CLEANDEVELOPMENTMECHANISMTOOL07MethodologicaltoolTooltocalculatetheemissionfactorforanelectricitysystemVersion07.0TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.02of60TABLEOFCONTENTSPage1.INTRODUCTION........................................................................................................42.SCOPE,APPLICABILITY,ANDENTRYINTOFORCE...........................................42.1.Scope.............................................................................................................42.2.Applicability....................................................................................................42.3.Entryintoforce...............................................................................................43.NORMATIVEREFERENCES....................................................................................54.DEFINITIONS.............................................................................................................55.PARAMETERS...........................................................................................................76.BASELINEMETHODOLOGYPROCEDURE...........................................................86.1.Step1:Identifytherelevantelectricitysystems.............................................86.2.Step2:Choosewhethertoincludeoff-gridpowerplantsintheprojectelectricitysystem(optional)............................................................................116.2.1.OptionI:.........................................................................................116.2.2.OptionII:........................................................................................116.2.3.OptionIIa:......................................................................................116.2.4.OptionIIb:......................................................................................126.3.Step3:Selectamethodtodeterminetheoperatingmargin(OM)................136.4.Step4:Calculatetheoperatingmarginemissionfactoraccordingtotheselectedmethod.............................................................................................166.4.1.SimpleOM....................................................................................166.4.2.SimpleadjustedOM......................................................................206.4.3.DispatchdataanalysisOM...........................................................216.4.4.AverageOM..................................................................................236.5.Step5:Calculatethebuildmargin(BM)emissionfactor...............................246.6.Step6:Calculatethecombinedmarginemissionsfactor..............................276.6.1.WeightedaverageCM..................................................................286.6.2.SimplifiedCM................................................................................296.6.3.Simplifiedcombinedmarginemissionfactorapproachforisolatedgridsystem......................................................................30TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.03of606.7.Dataandparametersnotmonitored..............................................................316.8.Projectactivityunderaprogrammeofactivities............................................317.MONITORINGMETHODOLOGY..............................................................................327.1.Monitoringparametersforisolatedgridsystem.............................................38APPENDIX1.PROCEDURESRELATEDTOOFF-GRIDPOWERGENERATION......45APPENDIX2.DEFAULTLAMBDAVALUES.................................................................51APPENDIX3.STEPWISEPROCEDURETODETERMINETHELAMBDAOFAYEAR(Y).................................................................................................52APPENDIX4.EQUATIONFORCALCULATINGWEIGHTEDAVERAGEEMISSIONFACTORFORANISOLATEDGRID....................................56TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.04of601.Introduction1.ThismethodologicaltooldeterminestheCO2emissionfactorforthedisplacementofelectricitygeneratedbypowerplantsinanelectricitysystem,bycalculatingthe“combinedmargin”emissionfactor(CM)oftheelectricitysystem.2.Scope,applicability,andentryintoforce2.1.Scope2.TheCMistheresultofaweightedaverageoftwoemissionfactorspertainingtotheelectricitysystem:the“operatingmargin”(OM)andthe“buildmargin”(BM).TheoperatingmarginistheemissionfactorthatreferstothegroupofexistingpowerplantswhosecurrentelectricitygenerationwouldbeaffectedbytheproposedCDMprojectactivity.ThebuildmarginistheemissionfactorthatreferstothegroupofprospectivepowerplantswhoseconstructionandfutureoperationwouldbeaffectedbytheproposedCDMprojectactivity.2.2.Applicability3.ThistoolmaybeappliedtoestimatetheOM,BMand/orCMwhencalculatingbaselineemissionsforaprojectactivitythatsubstitutesgridelectricitythatiswhereaprojectactivitysupplieselectricitytoagridoraprojectactivitythatresultsinsavingsofelectricitythatwouldhavebeenprovidedbythegrid(e.g.demand-sideenergyefficiencyprojects).4.Underthistool,theemissionfactorfortheprojectelectricitysystemcanbecalculatedeitherforgridpowerplantsonlyor,asanoption,canincludeoff-gridpowerplants.Inthelattercase,twosub-optionsunderthestep2ofthetoolareavailabletotheprojectparticipants,i.e.optionIIaandoptionIIb.IfoptionIIaischosen,theconditionsspecifiedin“Appendix1:Proceduresrelatedtooff-gridpowergeneration”shouldbemet.Namely,thetotalcapacityofoff-gridpowerplants(inMW)shouldbeatleast10percentofthetotalcapacityofgridpowerplantsintheelectricitysystem;orthetotalelectricitygenerationbyoff-gridpowerplants(inMWh)shouldbeatleast10percentofthetotalelectricitygenerationbygridpowerplantsintheelectricitysystem;andthatfactorswhichnegativelyaffectthereliabilityandstabilityofthegridareprimarilyduetoconstraintsingenerationandnottootheraspectssuchastransmissioncapacity.5.IncaseofCDMprojectsthetoolisnotapplicableiftheprojectelectricitysystemislocatedpartiallyortotallyinanAnnexIcountry.6.Underthistool,thevalueappliedtotheCO2emissionfactorofbiofuelsiszero.2.3.Entryintoforce7.ThedateofentryintoforceisthedateofthepublicationoftheEB100meetingreporton31August2018.TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.05of603.Normativereferences8.ThistoolreferstothelatestapprovedversionsoftheTOOL09:Determiningthebaselineefficiencyofthermalorelectricenergygenerationsystems”.ThistoolisalsoreferredtointheTOOL05"Baseline,projectand/orleakageemissionsfromelectricityconsumptionandmonitoringofelectricitygeneration”forthepurposeofcalculatingbaseline,projectandleakageemissionsincasewhereaprojectactivityconsumeselectricityfromthegridorresultsinincreaseofconsumptionofelectricityfromthegridoutsidetheprojectboundary.4.Definitions9.ThedefinitionscontainedintheGlossaryofCDMtermsshallapply.10.Forthepurposeofthistool,thefollowingdefinitionsapply:(a)Powerplant/unit-apowerplant/unitisafacilitythatgenerateselectricpower.Severalpowerunitsatonesitecompriseonepowerplant,whereasapowerunitischaracterizedbythefactthatitcanoperateindependentlyfromotherpowerunitsatthesamesite.Whereseveralidenticalpowerunits(i.e.withthesamecapacity,ageandefficiency)areinstalledatonesite,theymaybeconsideredasonesinglepowerunit;(b)Gridpowerplant/unit-apowerplant/unitthatsupplieselectricitytoanelectricitygridand,ifapplicable,tospecificconsumers.Thismeansthatpowerplantssupplyingelectricitytothegridandspecificcaptiveconsumersattheprojectareconsideredasagridpowerplant/unit,whilepowerplantsthatserveonlycaptiveconsumersanddonotsupplyelectricitytothegridarenotconsideredasagridpowerplant/unit;(c)Off-gridpowerplant/unit-apowerplant/unitthatsupplieselectricitytospecificconsumersthroughadedicateddistributionnetworkwhichisnotusedbyanyotherpowerplants.Forapowerplanttobecategorizedasoff-grid,thefollowingconditionsneedbefulfilled:(i)Acontractspecifyingtheservicebetweenthepowerplantandtheisolateduser(indicatingtimeofserviceandconditionsofsupply);(ii)Agrid(orgrids)capableofsupplyingpowertothespecificconsumer(s)towhichtheoff-gridfacilityisconnected,mustexist;(iii)Theoff-gridfacilityisnotconnectedtothegrid(s)andcannotsupplypowertothegrid(s),butonlytotheconsumer(s)towhichitisconnected;(iv)Undernormalconditions,theconsumer(s)aresuppliedtheirpowerrequirementsfromthegridonly,thatistheoff-gridplant(s)whichisconnectedtotheconsumer(s)isastandbyon-sitefacility(ies)thatisonlyusedwhenpowersupplyfromthegridfails(orinmanycases,whenthequalityofpowersupplytotheend-userisbelowacceptablequality);(v)Toensureapropershiftfromthegridsupplytotheoff-gridsupply,theconsumerhasinplaceachange-over-switchsystem(whichmaybemanualorautomatic);TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.06of60(d)Netelectricitygeneration-referstothedifferencebetweenthetotalquantityofelectricitygeneratedbythepowerplant/unitandtheauxiliaryelectricityconsumption(alsoknownasparasiticload)ofthepowerplant/unit(e.g.forpumps,fans,controllingetc.);(e)Projectelectricitysystem-isdefinedbythespatialextentofthepowerplantsthatarephysicallyconnectedthroughtransmissionanddistributionlinestotheprojectactivity(e.g.therenewablepowerplantlocationortheconsumerswhereelectricityisbeingsaved)andthatarecoveredbyeithersingleorlayereddispatcharea;(f)Isolatedgridsystem-isanelectricitysystemsupplyingelectricitytohouseholdusers,andifapplicable,industriesandcommercialareasthatisnotconnectedtoanyotherelectricalnetwork(e.g.national/regionalorinterconnectedpowersystem)andmeetoneofthefollowingconditions:(i)AnygridlocatedinaLeastDevelopedCountry(LDC)orsmallislanddevelopmentState(SIDS)whereatleast65percentofthepowerinstalledcapacityisbasedonfossilfuelsources-solid,liquidorgaseous;(ii)Anygridwhere65percentofthepowerinstalledcapacityisbasedonliquidfossilfuelsources;(iii)Anygridwithamaximumpowerinstalledcapacityof1000MWandatleast80percentofthepowerinstalledcapacityisbasedonfossilfuelsources-solid,liquidorgaseous;(g)Connectedelectricitysystem-isanelectricitysystemthatisconnectedbytransmissionlinestotheprojectelectricitysystem;(h)Dispatchcentre–isanentityresponsibleforkeepingtheelectricitysystemsynchronizedwithinitsdispatcharea.Thedispatchcentreresponsibilitiesincludeschedulinggenerationanddispatchingelectricityfrompowerplantstocustomersand,whereapplicable,totheconnectedelectricitysystem(s);(i)Dispatcharea–isanelectricitysystemorapartoftheelectricitysystemcontrolledbyadispatchcentre.Anationalelectricitysystemcouldbecontrolledbymorethanonedispatchcentre,thatareeitherorganizedintoalayereddispatchareaorintoindependentdispatchareas.Anexampleofalayereddispatchareaiswhereregionaldispatchcentresarerequiredtocomplywithordersofthenationaldispatchcentre;(j)Low-cost/must-run(LCMR)resources-aredefinedaspowerplantswithlowmarginalgenerationcostsordispatchedindependentlyofthedailyorseasonalloadofthegrid.Theyincludehydro,geothermal,wind,low-costbiomass,nuclearandsolargeneration.Ifafossilfuelplantisdispatchedindependentlyofthedailyorseasonalloadofthegridandifthiscanbedemonstratedbasedonthepubliclyavailabledata,itshouldbeconsideredasalow-cost/must-run.ElectricityimportsshallbetreatedasoneLCMRpowerplant;(k)Loadsheddingprogram-isaplannedactionthatconsistinthedeliberateswitchingoffofelectricalsupplytopartsoftheelectricitysystem.SwitchingoffisTOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.07of60requiredwhenthereisanimbalancebetweenelectricitydemandandelectricitysupply;(l)Lowestannualsystemload(LASL)–istheminimumrecordedvalueofhourlyloadinMWinagridoveracalendaryear;(m)Highestannualsystemload(HASL)–isthemaximumrecordedvalueofhourlyloadinMWinagridoveracalendaryear.5.Parameters11.Thistoolprovidesprocedurestodeterminethefollowingparameters:Table1.ParametersParameterSIUnitDescriptionEFgrid,CM,ytCO2/MWhCombinedmarginCO2emissionfactorfortheprojectelectricitysysteminyearyEFgrid,BM,ytCO2/MWhBuildmarginCO2emissionfactorfortheprojectelectricitysysteminyearyEFgrid,OM,ytCO2/MWhOperatingmarginCO2emissionfactorfortheprojectelectricitysysteminyeary12.ThistoolprovidesdifferentmethodstodetermineOMandBM.Thekeydatarequirementforapplyingthemethodsaresummarizedinthetablebelow.Table2.DatarequirementstodetermineOMandBMDispatchdataOMSimpleadjustedOMSimpleOMAverageOMBuildmarginDatarequirementsunderrespectiveoptionsPowergenerationperplantOptionA1prescribedundertheSimpleOM✓✓✓PowergenerationaggregatedOptionBprescribedundertheSimpleOM✓✓FuelconsumptionperplantOptionA1prescribedundertheSimpleOM✓✓✓FueltypeandtechnologyOptionA2prescribedundertheSimpleOM✓✓✓TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.08of60DispatchdataOMSimpleadjustedOMSimpleOMAverageOMBuildmarginFuelconsumptionaggregatedOptionBprescribedundertheSimpleOM✓✓Hourlypowergenerationandfuelconsumptionperplant✓Hourlyloadofthegrid✓Dateofcommissioningofpowerplants/units✓13.Nomethodology-specificparametersarerequired.6.Baselinemethodologyprocedure14.Projectparticipantsshallapplythefollowingsixsteps:(a)Step1:Identifytherelevantelectricitysystems;(b)Step2:Choosewhethertoincludeoff-gridpowerplantsintheprojectelectricitysystem(optional);(c)Step3:Selectamethodtodeterminetheoperatingmargin(OM);(d)Step4:Calculatetheoperatingmarginemissionfactoraccordingtotheselectedmethod;(e)Step5:Calculatethebuildmargin(BM)emissionfactor;(f)Step6:Calculatethecombinedmargin(CM)emissionfactor.6.1.Step1:Identifytherelevantelectricitysystems15.Fordeterminingtheelectricityemissionfactors,theprojectparticipantsshallidentifytherelevantprojectelectricitysystem.16.Similarly,theprojectparticipantsshallidentifyanyconnectedelectricitysystems.IfaconnectedelectricitysystemislocatedpartiallyortotallyinAnnexIcountries,thentheemissionfactorofthatconnectedelectricitysystemshouldbeconsideredzero.17.Projectparticipantsmaydelineatetheprojectelectricitysystemusinganyofthefollowingoptions:(a)Option1.AdelineationoftheprojectelectricitysystemandconnectedelectricitysystemspublishedbytheDNAorthegroupoftheDNAsofthehostcountry(ies),IncaseadelineationisprovidedbyagroupofDNAs,thesamedelineationshouldbeusedbyalltheprojectparticipantsapplyingthetoolinthesecountries;(b)Option2.AdelineationoftheprojectelectricitysystemdefinedbythedispatchareaofthedispatchcentreresponsibleforschedulinganddispatchingelectricityTOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.09of60generatedbytheprojectactivity.Wherethedispatchareaiscontrolledbymorethanonedispatchcentre,i.e.layereddispatcharea,thehigherlevelareashallbeusedasadelineationoftheprojectelectricitysystem(e.g.whereregionaldispatchcentresarerequiredtocomplywithdispatchordersofthenationaldispatchcentrethenareacontrolledbythenationaldispatchcentreshallbeused);(c)Option3.Adelineationoftheprojectelectricitysystemdefinedbymorethanoneindependentdispatchareas,e.g.multi-nationalpowerpools.18.Incaseofoption3,transmissionlinesbetweendispatchareasincludedintheproposeddelineationshallbecheckedfortheexistenceornon-existenceoftransmissionconstraints1followingtheparagraph19below.19.Therearenotransmissionconstraintsifanyoneofthefollowingcriteriaismet:2(a)Incaseofelectricitysystemswithspotmarketsforelectricity:therearedifferencesinelectricityprices(withouttransmissionanddistributioncosts)oflessthanfivepercentbetweenthetwoelectricitysystemsatleastduring90percentofthehoursofthemostrecentyearforwhichinformationisavailable(atleastoneyeardataisrequired);or(b)Thetransmissionline(s)isoperatedat753percentorlessofitsratedcapacityduring90percentormoreofthehoursofthemostrecentyearforwhichinformationisavailable(atleastoneyeardataisrequired)usingthealgorithmbelow:(i)Foreveryhouroftheyearcheckwhetherthetransmissionlineisoperatedat75percentorlessofitsratedcapacity;(ii)Eachhouroftheyearwhenthetransmissionlinewasoperatedat75percentorlessofitsratedcapacityshouldbecountedaszero;(iii)Eachhouroftheyearwhenthetransmissionlinewasoperatedat75percentormoreofitsratedcapacityshouldbecountedasone;1Ifitisdemonstratedthattherearenosignificanttransmissionconstraintsbetweenthe“projectelectricitysystem”and“connectedelectricitysystem”,thenboththeelectricitysystemstogetherrepresentasingleprojectelectricitysystemandacommongridemissionfactorcanbedeveloped.Whentransmissionconstraintsexist,nocommongridemissionactorcanbedevelopedandaccordingtoparagraph23“electricitytransfersfromaconnectedelectricitysystemstotheprojectelectricitysystemaredefinedaselectricityimportswhileelectricitytransfersfromtheprojectelectricitysystemtoconnectedelectricitysystemsaredefinedaselectricityexports.”2Asanexample,ifoneofthecriteriaismet,thenaprojectparticipantintendingtouseamulti-countryprojectelectricitysystemwouldbeabletojustifythatchoiceinsteadofusingthenationalelectricitygridastheprojectelectricitysystem.NotethatprojectparticipantsmayproposeothercriteriaorsubmitproposalsforrevisionofthesecriteriaforconsiderationbytheBoard.3Incasewherethetransmissionlineisoperatedatmorethan75centbutbelow90percentofitsratedcapacityatleastduring90percentorlessofthehoursandtheprojectproponentwishestoconsiderthereexistsnotransmissionconstraint(e.g.duetootheroperationconditions),properjustificationshallbeprovidedanddocumentedtransparentlyinthePDD.TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.010of60(iv)Thereisnotransmissionconstraintifthetotalsumislessthantenpercentofthehoursoftheyear(e.g.876forevenyearand878forleapyear);(v)Thealgorithmcanbeillustratedbythefollowingequation:∑[𝐻𝑜𝑢𝑟𝑙𝑦𝑝𝑜𝑤𝑒𝑟𝑡𝑟𝑎𝑛𝑠𝑚𝑖𝑠𝑠𝑖𝑜𝑛(𝑀𝑊ℎ)[𝑀𝑎𝑥𝑖𝑚𝑢𝑚𝑙𝑖𝑛𝑒′𝑠𝑙𝑜𝑎𝑑𝑐𝑎𝑝𝑎𝑐𝑖𝑡𝑦(𝑀𝑊)]>75𝑝𝑒𝑟𝑐𝑒𝑛𝑡]<87687601(vi)Themaximumline’sloadcapacityshouldbebasedonofficialinformation(e.g.fromtheoperatorofthesystem);(c)Thetransmissioncapacityofthetransmissionline(s)thatisconnectingelectricitysystemsismorethan10percentoftheinstalledcapacityeitheroftheprojectelectricitysystemoroftheconnectedelectricitysystem,whicheverissmaller.20.Inaddition,incasesinvolvinginternationalinterconnection(i.e.transmissionlineisbetweendifferentcountriesandtheprojectelectricitysystemcoversnationalgridsofinterconnectedcountries)itshouldbefurtherverifiedthattherearenolegalrestrictions4forinternationalelectricityexchange.21.Iftheinformationrequiredtodemonstratetransmissionconstraints(ornot)isnotpubliclyavailableorwheretheapplicationofthesecriteriadoesnotresultinacleargridboundary,projectparticipantsshallusearegional(i.e.sub-national)griddefinitioninthecaseoflargecountrieswithlayereddispatchareas(e.g.provincial/regional/national).22.Aprovincialgriddefinitionmayindeedinmanycasesbetoonarrowgivensignificantelectricitytradeamongprovincesthatmightbeaffected,directlyorindirectly,byaCDMprojectactivity.Inothercountries,thenational(orotherlarger)griddefinitionshouldbeusedbydefault.Theprojectparticipantshalldocumentthegeographicalextentoftheprojectelectricitysystemtransparentlyandidentifyallgridpowerplants/unitsconnectedtothesystem.23.Forthepurposeofthistool,thereferencesystemistheprojectelectricitysystem.Henceelectricitytransfersfromaconnectedelectricitysystemstotheprojectelectricitysystemaredefinedaselectricityimportswhileelectricitytransfersfromtheprojectelectricitysystemtoconnectedelectricitysystemsaredefinedaselectricityexports.24.Forthepurposeofdeterminingthebuildmarginemissionfactor,thespatialextentislimitedtotheprojectelectricitysystem,exceptwhererecentorlikelyfutureadditionstothetransmissioncapacityenablesignificantincreasesinimportedelectricity.Insuchcases,thetransmissioncapacitymaybeconsideredabuildmarginsource.25.Forthepurposeofdeterminingtheoperatingmarginemissionfactor,useoneofthefollowingoptionstodeterminetheCO2emissionfactor(s)fornetelectricityimportsfromaconnectedelectricitysystem:(a)0tCO2/MWh;or4Forexample,alegalagreementbetweenthecountrythattransmitselectricityandtherecipientcountrytoreduceelectricitytransmissionovertime,whiletransmissioncapacityofthetransmissionline(s)remainsthesameshouldbeconsideredasthesignificanttransmissionconstraint.TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.011of60(b)Thesimpleoperatingmarginemissionrateoftheexportinggrid,determinedasdescribedinStep4section6.4.1,iftheconditionsforthismethod,asdescribedinStep3below,applytotheexportinggrid;or(c)Thesimpleadjustedoperatingmarginemissionrateoftheexportinggrid,determinedasdescribedinStep4section6.4.2below;or(d)Theweightedaverageoperatingmargin(OM)emissionrateoftheexportinggrid,determinedasdescribedinStep4section6.4.4below.26.ForimportsfromconnectedelectricitysystemslocatedinAnnexIcountry(ies),theemissionfactoris0tonsCO2perMWh.27.Electricityexportsshouldnotbesubtractedfromelectricitygenerationdatausedforcalculatingandmonitoringtheelectricityemissionfactors.6.2.Step2:Choosewhethertoincludeoff-gridpowerplantsintheprojectelectricitysystem(optional)28.Projectparticipantsmaychoosebetweenthefollowingtwooptionstocalculatetheoperatingmarginandbuildmarginemissionfactor:6.2.1.OptionI:29.Onlygridpowerplantsareincludedinthecalculation.6.2.2.OptionII:30.Bothgridpowerplantsandoff-gridpowerplantsareincludedinthecalculation.31.OptionIIprovidestheoptiontoincludeoff-gridpowergenerationinthegridemissionfactor.OptionIIaimstoreflectthatinsomecountriesoff-gridpowergenerationissignificantandcanpartiallybedisplacedbyCDMprojectactivitiesthatareifoff-gridpowerplantsareoperatedduetoanunreliableandunstableelectricitygrid.OptionIImaybeselectedonlyfordeterminingtheoperatingmarginemissionfactororfordeterminingboththebuildmarginandtheoperatingmarginemissionfactor,butnotfordeterminingthebuildmarginemissionfactoronly.Twoalternativeapproachesareprovidedtodeterminetheelectricitygenerationbytheoff-gridpowerplantsandCO2emissionfactor.6.2.3.OptionIIa:32.OptionIIarequirescollectingdataonoff-gridpowergenerationasperappendix1andcanonlybeusediftheconditionsoutlinedthereinaremet.33.IfOptionIIaisselected,off-gridpowerplantsshouldbeclassifiedaspertheguidanceinappendix1,thatisindifferentoff-gridpowerplantsclasses.Eachoff-gridpowerplantclassshouldbeconsideredasonepowerplantj,k,morn.TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.012of606.2.4.OptionIIb:34.Asanalternativeapproach,thedefaultCO2emissionfactorandthedefaultvalueoftheelectricitygeneratedbytheoff-gridpowerplantscanbeappliedforthefirstcreditingperiod.Thefollowingconditionsapplytothisoption:(a)Theprojectactivityislocatedin(i)aLeastDevelopedCountry(LDC);or(ii)aSmallIslandDevelopingStates(SIDS)orin(iii)acountrywithlessthan10registeredCDMprojectsatthestartingdateofvalidation;and(b)Theprojectactivitiesconsistofgrid-connectedrenewablepowergeneration;and(c)Itcanbedemonstratedthatthereisaloadsheddingprograminplacetocompensatethedeficitofthegenerationcapacities.35.Fortheoff-gridpowerplantsthatchooseOptionIIbthedefaultvalueof0.8tCO2/MWhcanbeusedfortheCO2emissionfactor.36.ThefollowingdefaultvaluescanbeusedtodetermineEGm,yfortheoff-gridplants:(a)Thevalueof10percentofthetotalelectricitygenerationbygridpowerplantsintheelectricitysystemforthepurposeoftheoperatingmargindetermination;(b)Thevalueof10percentoftheelectricitygenerationbygridpowerplantsincludedinthesamplegroupasperStep5forthepurposeofthebuildmargindetermination.37.Thefollowingflowchartprovidesanoverviewontherequirementtoincludeoff-gridpowerplantsintheprojectelectricitysystemdescribedunderStep2,OptionII.TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.013of60Figure1.Flowchart:Inclusionofoff-gridpowerplantsintheprojectelectricitysystemIsthetotalcapacityofoff-gridpowerplants(inMW)≥10%ofthetotalcapacityofgridpowerplantsintheelectricitysystem?OptiontoincludeOff-gridpowerplantsinthegridemissionfactorisselectedOff-gridplantscannotbeincludedNOProjectlocatedinLDC;orSIDSorUnderrepresentedcountriesandconsistsofgrid-connectedrenewablepowergeneration;thereisaloadsheddingprograminplacetocompensatethedeficitofthegenerationcapacities?NOUseappendix2ofthetool(electricitygenerationandemissionfactorisderivedbasedonsurvey/sampling)Usethedefaultemissionfactor(0.8tCo2/MWh)anddefaultelectricitygeneration(10%ofthetotalelectricitygeneration)YESYesYes6.3.Step3:Selectamethodtodeterminetheoperatingmargin(OM)38.Thecalculationoftheoperatingmarginemissionfactor(EFgrid,OM,y)isbasedononeofthefollowingmethods,whicharedescribedunderStep4:(a)SimpleOM;or(b)SimpleadjustedOM;or(c)DispatchdataanalysisOM;or(d)AverageOM.39.ThefollowingflowchartprovidesanoverviewofOMmethods,includingdatarequirementforeachmethodandimportantconditionsthatshouldbemettoapplyaspecificOMmethod.TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.014of60Figure2.Flowchart:OverviewoftheapplicationofOMmethodsDispatchdataanalysisOMSimpleOMLCMRshare<50%inrecent5yearsSimpleadjustedOMAverageOMHourlydatafromeachpowerplantonpowergenerationandfueltypeandfuelconsumptionAnnualdatafromeachpowerplantonpowergeneration,fueltypeandfuelconsumptionYESHourlyloadsofthegridinMWareavailableNOYESAnnualaggregateddatafromthegridonpowergeneration,fueltypeandfuelconsumptionNOAnaverageloadbyLCMR<averageLASLoverthreeyearsNOYESLASL>1/3HASLNOYES40.ThesimpleOMmethod(Optionainparagraph38)canonlybeusedifanyoneofthefollowingrequirementsissatisfied:(a)Low-cost/must-runresourcesconstitutelessthan50percentoftotalgridgeneration(excludingelectricitygeneratedbyoff-gridpowerplants)in:1)averageofthefivemostrecentyears,andtheaverageofthefivemostrecentyearsshallbedeterminedbyusingoneoftheapproachesdescribedbelow;or2)basedonlong-termaveragesforhydroelectricityproduction(minimumtimeframeof15years):(i)Approach1Share𝐿𝐶𝑀𝑅=average[𝐸𝐺𝐿𝐶𝑀𝑅𝑦−4𝑡𝑜𝑡𝑎𝑙𝑦−4,…,𝐸𝐺𝐿𝐶𝑀𝑅𝑦𝑡𝑜𝑡𝑎𝑙𝑦]Equation(1)(ii)Approach2Share𝐿𝐶𝑀𝑅=𝑎𝑣𝑒𝑟𝑎𝑔𝑒(𝐸𝐺𝐿𝐶𝑀𝑅𝑦−4,…,𝐸𝐺𝐿𝐶𝑀𝑅𝑦)𝑎𝑣𝑒𝑟𝑎𝑔𝑒(𝑡𝑜𝑡𝑎𝑙𝑦−4,…,𝑡𝑜𝑡𝑎𝑙𝑦)Equation(2)TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.015of60Where:Share𝐿𝐶𝑀𝑅=Shareofthelowcost/mustrunresources(percent)𝐸𝐺𝐿𝐶𝑀𝑅𝑦=Electricitygenerationsuppliedtotheprojectelectricitysystembythelowcost/mustrunresourcesinyeary(MWh)𝑡𝑜𝑡𝑎𝑙𝑦=Totalelectricitygenerationsuppliedtotheprojectelectricitysysteminyeary(MWh)Y=Themostrecentyearforwhichdataisavailable(b)Theaverageamountofload(MW)suppliedbylow-cost/must-runresourcesinagridinthemostrecentthreeyear(𝑖.𝑒,𝑎𝑣𝑒𝑟𝑎𝑔𝑒𝑜𝑓𝐸𝐺𝐿𝐶𝑀𝑅𝑦8760,𝐸𝐺𝐿𝐶𝑀𝑅𝑦−18760,𝐸𝐺𝐿𝐶𝑀𝑅𝑦−28760)5islessthantheaverageofthelowestannualsystemloads(LASL)inthegridofthesamethreeyears(i.e.averageofLASLy,LASLy-1,LASLy-2).Pleaseseeillustrativefigurebelow.Figure3.LoadsuppliedbyLCMRresourcesinagridislessthanaLASL41.Thedispatchdataanalysis(Optionc)cannotbeusedifoff-gridpowerplantsareincludedintheprojectelectricitysystemasperStep2above.42.ForthesimpleOM,thesimpleadjustedOMandtheaverageOM,theemissionsfactorcanbecalculatedusingeitherofthetwofollowingdatavintages:(a)Exanteoption:iftheexanteoptionischosen,theemissionfactorisdeterminedonceatthevalidationstage,thusnomonitoringandrecalculationoftheemissionsfactorduringthecreditingperiodisrequired.Forgridpowerplants,5EGLCMR,y,EGLCMR,y-1,EGLCMR,y-2isthetotalenergygeneration(MWh)byallLCMRsourcesinyeary,y-1andy-2respectively.TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.016of60usea3-yeargeneration-weightedaverage,basedonthemostrecentdataavailableatthetimeofsubmissionoftheCDM-PDDtotheDOEforvalidation.Foroff-gridpowerplants,useasinglecalendaryearwithinthefivemostrecentcalendaryearspriortothetimeofsubmissionoftheCDM-PDDforvalidation;(b)Expostoption:iftheexpostoptionischosen,theemissionfactorisdeterminedfortheyearinwhichtheprojectactivitydisplacesgridelectricity,requiringtheemissionsfactortobeupdatedannuallyduringmonitoring.Ifthedatarequiredtocalculatetheemissionfactorforyearyisusuallyonlyavailablelaterthansixmonthsaftertheendofyeary,alternativelytheemissionfactorofthepreviousyeary-1maybeused.Ifthedataisusuallyonlyavailable18monthsaftertheendofyeary,theemissionfactoroftheyearproceedingthepreviousyeary-2maybeused.Thesamedatavintage(y,y-1ory-2)shouldbeusedthroughoutallcreditingperiods.43.ForthedispatchdataanalysisOM,usetheyearinwhichtheprojectactivitydisplacesgridelectricityandupdatetheemissionfactorannuallyduringmonitoring.44.ThedatavintagechosenshouldbedocumentedintheCDM-PDDandshouldnotbechangedduringthecreditingperiod.45.PowerplantsregisteredasCDMprojectactivitiesshouldbeincludedinthesamplegroupthatisusedtocalculatetheoperatingmarginifthecriteriaforincludingthepowersourceinthesamplegroupapply.6.4.Step4:Calculatetheoperatingmarginemissionfactoraccordingtotheselectedmethod6.4.1.SimpleOM46.ThesimpleOMemissionfactoriscalculatedasthegeneration-weightedaverageCO2emissionsperunitnetelectricitygeneration(tCO2/MWh)ofallgeneratingpowerplantsservingthesystem,notincludinglow-cost/must-runpowerplants/units.47.ThesimpleOMmaybecalculatedbyoneofthefollowingtwooptions:(a)OptionA:BasedonthenetelectricitygenerationandaCO2emissionfactorofeachpowerunit;6or(b)OptionB:Basedonthetotalnetelectricitygenerationofallpowerplantsservingthesystemandthefueltypesandtotalfuelconsumptionoftheprojectelectricitysystem.OptionBcanonlybeusedif:(i)ThenecessarydataforOptionAisnotavailable;and(ii)Onlynuclearandrenewablepowergenerationareconsideredaslow-cost/must-runpowersourcesandthequantityofelectricitysuppliedtothegridbythesesourcesisknown;and6Powerunitsshouldbeconsideredifsomeofthepowerunitsatthesiteofthepowerplantarelow-cost/must-rununitsandsomearenot.Powerplantscanbeconsideredifallpowerunitsatthesiteofthepowerplantbelongtothegroupoflow-cost/must-rununitsorifallpowerunitsatthesiteofthepowerplantdonotbelongtothegroupoflow-cost/must-rununits.TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.017of60(iii)Off-gridpowerplantsarenotincludedinthecalculation(i.e.ifOptionIhasbeenchoseninStep2).6.4.1.1.OptionA:Calculationbasedonaverageefficiencyandelectricitygenerationofeachplant48.Underthisoption,thesimpleOMemissionfactoriscalculatedbasedonthenetelectricitygenerationofeachpowerunitandanemissionfactorforeachpowerunit,asfollows:𝐸𝐹𝑔𝑟𝑖𝑑,𝑂𝑀𝑠𝑖𝑚𝑝𝑙𝑒,𝑦=∑𝐸𝐺𝑚,𝑦𝑚×𝐸𝐹𝐸𝐿,𝑚,𝑦∑𝐸𝐺𝑚,𝑦𝑚Equation(3)Where:EFgrid,OMsimple,y=SimpleoperatingmarginCO2emissionfactorinyeary(tCO2/MWh)EGm,y=Netquantityofelectricitygeneratedanddeliveredtothegridbypowerunitminyeary(MWh)EFEL,m,y=CO2emissionfactorofpowerunitminyeary(tCO2/MWh)m=Allpowerunitsservingthegridinyearyexceptlow-cost/must-runpowerunitsy=TherelevantyearasperthedatavintagechoseninStep36.4.1.1.1.DeterminationofEFEL,m,y49.Theemissionfactorofeachpowerunitmshouldbedeterminedasfollows:(a)OptionA1-Ifforapowerunitmdataonfuelconsumptionandelectricitygenerationisavailable,theemissionfactor(EFEL,m,y)shouldbedeterminedasfollows:𝐸𝐹𝐸𝐿,𝑚,𝑦=∑𝐹𝐶𝑖,𝑚,𝑦×𝑁𝐶𝑉𝑖,𝑦×𝐸𝐹𝐶𝑂2,𝑖,𝑦𝑖𝐸𝐺𝑚,𝑦Equation(4)Where:EFEL,m,y=CO2emissionfactorofpowerunitminyeary(tCO2/MWh)FCi,m,y=Amountoffueltypeiconsumedbypowerunitminyeary(Massorvolumeunit)NCVi,y=Netcalorificvalue(energycontent)offueltypeiinyeary(GJ/massorvolumeunit)EFCO2,i,y=CO2emissionfactoroffueltypeiinyeary(tCO2/GJ)EGm,y=Netquantityofelectricitygeneratedanddeliveredtothegridbypowerunitminyeary(MWh)m=Allpowerunitsservingthegridinyearyexceptlow-cost/must-runpowerunitsi=AllfueltypescombustedinpowerunitminyearyTOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.018of60y=TherelevantyearasperthedatavintagechoseninStep3(b)OptionA2-Ifforapowerunitmonlydataonelectricitygenerationandthefueltypesusedisavailable,theemissionfactorshouldbedeterminedbasedontheCO2emissionfactorofthefueltypeusedandtheefficiencyofthepowerunit,asfollows:𝐸𝐹𝐸𝐿,𝑚,𝑦=𝐸𝐹𝑐𝑜2,𝑚,𝑖,𝑦×3.6𝜂𝑚,𝑦Equation(5)Where:EFEL,m,y=CO2emissionfactorofpowerunitminyeary(tCO2/MWh)EFCO2,m,i,y=AverageCO2emissionfactoroffueltypeiusedinpowerunitminyeary(tCO2/GJ)ηm,y=Averagenetenergyconversionefficiencyofpowerunitminyeary(ratio)m=Allpowerunitsservingthegridinyearyexceptlow-cost/must-runpowerunitsy=TherelevantyearasperthedatavintagechoseninStep33.6=Conversionfactor(GJ/MWh)50.Whereseveralfueltypesareusedinthepowerunit,usethefueltypewiththelowestCO2emissionfactorforEFCO2,m,i,y.(a)OptionA3-Ifforapowerunitmonlydataonelectricitygenerationisavailable,anemissionfactorof0tCO2/MWhcanbeassumedasasimpleandconservativeapproach.6.4.1.1.2.DeterminationofEGm,y51.Forgridpowerplants,EGm,yshouldbedeterminedaspertheprovisionsinthemonitoringtables.52.Foroff-gridpowerplants,EGm,ycanbedeterminedusingoneofthefollowingoptions:(a)Option1-EGm,yisdeterminedbasedon(sampled)dataontheelectricitygenerationofoff-gridpowerplants,aspertheguidanceinappendix1;(b)Option2-EGm,yisdeterminedbasedon(sampled)dataonthequantityoffuelscombustedintheclassofoff-gridpowerplantsm,aspertheguidanceinappendix1,andthedefaultefficienciesprovidedinTable2,AppendixofTOOL09:”Determiningthebaselineefficiencyofthermalorelectricenergygenerationsystems"7,asfollows:𝐸𝐺𝑚,𝑦=∑𝐹𝐶𝑖,𝑚,𝑦×𝑁𝐶𝑉𝑖,𝑦×𝜂𝑚,𝑦𝑖3.6Equation(6)7<http://cdm.unfccc.int/methodologies/PAmethodologies/tools/am-tool-09-v2.0.pdf/history_view>.TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.019of60Where:EGm,y=Netquantityofelectricitygeneratedanddeliveredtothegridbypowerunitminyeary(MWh)FCi,m,y=Amountoffueltypeiconsumedbypowerplantsincludedinoff-gridpowerplantclassminyeary(massorvolumeunit)NCVi,y=Netcalorificvalue(energycontent)offueltypeiinyeary(GJ/massorvolumeunit)ηm,y=Defaultnetenergyconversionefficiencyofoff-gridpowerplantclassminyeary(ratio)m=Off-gridpowerplantclassconsideredasonepowerunit(aspertheprovisionsinappendix1tothistool)y=TherelevantyearasperthedatavintagechoseninStep3i=Fueltypesused3.6=Conversionfactor(GJ/MWh)(c)Option3-EGm,yisestimatedbasedonthecapacityofoff-gridelectricitygenerationinthatclassandadefaultplantloadfactor,asfollows:𝐸𝐺𝑚,𝑦=𝐶𝐴𝑃𝑚×𝑃𝐿𝐹𝑑𝑒𝑓𝑎𝑢𝑙𝑡,𝑜𝑓𝑓−𝑔𝑟𝑖𝑑,𝑦×8760Equation(7)Where:EGm,y=Netquantityofelectricitygeneratedanddeliveredtothegridbypowerunitminyeary(MWh)CAPm=Totalcapacityofoff-gridpowerplantsinincludedinoff-gridpowerplantclassm(MW)PLFdefault,off-grid,y=Defaultplantloadfactorforoff-gridgenerationinyeary(ratio)m=Off-gridpowerplantclassconsideredasonepowerunit(aspertheprovisionsinappendix1tothistool)y=TherelevantyearasperthedatavintagechoseninStep38760=Numberofhoursinayear(hour)53.Thedefaultplantloadfactorforoff-gridgeneration(PLFdefault,off-grid,y)shouldbedeterminedusingoneofthefollowingtwooptions:(a)Useaconservativedefaultvalueof300hoursperyear,assumingthattheoff-gridpowerplantswouldatleastoperateforonehourperdayatsixdaysatfullcapacity(i.e.PLFdefault,off-grid,y=300/8760);or(b)Calculatethedefaultplantloadfactorbasedontheaveragegridavailabilityandadefaultfactorof0.5,assumingthatoff-gridpowerplantsareoperatedatfullloadduringapproximatelyhalfofthetimethatthegridisnotavailable,asfollows:𝑃𝐿𝐹𝑑𝑒𝑓𝑎𝑢𝑙𝑡,𝑜𝑓𝑓−𝑔𝑟𝑖𝑑,𝑦=(1−𝑇𝑔𝑟𝑖𝑑,𝑦8760)×0.5Equation(8)TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.020of60Where:PLFdefault,off-grid,y=Defaultplantloadfactorforoff-gridgenerationinyeary(ratio)Tgrid,y=Averagetimethegridwasavailabletofinalelectricityconsumersinyeary(hours)8760=Numberofhoursinayear(hour)6.4.1.2.OptionB:Calculationbasedontotalfuelconsumptionandelectricitygenerationofthesystem54.Underthisoption,thesimpleOMemissionfactoriscalculatedbasedonthenetelectricitysuppliedtothegridbyallpowerplantsservingthesystem,notincludinglow-cost/must-runpowerplants/units,andbasedonthefueltype(s)andtotalfuelconsumptionoftheprojectelectricitysystem,asfollows:𝐸𝐹𝑔𝑟𝑖𝑑,𝑂𝑀𝑠𝑖𝑚𝑝𝑙𝑒,𝑦=∑𝐹𝐶𝑖,𝑦×𝑁𝐶𝑉𝑖,𝑦×𝐸𝐹𝐶𝑂2,𝑖,𝑦𝑖𝐸𝐺𝑦Equation(9)Where:EFgrid,OMsimple,y=SimpleoperatingmarginCO2emissionfactorinyeary(tCO2/MWh)FCi,y=Amountoffueltypeiconsumedintheprojectelectricitysysteminyeary(massorvolumeunit)NCVi,y=Netcalorificvalue(energycontent)offueltypeiinyeary(GJ/massorvolumeunit)EFCO2,i,y=CO2emissionfactoroffueltypeiinyeary(tCO2/GJ)EGy=Netelectricitygeneratedanddeliveredtothegridbyallpowersourcesservingthesystem,notincludinglow-cost/must-runpowerplants/units,inyeary(MWh)i=Allfueltypescombustedinpowersourcesintheprojectelectricitysysteminyearyy=TherelevantyearasperthedatavintagechoseninStep355.Forthisapproach(simpleOM)tocalculatetheoperatingmargin,thesubscriptmreferstothepowerplants/unitsdeliveringelectricitytothegrid,notincludinglow-cost/must-runpowerplants/units.6.4.2.SimpleadjustedOM56.ThesimpleadjustedOMemissionfactor(EFgrid,OM-adj,y)isavariationofthesimpleOM,wherethepowerplants/units(includingimports)areseparatedinlow-cost/must-runpowersources(k)andotherpowersources(m).AsunderOptionAofthesimpleOM,itiscalculatedbasedonthenetelectricitygenerationofeachpowerunitandanemissionfactorforeachpowerunit,asfollows:𝐸𝐹𝑔𝑟𝑖𝑑,𝑂𝑀−𝑎𝑑𝑗,𝑦=(1−𝜆𝑦)×∑𝐸𝐺𝑚,𝑦×𝐸𝐹𝐸𝐿,𝑚,𝑦𝑚∑𝐸𝐺𝑚,𝑦𝑚+𝜆𝑦×∑𝐸𝐺𝑘,𝑦×𝐸𝐹𝐸𝐿,𝑘,𝑦𝑘∑𝐸𝐺𝑘,𝑦𝑘Equation(10)TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.021of60Where:EFgrid,OM-adj,y=SimpleadjustedoperatingmarginCO2emissionfactorinyeary(tCO2/MWh)λy=Factorexpressingthepercentageoftimewhenlow-cost/must-runpowerunitsareonthemargininyearyEGm,y=Netquantityofelectricitygeneratedanddeliveredtothegridbypowerunitminyeary(MWh)EGk,y=Netquantityofelectricitygeneratedanddeliveredtothegridbypowerunitkinyeary(MWh)EFEL,m,y=CO2emissionfactorofpowerunitminyeary(tCO2/MWh)EFEL,k,y=CO2emissionfactorofpowerunitkinyeary(tCO2/MWh)m=Allgridpowerunitsservingthegridinyearyexceptlow-cost/must-runpowerunitsk=Alllow-cost/mustrungridpowerunitsservingthegridinyearyy=TherelevantyearasperthedatavintagechoseninStep357.EFEL,m,y,EFEL,k,y,EGm,yandEGk,yshouldbedeterminedusingthesameproceduresasthosefortheparametersEFEL,m,yandEGm,yinOptionAofthesimpleOMmethodabove.58.Ifoff-gridpowerplantsareincludedintheoperatingmarginemissionfactor,off-gridpowerplantsshouldbetreatedasotherpowerunitsm,whereEGm,yandEFEL,m,yshouldbedeterminedusingapproachoutlinedunderthesection“SimpleOM”.59.Theparameteryisdefinedasfollows:𝜆𝑦(𝑝𝑒𝑟𝑐𝑒𝑛𝑡)=𝑁𝑢𝑚𝑏𝑒𝑟𝑜𝑓ℎ𝑜𝑢𝑟𝑠low−cost/must−run𝑎𝑟𝑒𝑜𝑛𝑡ℎ𝑒𝑚𝑎𝑟𝑔𝑖𝑛𝑖𝑛𝑦𝑒𝑎𝑟𝑦8760ℎ𝑜𝑢𝑟𝑠𝑝𝑒𝑟𝑦𝑒𝑎𝑟Equation(11)60.Therearetwoapproachestodeterminelambda(y):61.Approach1.UsedefaultvaluesoflambdafromTable1appendix2basedontheshareofelectricitygenerationfromlow-cost/must-runintotalgenerationderivedusing1)averageofthefivemostrecentyears,or2)basedonlong-termaveragesforhydroelectricityproduction.Approach1canonlybeappliediftheLASLisnotlessthanone-thirdoftheHASLinaprojectelectricity/gridsystemdemonstratedbasedontheyearlydatafortheyearsusedtodeterminetheOMemissionfactor.62.Approach2.Lambda(y)shouldbedeterminedbyapplyingthestepwiseprocedureprovidedinappendix3.6.4.3.DispatchdataanalysisOM63.ThedispatchdataanalysisOMemissionfactor(EFgrid,OM-DD,y)isdeterminedbasedonthegridpowerunitsthatareactuallydispatchedatthemarginduringeachhourhwheretheTOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.022of60projectisdisplacinggridelectricity.Thisapproachisnotapplicabletohistoricaldataand,thus,requiresannualmonitoringofEFgrid,OM-DD,y.64.Theemissionfactoriscalculatedasfollows:𝐸𝐹𝑔𝑟𝑖𝑑,𝑂𝑀−𝐷𝐷,𝑦=∑𝐸𝐺𝑃𝐽,ℎ×𝐸𝐹𝐸𝐿,𝐷𝐷,ℎℎ𝐸𝐺𝑃𝐽,𝑦Equation(12)Where:EFgrid,OM-DD,y=DispatchdataanalysisoperatingmarginCO2emissionfactorinyeary(tCO2/MWh)EGPJ,h=Electricitydisplacedbytheprojectactivityinhourhofyeary(MWh)EFEL,DD,h=CO2emissionfactorforgridpowerunitsinthetopofthedispatchorderinhourhinyeary(tCO2/MWh)EGPJ,y=Totalelectricitydisplacedbytheprojectactivityinyeary(MWh)h=Hoursinyearyinwhichtheprojectactivityisdisplacinggridelectricityy=Yearinwhichtheprojectactivityisdisplacinggridelectricity65.Ifhourlyfuelconsumptiondataisavailable,thenthehourlyemissionsfactorisdeterminedas:𝐸𝐹𝐸𝐿,𝐷𝐷,ℎ=∑𝐹𝐶𝑖,𝑛,ℎ×𝑁𝐶𝑉𝑖,𝑦×𝐸𝐹𝐶𝑂2,𝑖,𝑦𝑖,𝑛∑𝐸𝐺𝑛,ℎ𝑛Equation(13)Where:EFEL,DD,h=CO2emissionfactorforgridpowerunitsinthetopofthedispatchorderinhourhinyeary(tCO2/MWh)FCi,n,h=Amountoffueltypeiconsumedbygridpowerunitninhourh(Massorvolumeunit)NCVi,y=Netcalorificvalue(energycontent)offueltypeiinyeary(GJ/massorvolumeunit)EFCO2,i,y=CO2emissionfactoroffueltypeiinyeary(tCO2/GJ)EGn,h=Electricitygeneratedanddeliveredtothegridbygridpowerunitninhourh(MWh)n=Gridpowerunitsinthetopofthedispatch(asdefinedbelow)i=Fueltypescombustedingridpowerunitninyearyh=Hoursinyearyinwhichtheprojectactivityisdisplacinggridelectricityy=YearinwhichtheprojectactivityisdisplacinggridelectricityTOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.023of6066.Otherwise,thehourlyemissionfactoriscalculatedbasedontheenergyefficiencyofthegridpowerunitandthefueltypeused,asfollows:𝐸𝐹𝐸𝐿,𝐷𝐷,ℎ=∑𝐸𝐺𝑛,ℎ×𝐸𝐹𝐸𝐿,𝑛,𝑦𝑛∑𝐸𝐺𝑛,ℎ𝑛Equation(14)Where:EFEL,DD,h=CO2emissionfactorforgridpowerunitsinthetopofthedispatchorderinhourhinyeary(tCO2/MWh)EGn,h=Netquantityofelectricitygeneratedanddeliveredtothegridbygridpowerunitninhourh(MWh)EFEL,n,y=CO2emissionfactorofgridpowerunitninyeary(tCO2/MWh)n=Gridpowerunitsinthetopofthedispatch(asdefinedbelow)h=Hoursinyearyinwhichtheprojectactivityisdisplacinggridelectricity67.TheCO2emissionfactorofthegridpowerunitsn(EFEL,n,y)shouldbedeterminedaspertheguidanceforthesimpleOM,usingtheOptionsA1,A2orA3.68.Todeterminethesetofgridpowerunitsnthatareinthetopofthedispatch,obtainfromanationaldispatchcentre:(a)Thegridsystemdispatchorderofoperationforeachgridpowerunitofthesystemincludingpowerunitsfromwhichelectricityisimported;and(b)Theamountofpower(MWh)thatisdispatchedfromallgridpowerunitsinthesystemduringeachhourhthattheprojectactivityisdisplacingelectricity.69.Ateachhourh,stackeachgridpowerunit’selectricitygenerationusingthemeritorder.Thegroupofgridpowerunitsninthedispatchmarginincludestheunitsinthetopxpercentoftotalelectricitydispatchedinthehourh,wherexpercentisequaltothegreaterofeither:(a)10percent(if10percentfallsonpartofthegenerationofaunit,thegenerationofthatunitisfullyincludedinthecalculation);or(b)Thequantityofelectricitydisplacedbytheprojectactivityduringhourhdividedbythetotalelectricitygenerationbygridpowerplantsduringthathourh.6.4.4.AverageOM70.TheaverageOMemissionfactor(EFgrid,OM-ave,y)iscalculatedastheaverageemissionrateofallpowerplantsservingthegrid,usingthemethodologicalguidanceasdescribedunderStep4(section6.4.1)aboveforthesimpleOM,butalsoincludingthelow-cost/must-runpowerplantsinallequations.71.WhenfollowingtheguidanceofcalculationofthesimpleOM,OptionBshouldonlybeusedifthenecessarydataforOptionAisnotavailable.TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.024of606.5.Step5:Calculatethebuildmargin(BM)emissionfactor72.Intermsofvintageofdata,projectparticipantscanchoosebetweenoneofthefollowingtwooptions:(a)Option1-forthefirstcreditingperiod,calculatethebuildmarginemissionfactorexantebasedonthemostrecentinformationavailableonunitsalreadybuiltforsamplegroupmatthetimeofCDM-PDDsubmissiontotheDOEforvalidation.Forthesecondcreditingperiod,thebuildmarginemissionfactorshouldbeupdatedbasedonthemostrecentinformationavailableonunitsalreadybuiltatthetimeofsubmissionoftherequestforrenewalofthecreditingperiodtotheDOE.Forthethirdcreditingperiod,thebuildmarginemissionfactorcalculatedforthesecondcreditingperiodshouldbeused.Thisoptiondoesnotrequiremonitoringtheemissionfactorduringthecreditingperiod;(b)Option2-Forthefirstcreditingperiod,thebuildmarginemissionfactorshallbeupdatedannually,expost,includingthoseunitsbuiltuptotheyearofregistrationoftheprojectactivityor,ifinformationuptotheyearofregistrationisnotyetavailable,includingthoseunitsbuiltuptothelatestyearforwhichinformationisavailable.Forthesecondcreditingperiod,thebuildmarginemissionsfactorshallbecalculatedexante,asdescribedinOption1above.Forthethirdcreditingperiod,thebuildmarginemissionfactorcalculatedforthesecondcreditingperiodshouldbeused.73.TheoptionchosenshouldbedocumentedintheCDM-PDD.74.Capacityadditionsfromretrofitsofpowerplantsshouldnotbeincludedinthecalculationofthebuildmarginemissionfactor.75.Thesamplegroupofpowerunitsmusedtocalculatethebuildmarginshouldbedeterminedasperthefollowingprocedure,consistentwiththedatavintageselectedabove:(a)Identifythesetoffivepowerunits,excludingpowerunitsregisteredasCDMprojectactivities,thatstartedtosupplyelectricitytothegridmostrecently(SET5units)anddeterminetheirannualelectricitygeneration(AEGSET-5-units,inMWh);(b)Determinetheannualelectricitygenerationoftheprojectelectricitysystem,excludingpowerunitsregisteredasCDMprojectactivities(AEGtotal,inMWh).Identifythesetofpowerunits,excludingpowerunitsregisteredasCDMprojectactivities,thatstartedtosupplyelectricitytothegridmostrecentlyandthatcomprise20percentofAEGtotal(if20percentfallsonpartofthegenerationofaunit,thegenerationofthatunitisfullyincludedinthecalculation)(SET20percent)anddeterminetheirannualelectricitygeneration(AEGSET-≥20percent,inMWh);(c)FromSET5-unitsandSET20percentselectthesetofpowerunitsthatcomprisesthelargerannualelectricitygeneration(SETsample);IdentifythedatewhenthepowerunitsinSETsamplestartedtosupplyelectricitytothegrid.IfnoneofthepowerunitsinSETsamplestartedtosupplyelectricitytothegridmorethan10yearsago,thenuseSETsampletocalculatethebuildmargin.InthiscaseignoreSteps(d),(e)and(f).TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.025of60Otherwise:(d)ExcludefromSETsamplethepowerunitswhichstartedtosupplyelectricitytothegridmorethan10yearsago.IncludeinthatsetthepowerunitsregisteredasCDMprojectactivities,startingwithpowerunitsthatstartedtosupplyelectricitytothegridmostrecently,untiltheelectricitygenerationofthenewsetcomprises20percentoftheannualelectricitygenerationoftheprojectelectricitysystem(if20percentfallsonpartofthegenerationofaunit,thegenerationofthatunitisfullyincludedinthecalculation)totheextentispossible.Determinefortheresultingset(SETsample-CDM)theannualelectricitygeneration(AEGSET-sample-CDM,inMWh);Iftheannualelectricitygenerationofthatsetiscomprisesatleast20percentoftheannualelectricitygenerationoftheprojectelectricitysystem(i.e.AEGSET-sample-CDM0.2AEGtotal),thenusethesamplegroupSETsample-CDMtocalculatethebuildmargin.IgnoreSteps(e)and(f).Otherwise:(e)IncludeinthesamplegroupSETsample-CDMthepowerunitsthatstartedtosupplyelectricitytothegridmorethan10yearsagountiltheelectricitygenerationofthenewsetcomprises20percentoftheannualelectricitygenerationoftheprojectelectricitysystem(if20percentfallsonpartofthegenerationofaunit,thegenerationofthatunitisfullyincludedinthecalculation);(f)Thesamplegroupofpowerunitsmusedtocalculatethebuildmarginistheresultingset(SETsample-CDM->10yrs).TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.026of6076.Thefollowingdiagramsummarizestheprocedureabove:Figure4.Proceduretodeterminethesamplegroupofpowerunitsmusedtocalculatethebuildmargin77.Thebuildmarginemissionsfactoristhegeneration-weightedaverageemissionfactor(tCO2/MWh)ofallpowerunitsmduringthemostrecentyearyforwhichelectricitygenerationdataisavailable,calculatedasfollows:𝐸𝐹𝑔𝑟𝑖𝑑,𝐵𝑀,𝑦=∑𝐸𝐺𝑚,𝑦×𝐸𝐹𝐸𝐿,𝑚,𝑦𝑚∑𝐸𝐺𝑚,𝑦𝑚Equation(15)Where:EFgrid,BM,y=BuildmarginCO2emissionfactorinyeary(tCO2/MWh)EGm,y=Netquantityofelectricitygeneratedanddeliveredtothegridbypowerunitminyeary(MWh)Identifythe5mostrecentpowerunits,excludingCDMIdentifytheunitsthatcompriseatleast20percentofthesystemgeneration,excludingCDMSelectthesetofpowerunitsthatcomprisesthelargerannualgenerationExcludepowerunitsolderthan10yearsandincludepowerunitsregisteredintheCDMDoesthesetcompriseatleast20percentofgeneration?Includepowerunitsolderthan10yearsuntilthesetcomprises20percentofgenerationUsetheresultingsettocalculatethebuildmarginYYNNUsetheresultingsettocalculatethebuildmarginIsthereatleastonepowerunitolderthan10yearsintheset?YUsetheresultingsettocalculatethebuildmarginTOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.027of60EFEL,m,y=CO2emissionfactorofpowerunitminyeary(tCO2/MWh)m=Powerunitsincludedinthebuildmarginy=Mostrecenthistoricalyearforwhichelectricitygenerationdataisavailable78.TheCO2emissionfactorofeachpowerunitm(EFEL,m,y)shouldbedeterminedaspertheguidanceinStep4section6.4.1forthesimpleOM,usingOptionsA1,A2orA3,usingforythemostrecenthistoricalyearforwhichelectricitygenerationdataisavailable,andusingformthepowerunitsincludedinthebuildmargin.79.IfthepowerunitsincludedinthebuildmarginmcorrespondtothesamplegroupSETsample-CDM->10yrs,then,asaconservativeapproach,onlyOptionA2fromguidanceinStep4section6.4.1canbeusedandthedefaultvaluesprovidedinTable2,AppendixofTOOL09:”Determiningthebaselineefficiencyofthermalorelectricenergygenerationsystems"shallbeusedtodeterminetheparameterηm,yforthepowerunitsthatstartedtosupplyelectricitytothegridmorethan10yearsago.80.Foroff-gridpowerplants,EGm,yshouldbedeterminedaspertheguidanceinStep4.6.6.Step6:Calculatethecombinedmarginemissionsfactor81.Thecalculationofthecombinedmargin(CM)emissionfactor(EFgrid,CM,y)isbasedononeofthefollowingmethods:(a)WeightedaverageCM;or(b)SimplifiedCM.82.TheflowchartbelowprovidesanoverviewofoptionsavailabletodeterminetheCMemissionfactor.Figure5.Flowchart:DeterminationofCMemissionfactorToolisnotapplicableWeightedAverageCM=wOMOM+wBMBMSimplifiedCMCM=AOM(Para103/106)AredatatodetermineOMavailable?IsgridlocatedinLDC/SIDs/URCoristhegridanisolatedsystem?NOYESAredatatodetermineBMavailable?YESSimplifiedCMBasedondefaultBMEF(Para104)NOYESNO83.TheweightedaverageCMmethod(Optiona)shouldbeusedasthepreferredoption.84.ThesimplifiedCMmethod(Optionb,asdescribedunder6.6.2below)canonlybeusedifthedatarequirementsfortheapplicationofStep5abovecannotbemet.TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.028of606.6.1.WeightedaverageCM85.Thecombinedmarginemissionsfactoriscalculatedasfollows:𝐸𝐹𝑔𝑟𝑖𝑑,𝐶𝑀,𝑦=𝐸𝐹𝑔𝑟𝑖𝑑,𝑂𝑀,𝑦×𝑤𝑂𝑀+𝐸𝐹𝑔𝑟𝑖𝑑,𝐵𝑀,𝑦×𝑤𝐵𝑀Equation(16)Where:𝐸𝐹𝑔𝑟𝑖𝑑,𝐵𝑀,𝑦=BuildmarginCO2emissionfactorinyeary(tCO2/MWh)𝐸𝐹𝑔𝑟𝑖𝑑,𝑂𝑀,𝑦=OperatingmarginCO2emissionfactorinyeary(tCO2/MWh)𝑤𝑂𝑀=Weightingofoperatingmarginemissionsfactor(percent)𝑤𝐵𝑀=Weightingofbuildmarginemissionsfactor(percent)86.ThefollowingdefaultvaluesshouldbeusedforwOMandwBM:(a)Windandsolarpowergenerationprojectactivities:wOM=0.75andwBM=0.25(owingtotheirintermittentandnon-dispatchablenature)forthefirstcreditingperiodandforsubsequentcreditingperiods;(b)Allotherprojects:wOM=0.5andwBM=0.5forthefirstcreditingperiod,andwOM=0.25andwBM=0.75forthesecondandthirdcreditingperiod,8unlessotherwisespecifiedintheapprovedmethodologywhichreferstothistool.87.Alternativeweightscanbeproposed,aslongaswOM+wBM=1,forconsiderationbytheBoard,takingintoaccounttheguidanceasdescribedbelow.ThevaluesforwOM+wBMappliedbyprojectparticipantsshouldbefixedforacreditingperiodandmayberevisedattherenewalofthecreditingperiod.6.6.1.1.Guidanceonselectingalternativeweights88.Thefollowingguidanceprovidesanumberofproject-specificandcontext-specificfactorsfordevelopingalternativeoperatingandbuildmarginweightstotheabovedefaults.Itdoesnot,however,providespecificalgorithmstotranslatethesefactorsintoquantifiedweights,nordoesitaddressallfactorsthatmightconceivablyaffecttheseweights.Inthiscase,projectparticipantsaresuggestedtoproposespecificquantificationmethodswithjustificationsthatareconsistentwiththeguidanceprovidedbelow.89.GiventhatitisunlikelythataprojectwillimpacteithertheOMorBMexclusivelyduringthefirstcreditingperiod,itissuggestedthatneitherweightexceed75percentduringthefirstcreditingperiod.8Projectparticipantscansubmitalternativeproposal,forrevisionoftoolorthemethodologyordeviationfromitsuse,iftheweightagedoesnotreflecttheirsituationwithanexplanationforthealternativeweights.TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.029of60Table3.GuidanceonselectingalternativeweightsFactorSummary–ImpactonweightsFurtherexplanationProjectsize(absoluteorrelativetothegridsizeofthesystemorthesizeofothersystemcapacityadditions)NochangeinweightonbasisofabsoluteorrelativesizealoneAlternativeweightsonthebasisofabsoluteorrelativeprojectsizealonedonotappeartobejustifiedTimingofprojectoutputCanincreaseOMweightforhighlyoff-peakprojects;increaseBMforhighlyon-peakprojectsProjectswithmainlyoff-peakoutputcanhaveagreaterOMweight(e.g.solarPVprojectsineveningpeakregions,seasonalbiomassgenerationduringoff-peakseasons),whereasprojectswithdisproportionatelyhighoutputduringon-peakperiods(e.g.airconditioningefficiencyprojectsinsomegrids)canhavegreaterBMweightPredictabilityofprojectoutputCanincreaseOMforintermittentresourcesinsomecontextsProjectswithoutputofanintermittentnature(e.g.windorsolarprojects)mayhavelimitedcapacityvalue,dependingonthenatureofthe(wind/solar)resourceandthegridinquestion,andtotheextentthataproject’scapacityvalueislowerthanthatofatypicalgridresourceitsBMweightcanbereduced.PotentialadjustmentstotheOM/BMmarginshouldtakeintoaccountavailablemethods(intechnicalliterature)forestimatingcapacityvalue9SuppresseddemandCanincreaseBMweightforthe1stcreditingperiodUnderconditionsofsuppresseddemandthatareexpectedtopersistthroughoverhalfofthefirstcreditingperiodacrossasignificantnumberofhoursperyear,availablepowerplantsarelikelytobeoperatedfullyregardlessoftheCDMproject,andthustheOMweightcanbereduced10Forsystemmanagement(natureoflocalelectricitymarkets,planning,andactors)andotherconsiderationsnoguidanceisavailableatpresent6.6.2.SimplifiedCM90.Iftheprojectactivityislocatedin:(i)aLeastDevelopedCountry(LDC);orin(ii)acountrywithlessthan10registeredCDMprojectsatthestartingdateofvalidation;or(iii)9Capacityvaluereferstotheimpactofacapacityadditiononthecapacityrequirementsofagridsystem,expressedasfractionofcontributiontomeetingpeakdemandsrelativetoaconventional,dispatchablecapacityadditionortoatheoreticalperfectlyreliableone.10Inotherwords,if,consistentwithparagraph46oftheCDMmodalitiesandprocedures,oneassumesthatelectricitycouldotherwisebesuppliedtomeetsuppresseddemand,thiselectricitywouldneedtobeprovidedbytheconstructionandoperationofnewpowerplants,whichisembodiedinthebuildmargin.Insomecases,thereasonforsuppresseddemandmaybetheinabilitytooperateexistingpowerplants,due,forexample,tolackofsparepartsorlackofavailabilityorabilitytopayforfuel.Insuchcircumstances,thebaselinescenariocouldrepresenttheoperationofthesepowerplants,inwhichcasethebaselineemissionfactorshouldreflecttheircharacteristics.Thissituationwouldlikelyrequireanewmethodology.TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.030of60aSmallIslandDevelopingStates(SIDS),thecombinedmargincalculatedusingequation(16)abovewiththefollowingconditions:(a)wBM=0;(b)wOM=1;91.Iftheprojectactivityislocatedinacountryotherthanthosementionedinparagraph90,thecombinedmarginmaybecalculatedusingequation(16)abovewiththefollowingprovisions:(a)Case1:Iftheshareofrenewableenergyintotalinstalledcapacityinagrid/projectelectricitysystemislessthanorequalto20percenttakethedefaultvaluesof:EFgrid,BM,y=0.326tCO2/MWh(NG-firedCCGT,basedonbestavailabletechnology)-ifnaturalgashasbeenusedforelectricityproductionincountry/regioninwhichprojectisimplemented;orEFgrid,BM,y=0.568tCO2/MWh(oil-firedCCGTbasedonbestavailabletechnology)-ifnaturalgashasnotbeenusedforelectricityproductionincountry/regioninwhichprojectisimplemented;(b)Case2:Iftheshareofrenewableenergyintotalinstalledcapacityinagrid/projectelectricitysystemismorethanorequalto20percent,takethedefaultvaluesforBMemissionfactoraszero.92.UnderthesimplifiedCM,theoperatingmarginemissionfactor(EFgrid,OM,y)mustbecalculatedusingtheaverageOM(Option(d)inStep3).6.6.3.Simplifiedcombinedmarginemissionfactorapproachforisolatedgridsystem93.Thefollowingoptionsareapplicableonlyifthetotalfuelconsumptionand/orthecommissioningdatesoftheplantsinisolatedgridsarenotavailable.Iftotalgenerationandtotalfuelconsumptiondataareavailable,theseshouldbeusedtocalculatetheemissionfactor(i.e.SimplifiedCM=AverageOM,calculatedusingSimpleOM,OptionB).6.6.3.1.Isolatedgridsystemwithasinglediesel/fueloilgeneratorpowerplant94.Forsystemwiththesinglediesel/fueloilgeneratorplant,theoptionsareasfollows(a)Option1:ThesimplifiedCMemissionfactoristheaverageemissionsfactorcorrespondingtomostrecentlybuiltplant(lessthan10yearsold)withsimilartechnologyinthecountry.ThiscanbecalculatedusingsimpleOMmethod;(b)Option2:Use0.79tCO2/MWhasOMemissionfactor,0.58tCO2/MWhasBMemissionfactorandestimateweightedaverageCMfollowingprocedureprovidedundersection6.6.1.TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.031of606.6.3.2.Isolatedgridsystemwithmultiplepowerplants6.6.3.2.1.Case1:Isolatedgridsystemwithonlyliquidfuelpowerplant95.Forsystemswithonlyliquidfuelpowerplants,theoptionstocalculatethesimplifiedCMareasfollows:(a)Option1:Weightedaverageemissionfactorcalculatedusingtheprocedurecontainedinappendix4;(b)Option2:Use0.79tCO2/MWhasOMemissionfactor,0.58tCO2/MWhasBMemissionfactorandestimateweightedaverageCMfollowingprocedureprovidedundersection6.6.1.6.6.3.2.2.Case2:Isolatedgridsystemswithmultiplefuelandtechnologytypeswithoutcombinedcyclepowerplants96.TheoptionsbelowtocalculatethesimplifiedCMonlyapplyforisolatedsystemswithmultiplefuelandtechnologytypeswithoutcombinedcyclepowerplants:(a)Option1:Weightedaverageemissionfactorcalculatedusingtheprocedurecontainedinappendix4;(b)Option2:Use0.40tCO2/MWhiftherearenogaseousfuelpowerplants,otherwiseuse0.32tCO2/MWh.116.6.3.2.3.Case3:Isolatedgridsystemswithmultiplefuelandtechnologytypeswithcombinedcyclepowerplants97.TheoptionsbelowtocalculatethesimplifiedCMonlyapplyforisolatedsystemswithmultiplefuelandtechnologytypesandwithatleastonecombinedcyclepowerplants:(a)Option01:Weightedaverageemissionfactorcalculatedusingtheprocedurecontainedinappendix4;(b)Option02:Use0.27tCO2/MWhiftherearenogaseousfuel-basedcombinedcyclepowerplants,otherwiseuse0.20tCO2/MWh.126.7.Dataandparametersnotmonitored98.Includedinthemonitoringmethodology.6.8.Projectactivityunderaprogrammeofactivities99.Whenapplyingthistoolforaprogrammeofactivities(PoA),thestepsdefinedaboveshallbeappliedtoeachcomponentprojectactivity(CPA)ofthePoAfordeterminingtheCO2emissionfactorforanelectricitysystem.11TheemissionfactorsarecalculatedbasedonefficiencyvaluesoflatestpowerplantsprescribedunderTable2ofAppendixinTOOL09:Determiningthebaselineefficiencyofthermalorelectricenergygenerationsystemswith65%and35%weightsappliedtofossilfuelandrenewablesrespectively.12Seefootnote11onhowtheseemissionfactorsarederived.TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.032of60100.TheCMEshalldescribeintheCDM-PoA-DDthefollowinginformation:(a)Electricitysystem(s)coveredbythePoA(e.g.thenameofthegrid(s)connectedtotheCPAs);and(b)Sourcesofdatausedtodeterminetheemissionfactor(s)forallelectricitysystem(s)tobecoveredinthePoA(e.g.theyearbookoftheelectricity/energysector);and(c)Equationsandoptionsusedtocalculatetheemissionfactor(e.g.ex-anteorex-post,variousoptionsusedfordeterminingtheOMandBM).101.Thechoiceofwhichoptiontouse(i.e.exanteorexpost,optionsusedfordeterminingtheOMandBM)shallbedeterminedanddocumentedintheCDM-PoA-DD,andtheselectedoptionsshallbeconsistentlyappliedtoallCPAsconnectedtoagivenelectricitysystem.TheCMEmayhoweverselectdifferentoptionsfordifferentelectricitysystemsinthecaseofaPoAcoveringmorethanoneelectricitysystems.7.Monitoringmethodology102.Alldatacollectedaspartofmonitoringshouldbearchivedelectronicallyandbekeptforatleasttwoyearsaftertheendofthelastcreditingperiod.Onehundredpercentofthedatashouldbemonitoredifnotindicatedotherwiseinthetablesbelow.Allmeasurementsshouldbeconductedwithcalibratedmeasurementequipmentaccordingtorelevantindustrystandards.103.Someparameterslistedbelowunder“dataandparameters”eitherneedtobemonitoredcontinuouslyduringthecreditingperiodorneedtobecalculatedonlyonceforthecreditingperiod,dependingonthedatavintagechosen,followingtheprovisionsinthebaselinemethodologyprocedureoutlinedaboveandtheguidanceon“monitoringfrequency”fortheparameter.104.ThecalculationoftheoperatingmarginandbuildmarginemissionfactorsshouldbedocumentedelectronicallyinaspreadsheetthatshouldbeattachedtotheCDM-PDD.Thisshouldincludealldatausedtocalculatetheemissionfactors,including:(a)Thefollowinginformationforeachgrid-connectedpowerplant/unit:(i)Informationtoclearlyidentifytheplant;(ii)Thedateofcommissioning;(iii)Thecapacity(MW);(iv)Thefueltype(s)used;(v)Thequantityofnetelectricitygenerationintherelevantyear(s);13(vi)Ifapplicable:thefuelconsumptionofeachfueltypeintherelevantyear(s);13IncaseofthesimpleadjustedOM,thisincludesthefivemostrecentyearsorlong-termaveragesforhydroelectricityproduction.TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.033of60(vii)IncaseswherethesimpleOMorthesimpleadjustedoperatingmarginisused:Informationwhethertheplant/unitisalow-cost/must-runplant/unit;(b)Netcalorificvaluesused;(c)CO2emissionfactorsused;(d)Plantefficienciesused;(e)Identificationoftheplantsincludedinthebuildmarginandtheoperatingmarginduringtherelevanttimeyear(s);(f)Incasethesimpleadjustedoperatingmarginisused:loaddata(typicallyinMW)foreachhouroftheyeary;(g)Incasethedispatchdataoperatingmarginisused:foreachhourhwheretheprojectplantisdisplacinggridelectricity:(i)Thedispatchorderofallgrid-connectedpowerplants;(ii)Thetotalgridelectricitydemand;(iii)Thequantityofelectricitydisplacedbytheprojectactivity;(iv)Identificationoftheplantsthatareinthetopofthedispatchandforeachplantinformationonelectricitygenerationand,wherehourlyfuelconsumptiondataisavailable,dataonthetypesandquantitiesoffuelsconsumedduringthathour.105.Incaseoff-gridpowerplantsareincluded,theguidanceformonitoringdataandparametersrelatedtooff-gridplantsprovidedinappendix1shouldalsobefollowed.106.Thedatashouldbepresentedinamannerthatenablesreproducingofthecalculationofthebuildmarginandoperatingmargingridemissionfactor.Data/Parametertable1.Data/Parameter:FCi,m,y,FCi,y,FCi,k,y,FCi,n,yandFCi,n,hDataunit:MassorvolumeunitDescription:Amountoffueltypeiconsumedbypowerplant/unitm,korn(orintheprojectelectricitysystemincaseofFCi,y)inyearyorhourhSourceofdata:UtilityorgovernmentrecordsorofficialpublicationsMeasurementprocedures(ifany):-TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.034of60Monitoringfrequency:(a)SimpleOM,simpleadjustedOM,averageOM:EitheronceforeachcreditingperiodusingthemostrecentthreehistoricalyearsforwhichdataisavailableatthetimeofsubmissionoftheCDM-PDDtotheDOEforvalidation(exanteoption)orannuallyduringthecreditingperiodfortherelevantyear,followingtheguidanceinStep3above;(b)DispatchdataOM:Ifavailable,hourly(asperStep3above),otherwiseannuallyfortheyearyinwhichtheprojectactivityisdisplacinggridelectricity.FurtherguidancecanbefoundinStep3above;(c)BM:Forthefirstcreditingperiod,eitheronceexanteorannuallyexpost,followingtheguidanceincludedinStep5.Forthesecondandthirdcreditingperiod,onlyonceexanteatthestartofthesecondcreditingperiodQA/QCprocedures:-Anycomment:-Data/Parametertable2.Data/Parameter:NCVi,yDataunit:GJ/massorvolumeunitDescription:Netcalorificvalue(energycontent)offueltypeiinyearySourceofdata:Thefollowingdatasourcesmaybeusediftherelevantconditionsapply:DatasourceConditionsforusingthedatasourceValuesprovidedbythefuelsupplierofthepowerplantsininvoicesIfdataiscollectedfrompowerplantoperators(e.g.utilities)RegionalornationalaveragedefaultvaluesIfvaluesarereliableanddocumentedinregionalornationalenergystatistics/energybalancesIPCCdefaultvaluesatthelowerlimitoftheuncertaintyata95percentconfidenceintervalasprovidedinTable1.2ofChapter1ofVol.2(Energy)ofthe2006IPCCGuidelinesonNationalGHGInventoriesMeasurementprocedures(ifany):-TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.035of60Monitoringfrequency:(a)SimpleOM,simpleadjustedOM,averageOM:EitheronceforeachcreditingperiodusingthemostrecentthreehistoricalyearsforwhichdataisavailableatthetimeofsubmissionoftheCDM-PDDtotheDOEforvalidation(exanteoption)orannuallyduringthecreditingperiodfortherelevantyear,followingtheguidanceinStep3above;(b)DispatchdataOM:Annuallyfortheyearyinwhichtheprojectactivityisdisplacinggridelectricityor,ifavailable,hourly.FurtherguidancecanbefoundinStep3above;(c)BM:Forthefirstcreditingperiod,eitheronceexanteorannuallyexpost,followingtheguidanceincludedinStep5.Forthesecondandthirdcreditingperiod,onlyonceexanteatthestartofthesecondcreditingperiodQA/QCprocedures:-Anycomment:Thegrosscalorificvalue(GCV)ofthefuelcanbeused,ifgrosscalorificvaluesareprovidedbythedatasourcesused.MakesurethatinsuchcasesalsoagrosscalorificvaluebasisisusedforCO2emissionfactorData/Parametertable3.Data/Parameter:EFCO2,i,yandEFCO2,m,i,yDataunit:tCO2/GJDescription:CO2emissionfactoroffueltypeiusedinpowerunitminyearySourceofdata:Thefollowingdatasourcesmaybeusediftherelevantconditionsapply:DatasourceConditionsforusingthedatasourceValuesprovidedbythefuelsupplierofthepowerplantsininvoicesIfdataiscollectedfrompowerplantoperators(e.g.utilities)RegionalornationalaveragedefaultvaluesIfvaluesarereliableanddocumentedinregionalornationalenergystatistics/energybalancesIPCCdefaultvaluesatthelowerlimitoftheuncertaintyata95percentconfidenceintervalasprovidedintable1.4ofChapter1ofVol.2(Energy)ofthe2006IPCCGuidelinesonNationalGHGInventoriesMeasurementprocedures(ifany):-TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.036of60Monitoringfrequency:(a)SimpleOM,simpleadjustedOM,averageOM:EitheronceforeachcreditingperiodusingthemostrecentthreehistoricalyearsforwhichdataisavailableatthetimeofsubmissionoftheCDM-PDDtotheDOEforvalidation(exanteoption)orannuallyduringthecreditingperiodfortherelevantyear,followingtheguidanceinStep3above;(b)DispatchdataOM:Annuallyfortheyearyinwhichtheprojectactivityisdisplacinggridelectricityor,ifavailable,hourly.FurtherguidancecanbefoundinStep3above;(c)BM:Forthefirstcreditingperiod,eitheronceexanteorannuallyexpost,followingtheguidanceincludedinStep5.Forthesecondandthirdcreditingperiod,onlyonceexanteatthestartofthesecondcreditingperiodQA/QCprocedures:-Anycomment:ForbiofuelsthevalueappliedtotheCO2emissionfactoriszeroData/Parametertable4.Data/Parameter:EGm,y,EGy,EGk,yandEGn,hDataunit:MWhDescription:Netelectricitygeneratedbypowerplant/unitm,korn(orintheprojectelectricitysystemincaseofEGy)inyearyorhourhSourceofdata:UtilityorgovernmentrecordsorofficialpublicationsMeasurementprocedures(ifany):-Monitoringfrequency:(a)SimpleOM,simpleadjustedOM,averageOM:EitheronceforeachcreditingperiodusingthemostrecentthreehistoricalyearsforwhichdataisavailableatthetimeofsubmissionoftheCDM-PDDtotheDOEforvalidation(exanteoption);orannuallyduringthecreditingperiodfortherelevantyear,followingtheguidanceinStep3above;(b)DispatchdataOM:Hourly.FurtherguidancecanbefoundinStep3above;(c)BM:Forthefirstcreditingperiod,eitheronceexanteorannuallyexpost,followingtheguidanceincludedinStep5.Forthesecondandthirdcreditingperiod,onlyonceexanteatthestartofthesecondcreditingperiodQA/QCprocedures:-Anycomment:-Data/Parametertable5.Data/Parameter:EGPJ,handEGPJ,yDataunit:MWhDescription:Electricitydisplacedbytheprojectactivityinhourhofyeary,orinyearySourceofdata:AsspecifiedbytheunderlyingmethodologyMeasurementprocedures(ifany):AsspecifiedbytheunderlyingmethodologyTOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.037of60Monitoringfrequency:Hourlyoryearly,asapplicableQA/QCprocedures:AsspecifiedbytheunderlyingmethodologyAnycomment:-Data/Parametertable6.Data/Parameter:ηm,yandηk,yDataunit:-Description:AveragenetenergyconversionefficiencyofpowerunitmorkinyearySourceofdata:Useeither:(a)Documentedmanufacturer’sspecifications(iftheefficiencyoftheplantisnotsignificantlyincreasedthroughretrofitsorrehabilitations);or(b)Forgridpowerplants:datafromtheutility,thedispatchcenterorofficialrecordsifitcanbedeemedreliable;or(c)ThedefaultvaluesprovidedininTable2,AppendixofTOOL09:”Determiningthebaselineefficiencyofthermalorelectricenergygenerationsystems"(ifavailableforthetypeofpowerplant)Measurementprocedures(ifany):-Monitoringfrequency:OnceforthecreditingperiodQA/QCprocedures:Ifthedataobtainedfromthemanufacturer,theutility,thedispatchcenterofofficialrecordsissignificantlylowerthanthedefaultvalueprovidedinTable2,AppendixofTOOL09:”Determiningthebaselineefficiencyofthermalorelectricenergygenerationsystems"14fortheapplicabletechnology,projectproponentsshouldassessthereliabilityofthevalues,andprovideappropriatejustificationifdeemedreliable.Otherwise,thedefaultvaluesprovidedinAppendixofTOOL09shallbeusedAnycomment:-Data/Parametertable7.Data/Parameter:CAPmDataunit:MWDescription:Totalcapacityofoff-gridpowerplantsincludedinoff-gridpowerplantclassmSourceofdata:Surveyonoffgrid-powerplants,asperappendix1Measurementprocedures(ifany):Asperappendix1Monitoringfrequency:AspertheprovisionsinStep3ofthistoolQA/QCprocedures:-Anycomment:OnlyapplicableifOptionIIischoseninStep2ofthistool14<http://cdm.unfccc.int/methodologies/PAmethodologies/tools/am-tool-09-v2.0.pdf/history_view>.TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.038of60Data/Parametertable8.Data/Parameter:PLFdefault,off-grid,yDataunit:DimensionlessDescription:Plantloadfactorforoff-gridgenerationinyearySourceofdata:Defaultvalueof300hoursperyear,orcalculateonthebasisofequation(7)Measurementprocedures(ifany):-Monitoringfrequency:AspertheprovisionsinStep3ofthistoolQA/QCprocedures