CBP16_PPT on GNA and Transmission Pricing

Transmission Pricing and GNA

1. General Network Access and Implication for
Transmission Pricing
Shilpa Agarwal
Joint Chief Engineering
CERC
Centre for EnergyRegulation
Department of Industrial and Management Engineering
Indian Institute of Technology Kanpur-208016

2. Contents
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3. CentralElectricityRegulatoryCommission(Connectivityand
GeneralNetworkAccesstotheinter-StateTransmission
System)Regulations,2022
3

4. Transmission Access-Prevailing regime
•Transmissionsystembooking
•LongtermAccess(LTA)-7yearsandabove
•MediumtermOpenAccess(MTOA)–3monthsto5years
•ShorttermOpenAccess(STOA)-1timeblockto1month
(upto3monthsinadvance)
•EachAccesscompriseofbookingofsystemfrominjectionpointtill
drawlpoint
•Availingofthebookedtransmissionsystembyscheduling
•Schedulingofpowerisundercontractbetweenbuyerandseller
•LTA–PPAfordurationmorethanoneyear
•MTOAandSTOA-PPAforthedurationofAccesstobefurnishedalong
withtheapplication
4

5. Need for change:
•Realitiesofprocurementofcheaperpower
•Requirementofdelinkingofaccesstotransmissionsystemwith
fixedcontract.
•SchedulesunderSTOAcannotchange2dayshence.-Need to
reviewinflexibilityraisedbystakeholders.
•Streamlinerelinquishmentcharges.
5

6. Background
•DraftGNARegulationswerenotifiedon14.11.2017.
•Subsequentlyfewdevelopmentshavetakenplace:
•Requirementsofnewprovisionsforconnectivitytoprojectsbasedonrenewablesourcestointer-
StateTransmissionSystem.
•DetailedProcedure–May’2018,Feb’2021,7thAmendmenttothe2009ConnectivityRegulations.
•Upcomingchangesinsector
•DraftGNARegulations2021-notiifedon16.12.2021
•FinalGNARegulationsnotifiedon7.6.2022
•GNA Regulations 2022 consists of broadly three sections:
(A) Connectivity
(B) General Network Access (GNA)
(C) Temporary GNA (T-GNA)
6

7. Connectivity
•Applicationfees:Rs5lakh+taxes/application
•EligibleEntities:
•InjectingentitieswhoareseekingconnectivitytotheISTS
•ConnectivitygranteesshallbedeemedtohavebeengrantedGNA,equaltothequantumof
ConnectivityfromthestartdateofConnectivity.
•MinimumquantumtoconnecttoISTS-Installedcapacityof50MWindividuallyorcollectively
throughleadgenerator.
Additionalpoints
•EntitieshavingConnectivitymayapplyforenhancementofConnectivityoflessthan50MWsubject
toavailablecapacityintransmissionsystem.
•AtaterminalbayalreadyallocatedtoanotherConnectivitygranteewithanagreementforsharing
theterminalbay.
•ThroughelectricalsystemofageneratingstationhavingConnectivitytoISTSwithanagreementfor
sharing.
•TwoormoreApplicantsmayapplyforgrantofConnectivityatacommonterminalbaywithan
agreementforsharingthededicatedtransmissionlinesandtheterminalbay.
7

8. Grant of Connectivity
•In-principlegrantofConnectivity
•PreliminaryintimationseekingtosubmitConnectivityBankGuarantees.
-within30/60days(whereATSisrequired)
•FinalGrantofConnectivity
•OnsubmissionofrequiredConnectivityBankGuarantees
•GrantofConnectivitymayhavefollowingsituations
•NeithertheISTSbayatwhichConnectivityisproposedistobeconstructedunderISTS,
noranyaugmentationisrequiredtoISTS-
•OnlyterminalISTSbayisconstructedunderISTSortobeconstructedunderISTS.No
furtheraugmentationofISTSrequired
•AugmentationofISTSisrequiredalongwithterminalbayorwithoutterminalbay.
8

9. Connectivity Bank Guarantee (Conn-BGs): SHORT IT
•Threeparts:
•Conn-BG1amountingtoRs.50lakhsforallapplicants.
•Conn-BG2:TowardsTerminalBayasfollows(wherenoATS)
•Conn-BG2:NotapplicableIncaseentity(i)proposestoconstructtheterminalbay(s)onitsownor
(ii)seeksConnectivityataterminalbayconstructedorbeingconstructedbyanotherConnectivity
granteeor(iii)seeksConnectivitythroughelectricalsystemorswitchyardofageneratingstation
•Conn-BG3:ApplicableifConnectivitygrantedonexistingsystem@Rs2lakhs/MW
9

10. Treatment of Conn-BGs:
•Conn-BG1i.e.Rs50/Lakhshallbereturnedwithin30daysofCODoffullcapacity.
•Incasepartcapacityisrelinquishedsay200MWoutof500MWisrelinquishedthenConn-BG1shallbereturnedafter
CODof300MW.
•Conn-BG2andConn-BG3shallbereturnedinfiveequalpartsoverfiveyearscorrespondingtothe
generationcapacitywhichhasbeendeclaredundercommercialoperation.
•IncaseConnectivityisrelinquished,subsistingConn-BG2shallbeencashedcorrespondingtothe
ATSandterminalbay(s),constructionofwhichhasalreadybeenawardedforimplementation.
•TheproceedsofencashedConn-BG2shallbeusedforreducingMonthlyTransmissionCharges
undertheSharingRegulations
10

11. Eligibility for GNA
•StateTransmissionUtilityonbehalfofdistributionlicenseesconnectedto
intra-Statetransmissionsystemandotherintra-Stateentities.Nofinancial
liabilityonSTUs.
•Abuyingentityconnectedtointra-Statetransmissionsystem
•AdistributionlicenseeoraBulkconsumer,seekingtoconnecttoISTS,
directly,(50MW&above)
•Tradinglicensees(engagedincrossbordertrade)fordrawalandinjectioninto
theGrid
•TransmissionlicenseeconnectedtoISTSfordrawalofauxiliarypower.
11

12. GNA for States:
•EachStateshallhaveaGeneralNetworkAccess(GNA)toISTS.
•TostartwithGNAforStatesshallbespecifiedbasedonISTSdrawalforlast3years.
•Statesshallbeabletoschedulepowerunderlongtermormediumtermorshorttermcontractsbasedonitsownassessment
ofmeritorderondayaheadbasiswithinGNAquantum.Thisflexibilitywillhelpthemoptimisetheiroverallprocurement
cost.
•AdditionalGNAmaybesoughtbyStateaspertheirrequirement.
•StatesshallpaytransmissionchargesforGNAquantuminaccordancewithCERC(Sharingofinter-statetransmissioncharges
andlosses)Regulations2020.
•AnydrawalbeyondGNAshallbewithadditionalcharges.
•GNAoncegrantedshallremainvaliduntilrelinquished.
•GNAgrantedtoaStatemaybeutilizedbyanotherState.
•GNAcanbeappliedforby
•STUonbehalfofintra-stateentitiesor
•intra-stateentity
12

13. Grant of GNA
•ForthefirstyearGNAforstatesshallbeconsideredbasedonhistoricaldataoflast3yearsforyearlymaximum
ISTSdrawlanddailymaximumISTSdrawal.
•GNA shall be the average of ‘A’ for the financial years 2018-19, 2019-20 and 2020-21:
where,
•‘A’ = {0.5 X maximum ISTS drawalin a time block during the year} + {0.5 X [average of (maximum ISTS drawalin a time
block in a day) during the year]}
•STUshallbetheentitytowhomGNAshallbedeemedtobegrantedasperaboveonbehalfofintrastate
entities.Transmissionchargesliabilityshallbewithintra-stateentitiesasperprevailingregime.
•STUswithin3monthsofcomingintoforceoftheseregulations,onbehalfofintra-stateentities,mayapplyfor
additionalGNAoverandabovetheGNAdeemed
•StatesmayapplyforadditionalGNAtobeaddedinnext3years,everyyearinSeptember.
13

14. 14
Concept of ‘within region’ and ‘outside region’.

