkim 132 kVSahupuri-KarmanasaS/C kVRihand-Sonenagar 220 kVDehri-Sahupuri 220 kVBalimela(Orissa)-Upper Sileru 220 kVBirpara-SalaktiD/C line kvRihand-Garwah 220 KVKorba(MP)–Budhipadar (Orissa) Tala Allahabad B’nggon Raipur Vizag Kolar Rourkella Talcher 450MW Bilateral:1300MW Transfer margin/Network Constraint 1200MW 450MW

THE GRID INTERCONNECTED SYSTEMS WITH THOUSANDS OF KILOMETERS OF LINES AND HUNDREDS OF GENERATORS OPERATING WITH SPLIT SECOND SYNCHRONISM IS THE GREATEST SCIENTIFIC ACHIEVEMENT OF THE MILLENIUM THE LARGEST SINGLE MACHINE EVER CREATED

NTPC POWERGRID NHPC CHPC SIKKIM WBPDCL DPL WBSEB CESC BSEB OHPC GRIDCO DVC CPPs TVNL JSEB OPGC EASTERN REGION Grid players

Const. wise Capacity( )

Capacity Mix( )

Thermal capacity( )

Hydel Capacity( )

EFFECTIVE GENERATING CAPACITY OF UTILITIES MW INSTALLED CAPACITY OF CPPS AROUND 2680 MW CATERS TO CORE SECTOR LOAD - STEEL, COAL, ALUMINIUM AND TRACTION THE ONLY REGION CONNECTED TO ALL OTHER REGIONS BESIDES INTERNATIONAL CONNECTION WITH NEPAL AND BHUTAN DAILY ENERGY CONSUMPTION :160 MU DAILY EXPORT - AROUND 42 MU AVERAGE PEAK DEMAND > 8000 MW TRANSFORMATION CAPACITY MVA SYSTEM FREQUENCY HZ TRANSMISSION VOLTAGE PROFILE 95% TO 105%

POWER STATION KV SUBSTATION KV SUBSTATION - 56EHV LINES(>132KV) AUTO TRANSFORMER THERMAL MACHINE - 97 HYDEL MACHINE – 90GAS TURBINE - 8 BUS REACTOR - 17 LINE REACTOR - 27