:-Anycomment:OnlyapplicableifOptionIIischoseninStep2ofthistoolandifOption3ischosentodetermineEGm,yinStep4ofthistoolData/Parametertable9.Data/Parameter:Tgrid,yDataunit:HoursDescription:AveragetimethegridwasavailabletofinalelectricityconsumersinyearySourceofdata:UtilityorgovernmentrecordsorofficialpublicationsMeasurementprocedures(ifany):-Monitoringfrequency:-QA/QCprocedures:-Anycomment:OnlyapplicableifOptionIIischoseninStep2ofthistoolandifOption3ischosentodetermineEGm,yinStep4ofthistoolandifequation(7)isappliedData/Parametertable10.Data/Parameter:Otherparametersrelatedtooff-gridpowerplantsDataunit:Asperappendix1Description:Asperappendix1Sourceofdata:Asperappendix1Measurementprocedures(ifany):Asperappendix1Monitoringfrequency:Asperappendix1QA/QCprocedures:Asperappendix1Anycomment:-7.1.Monitoringparametersforisolatedgridsystem107.Relevantparametersshallbemonitoredinaccordancewiththedata/parametertablesbelow.Inspecificcasesofcombinedcyclepowerplantsusingliquidandgasesousfuels,suchpowerplantsshallbecategorisedasgaseousfuelplantsinthedata/parametertable.TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.039of60Data/Parametertable11.Data/Parameter:EGLS_FF,yDataunit:MWh/yrDescription:Quantityoftotalelectricitysuppliedtotheisolatedgridbythepowerplantsthatusesliquidorsolidfossil(butexcludingcombinedcyclepowerplants)inyearySourceofdata:ProjectactivitysiteMeasurementprocedures(ifany):-Monitoringfrequency:YearlyrecordingQA/QCprocedures:-Anycomment:-Data/Parametertable12.Data/Parameter:EGLS_FF,n,yDataunit:MWh/yrDescription:Quantityofnetelectricitysuppliedtotheisolatedgridbythepowerplantnthatusesliquidorsolidfossil(butexcludingcombinedcyclepowerplants)inyearySourceofdata:ProjectactivitysiteMeasurementprocedures(ifany):-Monitoringfrequency:YearlyrecordingQA/QCprocedures:-Anycomment:-Data/Parametertable13.Data/Parameter:nDataunit:-Description:Powerplantsthatuseliquidorsolidfossilfuels,excludingcombinedcyclepowerplants,andthatdispatchedelectricitytotheisolatedgridinyearySourceofdata:ProjectactivitysiteMeasurementprocedures(ifany):-Monitoringfrequency:YearlyrecordingQA/QCprocedures:-Anycomment:-Data/Parametertable14.Data/Parameter:NDataunit:TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.040of60Description:Totalnumberofpowerplantsthatuseonlyliquidorsolidfossilfuels,excludingcombinedcyclepowerplants,andthatdispatchedelectricitytotheisolatedgridinyearySourceofdata:ProjectactivitysiteMeasurementprocedures(ifany):-Monitoringfrequency:YearlyrecordingQA/QCprocedures:-Anycomment:-Data/Parametertable15.Data/Parameter:EGLCC_FF,yDataunit:MWh/yrDescription:QuantityoftotalelectricitysuppliedtotheisolatedgridbythecombinedcyclepowerplantsthatuseliquidfossilfuelsinyearySourceofdata:ProjectactivitysiteMeasurementprocedures(ifany):-Monitoringfrequency:YearlyrecordingQA/QCprocedures:-Anycomment:-Data/Parametertable16.Data/Parameter:EGLCC_FF,q,yDataunit:MWh/yrDescription:QuantityofnetelectricitysuppliedtotheisolatedgridbythecombinedcyclepowerplantqthatuseliquidfossilfuelsinyearySourceofdata:ProjectactivitysiteMeasurementprocedures(ifany):-Monitoringfrequency:YearlyrecordingQA/QCprocedures:-Anycomment:-Data/Parametertable17.Data/Parameter:qDataunit:-Description:CombinedcyclepowerplantsthatuseliquidfossilfuelsandthatdispatchedelectricitytotheisolatedgridinyearySourceofdata:ProjectactivitysiteMeasurementprocedures(ifany):-Monitoringfrequency:YearlyrecordingTOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.041of60QA/QCprocedures:-Anycomment:-Data/Parametertable18.Data/Parameter:QDataunit:Description:TotalnumberofcombinedcyclepowerplantsthatuseliquidfossilfuelsthatdispatchedelectricitytotheisolatedgridinyearySourceofdata:ProjectactivitysiteMeasurementprocedures(ifany):-Monitoringfrequency:YearlyrecordingQA/QCprocedures:-Anycomment:-Data/Parametertable19.Data/Parameter:EGG_FF,yDataunit:MWh/yrDescription:QuantityoftotalelectricitysuppliedtotheisolatedgridbythegaseousfossilfuelopencyclepowerplantsinyearySourceofdata:ProjectactivitysiteMeasurementprocedures(ifany):-Monitoringfrequency:YearlyrecordingQA/QCprocedures:-Anycomment:-Data/Parametertable20.Data/Parameter:EGG_FF,r,yDataunit:MWh/yrDescription:QuantityofnetelectricitysuppliedtotheisolatedgridbythegaseousfossilfuelopencyclepowerplantrinyearySourceofdata:ProjectactivitysiteMeasurementprocedures(ifany):-Monitoringfrequency:YearlyrecordingQA/QCprocedures:-Anycomment:-Data/Parametertable21.Data/Parameter:RDataunit:TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.042of60Description:OpencyclepowerplantsthatusegaseousfossilfuelsandthatdispatchedelectricitytotheisolatedgridinyearySourceofdata:ProjectactivitysiteMeasurementprocedures(ifany):-Monitoringfrequency:YearlyrecordingQA/QCprocedures:-Anycomment:-Data/Parametertable22.Data/Parameter:RDataunit:Description:TotalnumberofopencyclepowerplantsthatusegaseousfossilfuelsthatdispatchedelectricitytotheisolatedgridinyearySourceofdata:ProjectactivitysiteMeasurementprocedures(ifany):-Monitoringfrequency:YearlyrecordingQA/QCprocedures:-Anycomment:-Data/Parametertable23.Data/Parameter:EGGCC_FF,yDataunit:MWh/yrDescription:QuantityoftotalelectricitysuppliedtotheisolatedgridbythegaseousfossilfuelcombinedcyclepowerplantsinyearySourceofdata:ProjectactivitysiteMeasurementprocedures(ifany):-Monitoringfrequency:YearlyrecordingQA/QCprocedures:-Anycomment:-Data/Parametertable24.Data/Parameter:EGGCC_FF,s,yDataunit:MWh/yrDescription:QuantityofnetelectricitysuppliedtotheisolatedgridbythegaseousfossilfuelcombinedcyclepowerplantsinyearySourceofdata:ProjectactivitysiteMeasurementprocedures(ifany):-Monitoringfrequency:YearlyrecordingQA/QCprocedures:-TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.043of60Anycomment:-Data/Parametertable25.Data/Parameter:sDataunit:-Description:CombinedcyclepowerplantsthatusegaseousfossilfuelsandthatdispatchedelectricitytotheisolatedgridinyearySourceofdata:ProjectactivitysiteMeasurementprocedures(ifany):-Monitoringfrequency:YearlyrecordingQA/QCprocedures:-Anycomment:-Data/Parametertable26.Data/Parameter:SDataunit:-Description:TotalnumberofcombinedcyclepowerplantsthatusegaseousfossilfuelsthatdispatchedelectricitytotheisolatedgridinyearySourceofdata:ProjectactivitysiteMeasurementprocedures(ifany):-Monitoringfrequency:YearlyrecordingQA/QCprocedures:-Anycomment:-Data/Parametertable27.Data/Parameter:EGRE,yDataunit:MWh/yrDescription:QuantityoftotalelectricitysuppliedtotheisolatedgridbytherenewableenergypowerplantsinyearySourceofdata:ProjectactivitysiteMeasurementprocedures(ifany):-Monitoringfrequency:YearlyrecordingQA/QCprocedures:-Anycomment:-Data/Parametertable28.Data/Parameter:EGRE,v,yDataunit:MWh/yrTOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.044of60Description:QuantityofnetelectricitysuppliedtotheisolatedgridbytherenewableenergypowerplantvinyearySourceofdata:ProjectactivitysiteMeasurementprocedures(ifany):-Monitoringfrequency:YearlyrecordingQA/QCprocedures:-Anycomment:-Data/Parametertable29.Data/Parameter:vDataunit:-Description:RenewableenergypowerplantsthatdispatchedelectricitytotheisolatedgridinyearySourceofdata:ProjectactivitysiteMeasurementprocedures(ifany):-Monitoringfrequency:YearlyrecordingQA/QCprocedures:-Anycomment:-Data/Parametertable30.Data/Parameter:VDataunit:-Description:TotalnumberofrenewableenergypowerplantsthatdispatchedelectricitytotheisolatedgridinyearySourceofdata:ProjectactivitysiteMeasurementprocedures(ifany):-Monitoringfrequency:YearlyrecordingQA/QCprocedures:-Anycomment:-TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.045of60Appendix1.Proceduresrelatedtooff-gridpowergeneration1.Theproceduresinthisannexserveto:(a)identifythoseoff-gridpowerplantsthatareeligibleforinclusioninthegridemissionfactorandto(b)collectthenecessarydatatoincludetheminthecalculationsoftheoperatingandbuildmarginemissionfactorsofthistool.1.Step1:Obtaindataonoff-gridpowergeneration2.Dataonoff-gridpowergenerationisusuallynotreadilyavailableandhastobecollectedinordertoincludeoff-gridpowergenerationinthegridemissionfactor.Thecollectionofdataonoff-gridpowergenerationhastwopurposes:dataisrequiredtodeterminewhetheranidentifiedpowerplantqualifiesas“off-gridpowerplant”,asdefinedinthedefinitionssection;anddataisrequiredtocalculatetheemissionsandelectricitygenerationfromoff-gridpowerplants.3.Forthispurpose,projectproponentscanconducttheirownsurvey,oruseexistingdata(ifsuchdataprovidesthenecessaryinformationasoutlinedfurtherbelowandiftheexistingdatahasthevintageasrequiredperthistool).4.Thecollecteddatacanbeusedinthefollowingtwooptions:(a)Directuseofdataonaplant-by-plantbasis:includeintheemissionfactoronlythoseoff-gridpowerplantsforwhichthenecessarydataisavailableoriscollected.Ensurethattheplantsselectedforinclusioninthegridemissionfactorarereasonablyrepresentativefortheoveralloff-gridpowergenerationintheelectricitysystem;1(b)Statisticalevaluationofthedatabasedonsampling:collectthenecessarydataforarepresentativeandappropriatelystratifiedsampleofoff-gridpowerplantsandinferthedatatotheentireelectricitysystem.5.DocumentintheCDM-PDDwhichapproachisfollowed.1.1.Step1.1:Choosethedatatobecollected6.Documentwhichdataiscollectedforeach(sampled)off-gridpowerplant.Table1providestheminimumdatathatmustbecollectedforeach(sampled)off-gridpowerplantp.1Forexample,informationonoff-gridpowergenerationcouldonlybeavailableforsomesectorsoftheeconomy.Inthiscase,onlytheplantsfromthesesectorsmaybeincludedinthegridemissionfactor.However,inincludingselectedplants,nosystematicbiasshouldbeintroduced(e.g.byincludingonlycoalfiredplants).TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.046of60Table1.Minimumdata/informationtobecollectedoneachoff-gridpowerplantpDataDescriptionCAPp:Nominalelectriccapacityoftheoff-gridpowerplantp(MW)TECHp:Thetypeoftechnologyoftheoff-gridpowerplantp.Thisshouldinclude,interalia,thefollowingtypesoftechnologies:(a)Reciprocatingengines;(b)Steamturbine;(c)Gasturbine;(d)Combinedcyclepowergeneration;(e)Hydro,solarwindorgeothermalpowergenerationFUELp:Thefueltype(s)usedintheoff-gridpowerplantp.Thisshouldincludeatleastthefollowingfueltypes:(a)Diesel;(b)Gasoline;(c)Kerosene;(d)Naturalgas;(e)Coal;(f)Biomass/biofuels;(g)AnyrelevantblendsorotherfuelsGRIDpAretheconsumerssuppliedbytheoff-gridpowerplantalsoconnectedtoanelectricitygridwhichiscapableofsupplyingtheirpowerdemandentirelyduringtimeintervalswheregridelectricityisavailable,reliableandstable?(True/false)SWITCHpCantheconsumerssuppliedbytheoff-gridpowerplanteasilyswitchbetweenelectricitysupplyfromthegridandoff-gridpowerplants?Thisapplies,forexample,iftheconsumershaveamanualorautomaticchange-over-switchsysteminplace.