15. Contracts in each region-for a sample month
ER NER NR SR WR Grand Total
Himachal Pradesh 22 0 1728 0 0 1750
Uttarakhand 26 0 1078 0 93 1197
J&K 137 0 2056 0 93 2286
Delhi 1042 0 3766 0 419 5226
Rajasthan 243 0 2711 0 1258 4212
Haryana 413 150 2764 0 1084 4410
Uttar Pradesh 625 54 8130 0 2243 11052
Punjab 869 0 2386 0 1033 4288
Chandigarh 3 0 331 0 0 334
24950 6223 34756
15

16. Grant of additional GNA to STUs
•DeemedGNAcomputedforaSTU‘A’is4000MW.
•‘A’appliesforadditionalGNAfor800MWwithinnext3monthswhichisgrantedto‘A’by
CTU,
•GNAfor‘A’willbecome4800MW(4000MW+800MW).
•‘A’mayapplyonceineveryfinancialyearbythemonthofSeptemberforadditionalGNAfor
thenext3financialyearsindicatingthestartdateforsuchquantum.
16

17. GNA for Trading Licensee…contd.
•where
-G1isageneratingstationlocatedinother
Country
-AisthebordersubstationatwhichGNAis
soughtforpurposeofinjectionintoIndiangrid
-BisthebordersubstationatwhichGNAis
soughtforpurposeofdrawalfromIndiangrid
-B-1isbuyingentitylocatedinotherCountry.
17

18. Use of GNA by another GNA grantee
•AnyentityhavingsurplusGNAforaperiodduetoreductioninloadorseasonalvariation,
canauthorizepartofitsgrantedGNAtootherswithpriorapprovalofCTU.(forperiodnot
exceeding1yearandonmutuallyagreedterms)
•LiabilitytopayGNAchargesshallbewithoriginalGNAgrantee
•Forexample,PunjabmaybuyGNAcapacityforaspecificquantumfrom
Delhi/HaryanaincasethereisdiversityintheirISTSdrawalrequirementandoptimise
theirtransmissioncharges.
•SupposeUPhas10000MWGNAandinaseason,itmaynotneedtodrawfor800MW
fromISTS.PunjabmayhaveISTSdrawalrequirementadditionaltoitsGNAof8000MW
inthatseason.PunjabcanuseGNAofUPaspermutuallyagreedterms.
•SubjecttoavailabilityofdrawalcapacityoftheState.
•Forthepurposeofcalculationoftransmissiondeviationcharges,GNAofUttarPradesh
andPunjabshallbeconsideredas9,200MWand8,800MWrespectivelyforthat
period.
18

19. Temporary GNA (T-GNA)
•Product akin to prevailing STOA.
•Can be availed over and above GNA.
•1 time block to 11 months.
•Scheduling flexibility on day ahead basis.
•Priority to get corridor allocation after GNA grantees.
•Payment of transmission charges 1 month in advance.
19

20. T-GNA
•Applicants-buyers
•Distribution licensee /bulk consumer/captive generating plant / ESS /
generating station for auxiliary/startup
•Tradinglicense on behalf of buyers
•Powerexchanges
•Applicationfees-Rs 5000/application
•Bilateral transactions
•AdvanceapplicationforgrantofT-GNA:ForT-GNAstartingonorafterthe
(D+3)day-samemonthornextmonthstarting
•ExigencyapplicationforgrantofT-GNA:Applicationmadeon(D)dayforgrant
ofT-GNAwithschedulingfor(S)day,whichmaybe(D)dayor(D+1)dayor
(D+2)day,withaminimumstarttimeof7(seven)timeblocksunlessspecified
otherwiseintheGridCode:
•Maximumfor1day
20

21. Advance application category:
•QuantumofT-GNAinMW;
•StarttimeofT-GNAintermsoftime-blockanddate;
•EndtimeofT-GNAintermsoftime-blockanddate;
•Pointofinjection,ifavailable,orintheabsenceofthepointofinjection,
thetargetinjectionregion;
•Pointofdrawal;
•StandingClearanceofSLDCunderwhosejurisdictionthepointofdrawalis
located,incasethebuyerisanintra-Stateentityand;
21

22. Exigency application category:
•Contracted quantum of power (MW) to be scheduled at point of injection;
•Start time of T-GNA in terms of time-block and date;
•End time of T-GNA in terms of time-block and date;
•Point of injection;
•Point of drawal;
•Standing Clearance of SLDCs under whose jurisdiction the point of drawaland point of
injection are located, in case the buyer or the supplier is an intra-State entity, as
applicable.
•Copyof contract
22

23. Revision of T-GNA
•T-GNAgrantedunderExigencyapplicationcategoryorunderAdvanceapplication
categoryforaperiodnotexceedingonemonthcannotberevised.
•T-GNAgrantedunderAdvanceapplicationcategoryforaperiodofmorethanone
monthmaybereducedforthebalanceperiodwithapriornoticeofone(1)monthby
theT-GNAgrantee:
•ProvidedthatapplicableT-GNAchargesforthequantumofT-GNAgrantedshallbe
payableforthenoticeperiodofone(1)month.
23

