Project Guide :                              By:Shri. P. Pentayya                            Chandan KumarGM,WRLDC        ...
India : World Fifth Largest Energy Consumer.  4% of Global Energy Consumption by 17% of the World Population.  Installed G...
Indian Power Market can be categorized on the basis of durationof trade between the buyer/seller and Generator/Drawee:  Lo...
(c) All Right Reserved
Short Term Market Constitutes of :  Bilateral Market  Power Exchange Traded Market  UI  Ancillary Services  REC/Emission M...
Indian Power Market   Jan 2011 - Feb 2012         11%                                   Short Term market                 ...
ST Market                                     Jan 2011-Feb 2012                 Total electricity                         ...
Decreasing trend of UIPX contribution has shown the increasing trendover the years.PXIL contribution is less compared to I...
1600               1400               1200               1000                            UNCONSTRAINED CLEAREnergy (MWs)  ...
System constraints are more in Nov-Aprilleading to less cleared volume of power9.8 % of the day ahead transaction throughp...
6                 5                 4                                              Weighted Average Price of electricityPr...
Price of electricity through traders is morecompared to through PXsMonth October the PXs price is more comparedto price th...
1412                                                                                                         Directly Thro...
1412                                                                                                                      ...
Power through direct trading from powerexchange is lowest.Cost of power increases as we proceed fromweekly, day-ahead, dai...
(c) All Right Reserved
Direct trading through IEX is cheaper.Price of weekly contracts for electricity trading islow for PXIL compared to IEX in ...
Weighted Average Price of electricity transacted                         Through UI (Rs/kWh)         8         7         6...
The Price of electricity traded through UI is lowerin NEW grid and higher in SW grid in Jan-JunePeriod.Lower cost in .SR g...
Evacuation ProblemIntra State open access issuesContingency ProblemExistence of Two Grids                  (c) All Right R...
Strengthening the upstream and down streamtransmission networks to better utilize theexisting Inter-regional transmission ...
Real time dynamic loadility with the introductionof PMU technology.market rules should be such as to encouragebroad partic...
1. www.cercind.gov.in2. www.cea.nic.in3. “Consultation Paper on Modifications in Power Market Design: Evening Market, 15mi...
Questions(c) All Right Reserved
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Short Term Open Access in inter state transmission

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This paper deal with the Short term power market in India

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Short Term Open Access in inter state transmission

