PROCEDURE FOR PROCESSING POWER

EXCHANGE TRANSACTIONS AT NLDC

CONTROL ROOM

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HOME PAGE

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ATC DECLARATION

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TRADING RESULTS

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PROVISIONAL SOLUTION

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FINAL SOLUTION

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POWER GRID CORPORATION OF INDIA LTD. NATIONAL LOAD DISPATCH CENTER, NEW DELHI

Acceptance of request for Scheduling of Collective Transactions

PX Application No. :: PX1533/1227 Dated :: 27-12-2012 NLDC Acceptance No. :: NLDC/PXI-28/12/2012 Dated :: 27-12-2012 Power Exchange :: PXI Scheduling of Collective Transactions accepted for:

Sr. No. Region Injections/Drawals Energy(MWh) No. of Utilities Transmission Charges(Rs.) Operating Charges(Rs.)# 1 NR Injection 25.00 1 2797.50 5000.00 2 NR Drawal 1247.29 3 183809.33 15000.00 3 WR Injection 1536.13 2 175598.02 10000.00 4 WR Drawal 338.40 1 37866.96 5000.00 5 SR Injection 0.00 0 0.00 0.00 6 SR Drawal 0.44 1 53.72 5000.00 7 ER Injection 25.00 1 2797.50 5000.00 8 ER Drawal 0.00 0 0.00 0.00 9 AR Injection 0.00 0 0.00 0.00

10 AR Drawal 0.00 0 0.00 0.00 Total 3172.26 9 402923.03 45000.00

Payment Schedule Application Fees (Rs.) :: 5000.00 Due Date :: 27-12-2012

Transmission Charges (Rs.) :: 402923.03 Due Date :: 28-12-2012*

Operating Charges (Rs.) :: 45000.00 Due Date :: 28-12-2012*

Shift-in-Charge

NLDC

# Operating Charges @ Rs. 5000 per utility * If this is a holiday, then the next working day.

Sr. No.

Regional Entity Region Injection/Drawal PoC Rate

(Rs/MWh) Energy (MWh)

Transmission Charges

(Rs)

Operating Charges

(Rs) Total

1 N0RCH0 NR Injection 111.90 25.00 2797.50 5000 7797.50 2 N0RCH0 NR Drawal 111.90 141.36 15818.18 5000 20818.18 3 N0RHR0 NR Drawal 151.90 11.76 1786.34 5000 6786.34 4 N0RRJ0 NR Drawal 151.90 1094.17 166204.80 5000 171204.80 5 W0RGU0 WR Injection 111.90 1350.86 151161.23 5000 156161.23 6 W0RJD0 WR Injection 131.90 185.27 24436.78 5000 29436.78 7 W0RGU0 WR Drawal 111.90 338.40 37866.96 5000 42866.96 8 S0RTN0 SR Drawal 123.50 0.44 53.72 5000 5053.72 9 E0RWB0 ER Injection 111.90 25.00 2797.50 5000 7797.50

Total 3172.26 402923.03 45000 447923.03 27

Associated Server Links

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Power Exchange Server

• Power Exchange Server IP:– //10.5.104.110

• Folders• New_ATC_PX---- Database• New_NLDCData--Date wise folder• New_RLDC_PXData RLDC ATC Files/PX Files

for scheduling**Snapshot in next slide

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W3 Bid area Processing• Power Exchange Computer

– D drive Folder named (Macro)• Three excel sheet required

– WRLDC_W3_Margin_ddmmyy.xlsx from WRLDC– ERLDC_W3_Margin_ddmmyy.xlsx from ERLDC– NLDC_W3_Margin_ddmmyy.xlsx- Prepard at NLDC

– Copy Data from WRLDC(Korba, Sipat,ACB ,Lanco, Jindal,JSPL,NSPCL, Balco,CSEB) and ERLDC(Sterlite data) File and paste onto NLDC file

– Copy Column (Export Total–>( LTA+MTOA) and (STOA) from raw worksheet and paste onto Export LTA and Export STOA in output file

– Make a copy of csv file named 00W3ATCddmmyy.csv as per the date of scheduling and paste the output file information into this and copy the same file at New_NLDCData folder at Power Exchange server 31

ER-SR Margin calculation• D drive folder named PX_ER_SR Margin

– File name: ER-SR LTA-MTOA-STOA ddmmyy.xlsx– TTC Figures: ATC+10% Odisha share from Talcher stage –IISuppose Talcher stage-II DC is 1800 MW, then 10% i.e 180 MW is

added to the existing ATC declared at NLDC Website (For e.g, ATC at NLDC Website– 750 MW and additional 180 MW of Odisha share, so effective ATC is 930 MW)

– MTOA figures from SRLDC MTOA margin file and STOA Fig from ERLDC csv file

**Snapshot in next slide

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THANK YOU

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