24. Scheduling request for power under T-GNA
•Advanceapplicationcategory:
SchedulingrequestbyT-GNAgranteesunderAdvanceapplicationcategoryshall
bemadeondayaheadbasisbeforetheopeningofbiddingwindowfor
collectivetransactionsunderdayaheadmarket,asperprovisionsoftheGrid
Code.
•T-GNAgrantedunderExigencyapplicationcategoryshallbeconsideredas
schedule,whichcannotberevised.
24

25. Transmission charges for T-GNA
•TransmissionchargerateforT-GNA,inRs./MW/timeblock,foraStateshallbepublishedforeachmonthby
theImplementingAgencyintermsoftheSharingRegulations.
•TransmissionchargesforT-GNA,incaseofbilateralandcollectivetransactions,shallbepayableonlyatpoint
ofdrawal,asperthelastpublishedTransmissionchargerateforT-GNAfortheStatewheresuchpointof
drawalislocated:
•Undercollectivetransactions,transmissionchargesforT-GNAshallbepayablefordrawalschedulesmorethan
GNAquantumorT-GNAquantumorboth,asapplicable.
•IncaseanyschedulingrequestunderT-GNAisnotapprovedbyRLDCondayaheadbasisorcurtailedforthe
reasonsoftransmissionconstraintsorgridsecurity,thetransmissionchargesforsuchquantumnotscheduledor
curtailedshallberefundedtotheT-GNAgrantee.
25

26. Allocation of Transmission Corridor
•StatehavingGNA,canrequestschedulingfrominjectionpointofitschoiceasperitscontract.The
methodologyofschedulingandpriorityoftransmissioncorridorallocationshallbecoveredunderthe
GridCode.
•IncasetheschedulingrequestoftheGNAGranteecannotbeaccommodatedbyRLDCduetoconstrainin
transmissioncorridor,RLDCshallallocatetheavailabletransmissioncorridoramongsttheGNAgranteesin
proportiontotheirGNAwithintheregionorfromoutsideregionandtheGNAgranteeshallbeeligibleto
schedulepowerunderanycontractwithinsuchallocatedtransmissioncorridor.Incasetherevised
scheduleisnotfurnishedbytheGNAGrantee,RLDCshallfinalisethescheduleforsuchGNAGranteeby
proratareductionofscheduleundereachcontractforsuchconstrainedtransmissioncorridor.
•TransmissioncorridorshallbeallocatedondayaheadbasistoGNAgranteesandTGNAgranteesasper
thepriorityandindicativetime-lineasindicatedinfollowingillustration:
26

27. Curtailment
•Forthereasonoftransmissionconstraintsorintheinterestofgridsecurity,
transactionsalreadyscheduledmaybecurtailed:
•TransactionsunderT-GNAshallbecurtailedfirstfollowedbytransactionsunderGNA.
•WithintransactionsunderT-GNA,bilateraltransactionsshallbecurtailedfirstfollowedby
collectivetransactionsunderdayaheadmarketfollowedbycollectivetransactionsunder
realtimemarket.
•WithinbilateraltransactionsunderT-GNA,curtailmentshallbeonproratabasisbasedon
T-GNA.
•WithintransactionsunderGNA,curtailmentshallbeonproratabasisbasedonGNA.
27

28. Relinquishment of GNA
•STUmayrelinquishGNAonbehalfofidentifiedIntra-stateentityandtheconcernedIntra-
Stateentityshallpayrelinquishmentchargesthatshallbeequalto24timesthetransmission
chargespaidbysuchintra-Stateentityforthelastbillingmonth,correspondingtothe
relinquishedquantum.
•Intra-StateentitiesgrantedGNAunderthe2021DraftGNARegulationsmayrelinquishfullor
partGNAandshallpayrelinquishmentchargescorrespondingtotherelinquishedquantum
for24monthsorbalanceperiodoftheGNAwhicheverislower.
28

29. Draft first amendment
•Issued on -27.1.2023, comments invited till -17.2.2023
•Main changes proposed
•Documents to be furnished with application of connectivity-
LOA/PPA/Land
•Financial closure within 12 months or 50% completion schedule
•Revocation of connectivity-in case COD is achieved till SCOD
•Relinquishment charge for States –reduced as 18 months
•Treatment of direct drawl by states for generating stations connected
to both ISTS and intra-state system
•Concept of GNARE and T-GNARE introduced as per comments
received in Sharing regulations
29

30. Transmission Charges
•TransmissionchargestowardsISTS-tobepaidbytheentitiesdrawingpowerfromISTS.
•Undertheprevailingarrangement,thebuyingentitiespaythetransmissionchargeseither
explicitlyorimplicitlybywayoftransmissionchargebeingembeddedinthesalepriceofthe
seller.
•PaymentoftransmissionchargesshallbeasperCERC(Sharingofinter-statetransmissioncharges
andlosses)Regulations,2020asamendedfromtimetotime.
30

31. CERC(Sharing of inter-State transmission
charges and losses) Regulations 2020

32. Monthly Transmission Charges
National Component (NC)
National
Component-
HVDC (NC-
HVDC)
National
Component-
Renewable
Energy (NC-
RE)
Regional Component
(RC)
HVDC (RC-
HVDC)
STATCOM,SVC,
Bus Reactors
Transform
ers
Component
(TC)
AC System Component
(ACC)
Usage
Based
Component
(AC-UBC)
Balance
Component
(AC-BC)
State
where
located

33. National Component-Renewable Energy (NC-RE)
•Transmissionsystembuiltforrenewableswhicharecovered
underwaiveroftransmissionchargestobeseparatelybilledas
“NationalComponent”intheratioofLTA+MTOA(GNAafterit
becomeseffective)ofallDICsacrosstheCountry.
•LinewiseYTCforsuchtransmissionsystemshallbetakenat
“zerocost”
•nocostimplicationshallbethereunderusagecomponent
forsuchsystem.

34. National Component-HVDC (NC-HVDC)
•30%transmissionchargesforHVDCbipole
•HVDCsystemssuchasbacktobackareusedforcontrolfunctionbysystem
operator
•BiswanathChariali-AgraHVDCsystementireYearlyTransmissionChargesandfor
AdaniMundra–MohindergarhHVDCSystem,portionofYearlyTransmission
Charges.
•TobesharedbyDICsofallIndiaintheratioofLTA+MTOA

35. Regional Component
•HVDC (RC-HVDC)-70% of transmission charges of bipoleHVDC
Transmission System-to be shared by drawing DICs of
receiving region & injecting DICs for LTA to target.
Example
•Static Compensator (STATCOM), Static VAR Compensator
(SVC), Bus Reactors, and any other transmission element(s)
identified by Central Transmission Utility being critical for
providing stability, reliability and resilience in the grid -to be
shared by DICs in the region in which these devices are
located in the ratio of LTA+MTOA.
Drawing DICs
Injecting DICs-untied capacity

36. TransformersComponent(TC)
•ThetransformersareplannedasISTStocatertothedrawalrequirementofthe
StatebytheCTU.CTUtoprovidelistofsuchtransformers.
-wheretheactualtariffforsuchtransformerisnotavailable,CTUshall
provideindicativecostinsuchcasesforbilling.Thiscostshallbeexcluded
fromMonthlytransmissionchargestodetermineACcomponenttransmission
charges.
•If220kVsubstationfeedersareconnectedtoneighbouringstatesuchthat
drawaltransformerisactuallycateringtodrawlrequirementofstateotherthan
thestateinwhichtransformerislocated,proportionatetransmissioncharges
shallbeleviedtosuchstate.

37. •IncludesACtransmissionlines,ACsubstation,lineandbusreactorand
Inter-connectingtransformers(excludingthedrawltransformerswhich
havebeenproposedtobesharedbytheState,SVCs,STATCOMsand
suchotherdeviceswhichhavebeenproposedtobesharedbyregionin
whichtheyarelocated).
•Followingparts:
(i)UsageBasedComponent(AC-UBC);and
(ii)BalanceComponent(AC-BC).
AC System Component (ACC)

38. Actualdata–
injection/drawlforthemonth.
Linesinuse
“Peakblock”forthemonthshallbeconsideredastheblockin
whichsumofISTSdrawlforallStatesismaximumtodetermine
utilisationcomponentofACtransmissioncharges.While
identifyingpeakblock,theinjectionintoISTSbyaStateshallbe
ignored.
Usage Based Component

39. ThetransmissionchargesunderACsystemcomponentafter
allocatingthechargesunder”Usagebased”component–AC-UBC
shallbesharedasbalancecomponent–AC-BCintheratioof
ContractedcapacityofLTAandMTOA.
Balance Component-AC-BC

