OPEN ACCESS IN INTER OPEN ACCESS IN INTER STATE TRANSMISSIONSTATE TRANSMISSION

2929THTH MARCH 2004 MARCH 2004

Gazette Notification of Open Access in inter state transmission system06-

Feb-04Receipt of application from the sellers/buyers/traders of the existing transactions

05-May-04

Open access for the existing sellers/buyers/traders starts as per CERC norm

20-May-04

Open access for the new transactions will start from the date of issue of guidelines by CTU

Reservation of existing buyers/sellers/traders will be done on first cum first serve basis upto

19-May-04RLDCs to post the information on the website

07-Mar-04

SLDCs to post the information on web site04-

Aug-04

TIMEFRAME FOR OPEN ACCESSTIMEFRAME FOR OPEN ACCESS

Direct customerDirect customer -A person directly connected to the system A person directly connected to the system owned or operated by the Central Transmission owned or operated by the Central Transmission UtilityUtility Embedded customerEmbedded customer A person who is not a direct customer A person who is not a direct customer Existing beneficiaryExisting beneficiary A person having firm allocation from a central A person having firm allocation from a central power generating station on the date of coming power generating station on the date of coming into force of these regulations and who has into force of these regulations and who has entered into Bulk Power Transmission entered into Bulk Power Transmission Agreement with the Central Transmission UtilityAgreement with the Central Transmission Utility

Open access customerOpen access customer A consumer permitted by the State Commission A consumer permitted by the State Commission to receive supply of electricity from a person to receive supply of electricity from a person other than distribution licensee of his area of other than distribution licensee of his area of supply, and the expression includes a supply, and the expression includes a generating company and a licensee, who has generating company and a licensee, who has availed of or intends to avail of open accessavailed of or intends to avail of open accessTransmission CustomerTransmission Customer Any person, including open access customer Any person, including open access customer using transmission system of a transmission using transmission system of a transmission licenseelicensee

OPEN ACCESS IN INTER-STATE TRANSMISSION

Categorization of Transmission customers

long term customers => 25 yearsshort term customers. <= 1 year

Access to Transmission System

long term customers - transmission planning criteria short term customers - availability of transmission

capacity

Allotment priority of long term customers shall be higher than that of short term customers

NODAL AGENCYNODAL AGENCY Long term access - Central Transmission

Utility or TS provider in whose system the drawal point is located.

Short term access - RLDC of the Region where the drawal of electricity is situated.

Procedure for Long Term Procedure for Long Term AccessAccess Application to be submitted to CTU (Nodal Application to be submitted to CTU (Nodal

Agency)Agency) Details of Capacity needed, points of injection Details of Capacity needed, points of injection

and drawal, duration, peak load, average load and drawal, duration, peak load, average load etc to be specified.etc to be specified.

Non refundable fee of Rs.One Lakh.Non refundable fee of Rs.One Lakh. CTU to opine whether open access can be CTU to opine whether open access can be

allowed with/without system augmentationallowed with/without system augmentation If system augmentation is not required – If system augmentation is not required –

Intimate OA customer the start dateIntimate OA customer the start date If system augmentation is required – Details If system augmentation is required – Details

to be given to OA customer within 90 days of to be given to OA customer within 90 days of receipt of application.receipt of application.

All long term customers should enter into All long term customers should enter into BPTA with Transmission licensee.BPTA with Transmission licensee.

Procedure for Short Term Procedure for Short Term AccessAccess

Application to be submitted to RLDC Application to be submitted to RLDC (Nodal Agency)(Nodal Agency)

Details of reservation needed, points of Details of reservation needed, points of injection and drawal, duration.injection and drawal, duration.

Non refundable fee of Rs.5000/-.Non refundable fee of Rs.5000/-. This fee shall This fee shall notnot be adjusted towards be adjusted towards

RLDC fees.RLDC fees.