  1. 1. Project Guide : By:Shri. P. Pentayya Chandan KumarGM,WRLDC Emp.No: 02616 ET,WRLDC (c) All Right Reserved
  2. 2. India : World Fifth Largest Energy Consumer. 4% of Global Energy Consumption by 17% of the World Population. Installed Generation Capacity 201637.04 MW. Consist of two Grid connected asynchronously : NEW Grid and Southern Grid.Power System Constitutes of three entities : Generation. Transmission. Distribution.Apart from them Grid Management is required for the Real Time operation. (c) All Right Reserved
  3. 3. Indian Power Market can be categorized on the basis of durationof trade between the buyer/seller and Generator/Drawee: Long Term Access : It is for a period of 12 years up to 25 years Medium term Open Access: It is for a period of 3 months up to 3 years Short term Open Access :It is for a period of up to 1 months (c) All Right Reserved
  4. 4. (c) All Right Reserved
  5. 5. Short Term Market Constitutes of : Bilateral Market Power Exchange Traded Market UI Ancillary Services REC/Emission MarketShort Term open Access Constitutes of : Bilateral Transactions Collective Transactions Sometime STOA is used in literature for Short Term Market . (c) All Right Reserved
  6. 6. Indian Power Market Jan 2011 - Feb 2012 11% Short Term market LTOA and MTOA89%Short Term Market Contribution 9% : 2009-10 10% :2010-11 10.75 % 2011-12 (As Projected) (c) All Right Reserved
  7. 7. ST Market Jan 2011-Feb 2012 Total electricity Total electricity transacted through transacted through UI, 30% Traders and PXs(MUs), 39% Day Ahead market Total electricity of IEX, 15% transacted Through Direct Trading (MUs), 15%Day Aheadmarket of PXIL, 1% (c) All Right Reserved
  8. 8. Decreasing trend of UIPX contribution has shown the increasing trendover the years.PXIL contribution is less compared to IEX (c) All Right Reserved
  9. 9. 1600 1400 1200 1000 UNCONSTRAINED CLEAREnergy (MWs) VOLUME IEX 800 ACTUAL CLEARED VOLUME AND HENCE SCHEDULED IEX 600 UNCONSTRAINED CLEAR VOLUME PXIL ACTUAL CLEARED VOLUME 400 AND HENCE SCHEDULED PXIL 200 0 (c) All Right Reserved
  10. 10. System constraints are more in Nov-Aprilleading to less cleared volume of power9.8 % of the day ahead transaction throughpower exchange was not approvedThe electricity demand through day-aheadcontracts from PXs is more in winter andreduces in summer season (c) All Right Reserved
  11. 11. 6 5 4 Weighted Average Price of electricityPrice (Rs/kWh) transacted through Traders (Rs/kWh) 3 Weighed Average Price of electricity transacted Through IEX (Rs/kWh) 2 Weighed Average Price of electricity transacted Through PXIL (Rs/kWh) 1 0 (c) All Right Reserved
  12. 12. Price of electricity through traders is morecompared to through PXsMonth October the PXs price is more comparedto price through tradersWhile in Feb-march 2011 the PXIL price is morecompared to traders pricing of electricityTough completion between the traders and PXscan be observed here as the price difference isvarying continuously (c) All Right Reserved
  13. 13. 1412 Directly Through Power Exchange (Rs/kWh)10 Through Term Ahead Market through Power Exchange (Rs/kWh) WEEKLY CONTRACTS 8 Through Term Ahead Market through Power Exchange (Rs/kWh) DAY AHEAD CONTIGENCY CONTRACTS 6 Through Term Ahead Market through Power Exchange (Rs/kWh) DAILY CONTRACTS 4 Through Term Ahead Market through Power Exchange (Rs/kWh) INTRA DAY CONTRACTS 2 0 Jan-11 Feb-11 Mar-11 Apr-11 May-11 Jun-11 Jul-11 Aug-11 Sep-11 Oct-11 Nov-11 Dec-11 Jan-12 Feb-12 (c) All Right Reserved
  14. 14. 1412 Directly Through Power Exchange (Rs/kWh)10 Through Term Ahead Market through Power Exchange (Rs/kWh) WEEKLY CONTRACTS 8 Through Term Ahead Market through Power Exchange (Rs/kWh) DAY AHEAD CONTIGENCY CONTRACTS 6 Through Term Ahead Market through Power Exchange (Rs/kWh) DAILY CONTRACTS 4 Through Term Ahead Market through Power Exchange (Rs/kWh) INTRA DAY CONTRACTS 2 0 Jan-11 Feb-11 Mar-11 Apr-11 May-11 Jun-11 Jul-11 Aug-11 Sep-11 Oct-11 Nov-11 Dec-11 Jan-12 Feb-12 (c) All Right Reserved
  15. 15. Power through direct trading from powerexchange is lowest.Cost of power increases as we proceed fromweekly, day-ahead, daily to intraday in PXstrading.The cost is more when there is higher systemcontingency and vice-versa.Cost of power through PXIL is more comparedto IEX. (c) All Right Reserved
  16. 16. (c) All Right Reserved
  17. 17. Direct trading through IEX is cheaper.Price of weekly contracts for electricity trading islow for PXIL compared to IEX in winter (oct-feb).For summer season it has a varied trend.Non uniformity of market in other types ofcontracts (c) All Right Reserved
  18. 18. Weighted Average Price of electricity transacted Through UI (Rs/kWh) 8 7 6 NEW 5 GridRs/kWh 4 SR Grid 3 2 1 0 (c) All Right Reserved
  19. 19. The Price of electricity traded through UI is lowerin NEW grid and higher in SW grid in Jan-JunePeriod.Lower cost in .SR grid in the rest of the month.The price of UI in SR Grid is more as it is apower deficit region.The synchronization of SR to NEW grid willreduce the overall price vector of UI in NEWSgrid. (c) All Right Reserved
  20. 20. Evacuation ProblemIntra State open access issuesContingency ProblemExistence of Two Grids (c) All Right Reserved
  21. 21. Strengthening the upstream and down streamtransmission networks to better utilize theexisting Inter-regional transmission capacity.Increased Number of Power exchanges.Reduction in T/D Losses by Strengthening of oldLines.Increasing the ATC/TTC margin of the availablelines using Reactors, FSC, TCSC and optimalplacement of phase shift transformer (c) All Right Reserved
  22. 22. Real time dynamic loadility with the introductionof PMU technology.market rules should be such as to encouragebroad participation and ensure fairnessIntroduction of Ancillary Services.Renewable Integration with the Grid. (c) All Right Reserved
  23. 23. 1. www.cercind.gov.in2. www.cea.nic.in3. “Consultation Paper on Modifications in Power Market Design: Evening Market, 15minute Bidding time block and Ancillary market on Power Exchange” by CERC4. “The India Electricity market outlook” by KPMG5. “Ancillary Services in Indian Context: An Approach Paper” by POSOCO.6. “High capacity power Transmission corridor - Project inception report” by PGCIL7. “The Indian Electricity Market: Country Study and Investment Context” by Peter MLamb8. “Electricity Market Reform: Lessons for developing countries” by Erkan Erdogdu (c) All Right Reserved
  24. 24. Questions(c) All Right Reserved
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