40. (1)ShortTermOpenAccessRate(inpaise/kWh)shallbepublishedforeachbillingmonthbythe
ImplementingAgencywhichshallbecalculatedState-wiseasunder:
TransmissionchargesoftheStateforthebillingmonth(inrupees)/(7200Xthequantum,inMW,
ofLongTermAccessplusMediumTermOpenAccessoftheStateforthecorrespondingbilling
period)
DraftAmendment
(1)T-GNARate(inRs./MW/block):
TransmissionchargesforGNAforentitieslocatedintheState,forthebillingmonth,
underfirstbill(inrupees)X1.10/(numberofdaysinamonthX96XGNAquantum,
inMW,forallsuchentitieslocatedintheStateconsideredforbilling,forthe
correspondingbillingperiod.)
Transmission charges for Short Term Open Access / T-GNA

41. Transmission Deviation
Transmission Deviation Rate in Rs./MW, for a State or any other DIC located in the State, for a
time block during a billing month shall be computed as under:
1.05 X (transmission charges of the State for the billing month in Rs.)/ (quantum in MW of Long
Term Access plus Medium Term Open Access of the State for the corresponding billing period X
2880)
Draft Amendment
(2) Transmission Deviation Rate in Rs./MW, for a State or any other DIC
located in the State, for a time block during a billing month shall be
computed as under:
1.35 X (transmission charges for GNA of entities located in the State, under first bill for the
billing month in Rs.)/ (GNA quantum in MW of such entities located in the State, considered for
billing, for the corresponding billing period X number of days in a month X 96

42. Deviation
(a)Forageneratingstation,netmeteredex-businjection,inatimeblockinexcessof
thesumofLongTermAccess,MediumTermOpenAccessandShortTermOpenAccess:
(b)ForaStatenetmeteredex-businjectionornetmetereddrawal,inatimeblock,in
excessofthesumofLongTermAccessandMediumTermOpenAccess.
(c)ForanydraweeDIC,whichisaregionalentityotherthandistributionlicensees,net
metereddrawalinatimeblockinexcessofthesumofLongTermAccess,MediumTerm
OpenAccessandShortTermOpenAccess

43. Generating station with PPA
•WhereGeneratingStationsorsellershavebeengrantedLongtermAccessor
MediumTermOpenAccessandhaveenteredintoPowerPurchaseAgreementfor
supplyofpowerundersuchLongTermAccessorMediumTermOpenAccess,the
transmissionchargestowardssuchLongTermAccessorMediumTermOpenAccess
shallbedeterminedatthedrawal-nodesandzoneandbilledtothebuyer.

44. Waiver of the Transmission Charges on the Electricity generated from the RE Sources
Draft Amendment
•“(1)NotransmissionchargesfortheuseofISTSshallbeleviedforthefollowingGNAquantum(GNA
RE),for
schedulingpowerfrom(i)REGSorRHGSbasedonwindorsolarsourcesor(ii)ESSchargedwithREGSor
RHGSbasedonwindorsolarsources:
•GNA
RE(inMW)=GNAX
ා
??????=1
�
�??????�
??????
�??????�
??????
T
Where
•SDR
Gisdrawlschedule(inMW)throughISTSunderGNAfromentitiescoveredundersubclauses(i)
and(ii)ofthisRegulationinnthblock.
•SDT
Gistotaldrawlschedule(inMW)underGNAthroughISTSfromallsourcesinnthblock.
•‘n’isthenthtimeblock
•Tisnumberoftimeblocksinamonth=96Xnumberofdaysinamonth
•Providedthatincasetotaldrawlschedule(inMW)underGNAthroughISTSfromallsources,fornthtime
block,islessthan75%ofMaximumschedulecorrespondingtoGNA,the“SDT
G”shallbetakenas75%of
maximumschedulecorrespondingtoGNAforthenthblock.

45. cer.iitk.ac.in
eal.iitk.ac.in
Thank You

46. 46
Hybrid Method
Marginal Participation + Average Participation
Methods employed in arriving at Point of Connection Charges

47. 47
47
600MW
400MW
600 x 800 = 480MW
1000
600 x 200 = 120MW
1000
400 x 800 = 320MW
1000
400 x 200 = 80MW
1000
Average Participation
A
200MW
B
800MW
Area of influence