Time-schedule for ProcessingTime-schedule for Processing Short Term Customer Application Short Term Customer Application

Up to One dayUp to One day 12 hours 12 hoursUp to one week Up to one week Two days Two daysUp to one monthUp to one month Seven days Seven daysUp to one year Up to one year Thirty days Thirty days

Payments to be made by a Short term Payments to be made by a Short term customercustomer a) Transmission chargesa) Transmission charges

i) Each STU/SEB/transmission licensee i) Each STU/SEB/transmission licensee involved.involved.ii) Each Regional transmission system ii) Each Regional transmission system involvedinvolved

iii) Inter-regional transmission system iii) Inter-regional transmission system involved.involved.

b) Scheduling and system operation b) Scheduling and system operation charges.charges.

i) Each SLDC involved.i) Each SLDC involved.ii) Each RLDC involved.ii) Each RLDC involved.

c) Handling and service charges.c) Handling and service charges.Full amount computed @ 2% of {(a) + Full amount computed @ 2% of {(a) +

(b)}above.(b)}above.d) Non refundable fee : Rs. 5,000/-d) Non refundable fee : Rs. 5,000/-

Procedure for Bidding RLDC concerned shall invite bids if

transmission capacity reservation sought by short term customer is more than the availability in a particular transmission corridor

The floor price of the bids for short term customer shall be about 1/4 th rate chargeable from long term customer and will be in Rupees per MW per day.

If customer gets the quantum of power he has bid for – he has to pay the price quoted by ‘last’ customer.

If customer gets a quantum lesser than that he has bid for – he gets to pay his bid price

PROCEDURE FOR PROCEDURE FOR CURTAILEMENTCURTAILEMENT

In case of transmission constraint , if In case of transmission constraint , if curtailment is necessary then,curtailment is necessary then,

Short term customers firstShort term customers first Long term customers nextLong term customers next

Within the category,Within the category, OA customers haveOA customers have

curtailment on pro rata curtailment on pro rata basisbasis

Revenue from Short term Open Revenue from Short term Open access customersaccess customers

25% of the revenue received from short term customer to be retained by Transmission licensee for system Augmentation works. :- Signal for transmission addition

Balance 75% shall be used for reduction of transmission charges for existing long term customers.

Transmission ChargesTransmission Charges In an Un-congested corridor – Short term In an Un-congested corridor – Short term

customers pay ¼ of Charges applicable to customers pay ¼ of Charges applicable to Long-Term customersLong-Term customers

Annual Transmission charges of previous Annual Transmission charges of previous financial year to be used – Rs/MW/Day.financial year to be used – Rs/MW/Day.

Minimum transmission charges will be for Minimum transmission charges will be for ONE day and in multiples thereof.ONE day and in multiples thereof.

This price will also serve as the floor price This price will also serve as the floor price in case bidding has to be done.in case bidding has to be done.

With bidding, transmission charges of With bidding, transmission charges of power flowing on a corridor can have power flowing on a corridor can have multiple prices.multiple prices.

OPEN ACCESS IN INTER-STATE TRANSMISSION

Any mismatch between schedule and actual drawals at the Any mismatch between schedule and actual drawals at the drawal point anddrawal point and at the injection point shall be met from the grid at the injection point shall be met from the grid and its price shall beand its price shall be governed by the frequency linked governed by the frequency linked unscheduled energy inter-change pricingunscheduled energy inter-change pricing mechanism already mechanism already applicable to inter-State transaction under the ABT.applicable to inter-State transaction under the ABT.

All customers directly connected to POWERGRID network shall All customers directly connected to POWERGRID network shall have to payhave to pay reactive energy charges calculated as per the reactive energy charges calculated as per the existing scheme.existing scheme.

All transmission customers directly connected to POWERGRID All transmission customers directly connected to POWERGRID network shallnetwork shall be required to install special energy meters be required to install special energy meters capable of time differentiatedcapable of time differentiated measurement of active energy measurement of active energy and voltage differentiating measurement ofand voltage differentiating measurement of reactive energy.reactive energy.

OPEN ACCESS IN INTER-STATE TRANSMISSION All users shall pay average energy loss in the All users shall pay average energy loss in the

transmission system astransmission system as estimated by the State and estimated by the State and Regional Load Dispatch Centre concerned. TheRegional Load Dispatch Centre concerned. The energy energy loss shall be adjusted in kind i.e. average loss in loss shall be adjusted in kind i.e. average loss in transmission shalltransmission shall be compensated by additional injection be compensated by additional injection at the injection point.at the injection point.

Any complaint regarding delays, discrimination and lack Any complaint regarding delays, discrimination and lack of information in theof information in the matter of open access in inter-state matter of open access in inter-state transmission shall be directed to thetransmission shall be directed to the Member Secretary of Member Secretary of Regional Electricity Board of the Region. AnyRegional Electricity Board of the Region. Any unresolved unresolved problem or dispute could be referred to the Commission.problem or dispute could be referred to the Commission.

KSEB SR

ER

DVC

JEYPORE-GAJUWAKA HVDC

CASE : 1 DIRECT CUSTOMERTRANSACTIONDVC - KSEB0000 HRS – 2400 HRS100MW AT DRAWALPOINT for 30 days

INJECTION POINT : DVC state peripheryDRAWAL POINT : KSEB state peripheryINTERVENING REGION : Nil

TRANSMISSION CHARGES : (in Rs.) ER : ER_ST_Rate X 100 X30 GAJUWAKA HVDC : Jey_Gaju_ST_RateX100X30 SR : SR_ST_Rate x100X30

SCHEDULING CHARGES : (in Rs.)

ERLDC : 3000X30SRLDC : 3000X30 TRANSMISSION LOSS : Say SR (3%) and ER (3.5%)Injection at ER- SR Periphery : 103 MW Injection at DVC Periphery : 106.6 MW

KSEB(D1)

SR

ER

WBSEB(G1)

JEYPORE-GAJUWAKA HVDC

CASE : 2 EMBEDDED CUSTOMERTRANSACTIONWBSEB(G1) - KSEB (D1)0000 HRS – 2400 HRS100MW AT DRAWALPOINT for 30 days

INJECTION POINT : G1 in WBSEB state peripheryDRAWAL POINT : D1 in KSEB state peripheryINTERVENING REGION : NilTRANSMISSION CHARGES : (in Rs.)WBSEB : WBSEB_ST_RateX100X30 ER : ER_ST_Rate X 100 X30 GAJUWAKA HVDC : Jey_Gaju_ST_RateX100X30 SR : SR_ST_Rate x100X30 KSEB : KSEB_ST_RateX100X30SCHEDULING CHARGES : (in Rs.)WBSEBLDC : 3000X30ERLDC : 3000X30SRLDC : 3000X30 KSEBLDC : 3000X30TRANSMISSION LOSS : Say WBSEB (5%) SR (3%) and ER (3.5%) KSEB(5%)Injection at KSEB State’s Periphery : 105 MW Injection at ER- SR Periphery : 108.2 MW Injection at WBSEB State Periphery : 111.9 MWInjection at WBSEB(G1) State Periphery : 117.5 MW

A TYPICAL VALUES OF A TYPICAL VALUES OF ST_RATE ST_RATE

ERTS SYSTEMERTS SYSTEM : 349 RS per MW per : 349 RS per MW per dayday

SRTS SYSTEMSRTS SYSTEM : 682 RS per MW per : 682 RS per MW per dayday

JEYPORE- GAJUWAKAHVDC JEYPORE- GAJUWAKAHVDC : 1582 RS per MW : 1582 RS per MW per dayper day

INFORMATION SYSTEMINFORMATION SYSTEM SEPARATE WEB PAGE TITLED :- SEPARATE WEB PAGE TITLED :- ‘OPEN ACCESS ‘OPEN ACCESS

INFORMATION’INFORMATION’ FLOOR RATE IN RS/MW/DAYFLOOR RATE IN RS/MW/DAY CURRENT STATUS OF LONG TERM AND SHORT

CUSTOMERS LIST OF PAST SHORT TERM CUSTOMERS, INFORMATION OF POWER FLOW ON INTER-REGIONAL

LINK

INFORMATION REGARDING AVERAGE ENERGY LOSSES DURING THE PREVIOUS WEEKS/MONTHS.

STATUS REPORT ON SHORT TERM CUSTOMERS

APAP KARKAR KERKER TNTN PONDPONDYY

Total UI Total UI exported(-) / exported(-) / Imported(+) Imported(+)

in MUsin MUs

--20412041 16661666 856856 497497 -53-53

Total amount Total amount paid in paid in

Crores Rs.Crores Rs. -378-378 277277 140140 120120 -8-8

Average rate Average rate of UI in of UI in

paise/unitpaise/unit185185 166166 164164 242242 151151

SUMMARY OF UI – 63 WKSSUMMARY OF UI – 63 WKS(FROM 01/JAN/03 TO 14/MAR/04)(FROM 01/JAN/03 TO 14/MAR/04)

UI IN SR (FROM 01/01/03 TO 29/02/04)UI IN SR (FROM 01/01/03 TO 29/02/04) TOTAL UI TURNOVER :- 3496 MUTOTAL UI TURNOVER :- 3496 MU TOTAL UI AMOUNT DISBURSED:- 623 CRTOTAL UI AMOUNT DISBURSED:- 623 CR INTER REGIONAL UI:- +664 MU -125 MUINTER REGIONAL UI:- +664 MU -125 MU AVG WEEKLY TRANSACTION:- 57 MUAVG WEEKLY TRANSACTION:- 57 MU AVG WEEKLY UI AMT DISBURSED:- 10 CRAVG WEEKLY UI AMT DISBURSED:- 10 CR AVG RATE OF EXPORT TO WR IN PS/UAVG RATE OF EXPORT TO WR IN PS/U

145 PS/U(49.98 HZ) @SR145 PS/U(49.98 HZ) @SR 278 PS/U(49.5 HZ) @WR278 PS/U(49.5 HZ) @WR AMT RECD FROM WR:- 15 CRORESAMT RECD FROM WR:- 15 CRORES

AVG RATE OF IMPORT FROM ER IN PS/UAVG RATE OF IMPORT FROM ER IN PS/U 142 PS/U (49.99 HZ) @ ER142 PS/U (49.99 HZ) @ ER

WR – SR IRE A/CWR – SR IRE A/C (FROM 01/01/03 TO 29/02/04) (FROM 01/01/03 TO 29/02/04)

( a ) SREB IRE A/C( a ) SREB IRE A/C : 182 Million Rs.: 182 Million Rs.( b ) WREB IRE A/C( b ) WREB IRE A/C : 142 Million Rs.: 142 Million Rs.50% of ( a ) + ( b ) to SR Constituents : 162 Million Rs.50% of ( a ) + ( b ) to SR Constituents : 162 Million Rs.Actual Accrued in SREB IRE A/CActual Accrued in SREB IRE A/C : 146 Million Rs.: 146 Million Rs.

Credit given to SR Constituents Credit given to SR Constituents In Trans. ChargesIn Trans. Charges : 143 Million Rs.: 143 Million Rs.

Balance credit to be given toBalance credit to be given toTrans. Charges to SR Const.Trans. Charges to SR Const. : 19 Million Rs. : 19 Million Rs.

Balance Yet to be received byBalance Yet to be received bySREB IRE A/C from NLCMINES- UISREB IRE A/C from NLCMINES- UI : 36 Million Rs.: 36 Million Rs.

Benefit of WR–SR UIBenefit of WR–SR UI (FROM 01/01/03 TO 14/03/04) (FROM 01/01/03 TO 14/03/04)

NET UI Transaction between SR & WR : 1 MU

Average Rate for SR for export : 248Ps.

Average Rate for SR for Import : 145Ps.

Net amount accrued in IRE A/C : 25 Cr.

Benefit for SR Constituents towardsTransmission charges : 12.5 Cr.

ER- SR UIER- SR UI Amount generated due to SR-ERAmount generated due to SR-ER UI DifferentialUI Differential : 3.9 Million Rs.: 3.9 Million Rs. Actual accrued due to SR-ERActual accrued due to SR-ER UI differentialUI differential : 3.1 Million Rs.: 3.1 Million Rs. Balance to be received Balance to be received from NLCMINES- UI from NLCMINES- UI : 0.8 Million Rs. : 0.8 Million Rs.

At Present ER UI is calculated on ER Frequency Only.At Present ER UI is calculated on ER Frequency Only.

Now ERLDC Proposes the UI calculation should be made as perNow ERLDC Proposes the UI calculation should be made as perWR-SR Philosophy.WR-SR Philosophy.

Present mechanism will not provide incentive to ER Present mechanism will not provide incentive to ER constituents to give UI power to SR Constituents.constituents to give UI power to SR Constituents.

THANK YOUTHANK YOU

A TYPICAL CALCULATION FOR THE SHORT TERM CUSTOMER FOR THE TRANSACTION OF DTL – KSEB OF GEL

CHARGE DTL NR NR-ER ER ER-SR SR KSEB TOTAL

SCHEDULING AND SYS OPN 3000  3000     3000   3000    15000 

TRANSMISSION CHARGESRS/MW/DAY 3000  3000  3000   3000  3000  3000  3000  21000

MW FLOW AT PERIPHERY 113.6 109.2 104 100

AVG TRANS LOSS (%)   4    5     4    13.6