(True/false)7.Inaddition,otherdatamaybecollected,dependingonhowtherequirementsofthisannexforinclusionofanoff-gridpowerplantpinthegridemissionfactorareassessedandonwhichoptionsareusedinStep3ofthetooltocalculatetheemissionfactorforaclassofoff-gridpowerplantsm(OptionA1,A2orA3)andtheelectricitygenerationbyaclassofoff-gridpowerplantsm(Option1,2or3).Thismayincludethefollowingdata:Table2.Additionaldatathatmaybecollectedonoff-gridpowergenerationDataDescriptionExplanationDATEstart,pYearoffirstcommissioningoftheoff-gridpowerplantp(year)Thisdataisrequiredforinclusionofoff-gridpowerintheBMemissionfactorEGp,yElectricitygenerationofoff-gridpowerplantpinyeary(MWh)ThisdataisrequiredifOption1isusedtodetermineEGm,yinStep4ofthetoolFCp,i,y:Amountoffueltypeiconsumedbyoff-gridpowerplantpinyeary(massorenergyunit)ThisdataisrequiredifOptionA1inStep4ofthistoolisappliedofifOption2isusedtodetermineEGm,yinStep4ofthetoolTOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.047of60DataDescriptionExplanationNCVp,i,y:Netcalorificvalueoffueltypeiconsumedbyoff-gridpowerplantpinyeary(GJ/massorenergyunit)ThisdataisrequiredifOptionA1orOption2inStep4ofthistoolisappliedandiftheIPCCdefaultvaluesarenotusedOMCp,y:Variableoperationandmaintenancecostsofoff-gridpowerplantpinyeary(currency/MWh)ThisisdataisrequiredifinStep2thethirdconditionisdemonstratedbyusingOption(a)TEL,p,y:Tariffofpurchasinggridelectricityforconsumerssuppliedbyoff-gridpowerplantpinyearyThisisdataisrequiredifinStep2thethirdconditionisdemonstratedbyusingOption(a)8.Notethatthesamedatacollectionapproachshouldbeappliedtoalloff-gridplantsinonesector(e.g.industrial,commercialandresidentialsector).1.2.Step1.2:Definetheclassificationofoff-gridpowerplants9.Tofacilitatedatacollectionandcalculations,off-gridpowerplantsshouldbeclassifiedindifferentclassesofoff-gridpowerplants.Alloff-gridpowerplantsincludedinoneclassareconsideredasonesinglepowerunitforthecalculationsinthistool.10.Off-gridpowerplantsshouldbeclassifiedaccordingtotheircapacity(CAPp),fueltype(FUELp)andtypeoftechnology(TECHp).Ifoff-gridpowerplantsarealsoincludedinthebuildmargin,theirvintageneedstobedeterminedbasedonthestartdateofoperation(DATEstart,p).Inthiscase,theclasseshavetobedifferentiatedintothreedatavintages:plantswithuptofiveyearsofoperation,plantswithupto10yearsofoperationandplantswithmorethan10yearsofoperation.11.Ifdefaultefficiencies,asprovidedinTable2,AppendixofTOOL09:”Determiningthebaselineefficiencyofthermalorelectricenergygenerationsystems"2ofthistool,areusedtodeterminetheemissionfactorforapowerplant(seeOptionA2inStep4ofthistool),thepowerplantclassificationprovidedinTable2,AppendixofTOOL09:”Determiningthebaselineefficiencyofthermalorelectricenergygenerationsystems"3shouldbeused.IftheOptionsA1and/orA3inStep4ofthistoolareappliedtodeterminetheemissionfactorsforoff-gridpowerplantclasses,projectparticipantsmayalsousetheirownclassification.1.3.Step1.3:Definethesectorsforwhichdataiscollected12.Defineforwhichsectors(e.g.households,commercialsector)orindustriesdataonoff-gridelectricitygenerationiscollectedorwhetherdataiscollectedforthewholeeconomy.Theprojectparticipantsmaydeliberatelychoosethesectorsforwhichdataiscollected;however,thesectorsshouldbeclearlyandunambiguouslydefined(e.g.whichsizeofcompaniesorhouseholds,thegeographicalareacovered,etc.)andtheselectionshouldincludeanysystematicbias(e.g.byincludingonlyasub-sectorwhichusesonlycoalasfuelwhilelesscarbonintensivefuelsareusedinothersub-sectors).2<http://cdm.unfccc.int/methodologies/PAmethodologies/tools/am-tool-09-v2.0.pdf/history_view>.3<http://cdm.unfccc.int/methodologies/PAmethodologies/tools/am-tool-09-v2.0.pdf/history_view>.TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.048of601.4.Step1.4:Establishthesurveydesignandmanagementscheme(applicableifasurveyisused)13.Documenttransparentlythedesignandmethodologyofthesurvey,followingbestpracticesinsurveydesignandstatistics.Indoingso,thefollowingguidanceshallbeapplied:(a)Theinstitutionconductingthesurveyshouldhaverelevantexperiencewithundertakingsurveys;(b)Ensureaproperstratificationwithinthegeographicalareaoftheelectricitysystemandwithinthedifferentusersofoff-gridpowergeneration(e.g.consideringrelevantdifferencesbetweensectors,householdincome,etc.).Tothisend,itmaybenecessarytoconductapre-surveytocollectinformationwhichsectors,companiesorhouseholdstypicallyuseoff-gridpowerplants;(c)Theresultsofthesurveyshouldbeusedtoderiveglobalestimatesadjustedfortheiruncertaintyata95percentconfidencelevelinaconservativemanner(usingtheupperorloweruncertaintyboundwhateverisconservative);(d)Themethodsusedtocollectdatashouldstrivetoavoidanybiasandshouldensurerandomsamplinginthevariousstrata;(e)Provideobjectiveandtransparentmethodsfordatacollection;(f)Ensurethatappropriateproceduresfordataverificationareinplace,includingrelevantqualityassuranceandqualitycontrolmethods.14.TheDOEshouldcarefullyevaluateandconfirmthatthesurveywasconductedinaccordancewiththeseprinciplesandbestpracticesforconductingandevaluatingsurveys.1.5.Step1.5:Collectthedataoruseexistingdatasources15.Collectthedataoruserelevantexistingdatasources.Excludeallplantsforthesampleforwhichnotallnecessarydata(asidentifiedinStep1.1ofthisappendix)couldbecollected.2.Step2:Excludeplantsthatdonotqualifyasoff-gridpowerplants16.Thisstepaimstoexcludethosepowerplantsfromthesampleorotherdatasourcewhichcannotbeconsideredasoff-gridpowerplantsaccordingtothedefinitionprovidedabove.Tothisend,excludethoseplantsfromthesampleorothersourceofinformationforwhichoneofthethreefollowingconditionsisnotmet:(a)GRIDp=true;(b)SWITCHp=true;(c)Wheneverthegridisreliableandstable,theconsumerspurchaseelectricityonlyfromthegridandtheoff-gridpowerplantisnotoperating.Thiscanbedemonstratedinoneofthefollowingways:(i)OMCp,y>TEL,p,y;orTOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.049of60(ii)Logbookdataonthehoursofoperationoftheoff-gridpowerplantpandthequalityandavailabilityofgridsupplyclearlyshowsthattheplantonlyoperatedwhenthegridwasnotreliableandstable;or(iii)DemonstratethatOMC>TELonceforalloff-gridpowerplantsincludedinaclassofoff-gridpowerplantsandasectorbyshowingthatthisconditiongenerallyappliestoallplantsintheclassandsector,thatisusingthefuelcosts(e.g.officialstatisticsorprojectionsonfuelprices),theefficiencyoftheplantsinthatclass(e.g.usingtypicalthedefaultefficienciesprovidedinTable2,AppendixofTOOL09:”Determiningthebaselineefficiencyofthermalorelectricenergygenerationsystems"4)andrelevantinformationonelectricitypurchasecostsinthesector(e.g.statisticsonelectricityprices).3.Step3:Aggregatedataaccordingtoclassesofoff-gridpowerplants17.Inthecaseofdirectuseofthedataonaplant-by-plantbasis(OptionAintheintroductiontoStep1),allocatethecollecteddatatotheclassesofoff-gridpowerplants.18.Inthecaseofastatisticalevaluationofthedatabasedonsampling(OptionbintheintroductiontoStep1),allocatethecollecteddatatotheapplicablestratum.Usetheresultsofthesurveytoderiveglobalestimatesforthetotalpopulation,foreachclassofoff-gridpowerplantsm,adjustingconservativelyfortheuncertaintyata95percentconfidencelevel.54.Step4:Assesstheextentofoff-gridpower19.Theeffectsoffeedingadditionalelectricitytothegridorsavingelectricitydemandonoff-gridpowerplantsconnectedtothesystemareassociatedwithsignificantuncertainty.Forthisreason,asignificantamountofoff-gridpowershouldexisttoincludetheseplantsinthegridemissionfactor.20.Theinclusionofoff-gridpowerplantsinthegridemissionfactorisonlyallowedifoneofthefollowingtwoconditionsaremet:(a)Thetotalcapacityofoff-gridpowerplants(inMW)isatleast10percentofthetotalcapacityofgridpowerplantsintheelectricitysystem;or(b)Thetotalelectricitygenerationbyoff-gridpowerplants(inMWh)isatleast10percentofthetotalelectricitygenerationbygridpowerplantsintheelectricitysystem.21.Ifnoneoftheseconditionsaremet,thenoff-gridpowerplantscannotbeincludedinthecalculationofthegridemissionfactoroftheelectricitysystem.Otherwise,proceedtonextthestep.4<http://cdm.unfccc.int/methodologies/PAmethodologies/tools/am-tool-09-v2.0.pdf/history_view>.5Notethatthisshouldnotincludepowerplantswhichdidnotqualifyasoff-gridfollowingtheproceduresinStep2.TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.050of605.Step5:Assessthereliabilityandstabilityofthegridandthatthisisprimarilyduetoconstraintsingeneration,andnottootheraspectssuchastransmissioncapacity22.Ithastobedemonstratedthatthegridtowhichprojectparticipantshaveaccessisnotreliableandnotstableandthatthisisprimarilyduetoconstraintsingenerationandnotduetootherissues,suchaslimitedtransmissioncapacity.Tothisend,itneedstobedemonstratedthat:(a)Shortages,blinks,black-outs,loadsheddingand/orlargevariationsinfrequencyandvoltagerangesarecommonpracticeinthegridoperation.Supportingevidencedescribingthenumber,durationandextentofeventsrelatedtoinstabilityandunreliabilityofthegridhastobeprovidedbasedonprojectparticipantsorthirdpartiesstatisticsorsurveys;and(b)Thissituationisprimarilyduetoconstraintsingeneration,andnottootheraspectssuchastransmissioncapacity.TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.051of60Appendix2.DefaultlambdavaluesTable1.Defaultlambda(y)valuesfortherangeofLCMRsharesShareofLCMRLambda99.87percentto100.00percent199.50percentto99.87percent0.9598.87percentto99.50percent0.997.98percentto98.87percent0.8596.85percentto97.98percent0.895.47percentto96.85percent0.7593.83percentto95.47percent0.791.94percentto93.83percent0.6589.80percentto91.94percent0.687.41percentto89.80percent0.5584.76percentto87.41percent0.581.86percentto84.76percent0.4578.72percentto81.86percent0.475.32percentto78.72percent0.3571.66percentto75.32percent0.367.76percentto71.66percent0.2563.60percentto67.76percent0.259.20percentto63.60percent0.1554.54percentto59.20percent0.150percentto54.54percent0.050percentto50percent0TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.052of60Appendix3.Stepwiseproceduretodeterminethelambdaofayear(y)1.Step(i)-Plotaloaddurationcurve.Collectloaddata(typicallyinMW)foreachhouroftheyeary,andsortandplottheloaddatafromthehighesttothelowestannualsystemload(seealsothefigurebelow).Figure1.Step(i)Stepi:DrawloaddurationcurveMWHours08760MaxhourlyloadMinHourlyload1sthour8760thhour2.Step(ii)-Collecttheelectricitygenerationdatafromeachlow-cost/must-runpowerplant/unit.Calculatethetotalannualgeneration(inMWh)fromlow-cost/must-runpowerplants/units(i.e.kEGk,y).3.Step(iii)–FindouttheintersectionontheloaddurationcurveinordertodetermineaperiodLCMRsourcesareonthemargin.Tofindtheintersection,filltheareaundertheloaddurationcurvebythetotalgeneration(inMWh)fromLCMRpowerplants/units.Tofillthearea,plotahorizontallineacrosstheloaddurationcurvesuchthattheareaunderhorizontallineandthecurverightfromtheintersectionpoint(MWtimeshours)equalsthetotalgeneration(inMWh)fromlow-cost/must-runpowerplants/units(i.e.kEGk,y);Thefollowingsubstepscanbeusedtofindtheintersectionpoint:(a)Astheloadchangeseveryhourfromhighestloadtolowestloadinayear;theintersectioncanbedefinedbyaddingincrementalareasinMWtimeshourineveryhourovertheareacorrespondingtolowestannualsystemloadi.e.thefirstarea.Forthefirstareafromthesortedloaddata,takethelowestMWlevelandmultiplyitbyhoursinayear(e.g.8760)(seefigurebelow);TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.053of60𝐸𝐺𝑍=𝐸𝐿𝑍×𝑍Equation(1)Where:𝐸𝐺𝑍=Theassumedelectricitygenerationsuppliedtothegridatthelowestannualsystemloadovertheyear(MWh)𝐸𝐿𝑍=Thelowestannualsystemload(MW)Z=Numberofhoursinyear(h)Figure2.Step(iii)(a)MWHours08760MaxhourlyloadMinHourlyloadEGz8760thhourloadmultipliedby8670h(b)Forthefollowingareasfromthesortedloaddatatakethelevelnexttotheonefromthepreviousstep,subtracttheloadfromthepreviouslevelandmultiplytheresultbynumberofhoursthatcorrespondstothislevel(seealsothefigurebelow):𝐸𝐺𝑍−𝐿=(𝐸𝐿𝑍−𝐿−𝐸𝐿𝑍)×(𝑍−𝐿)Equation(2)Where:EGZ-L=TheassumedelectricitygenerationsuppliedtothegridattheloadZ-L(MWh)ELZ-L=LoadofthegridatthelevelofZ-Lload(MW)EGZ=Theassumedelectricitygenerationsuppliedtothegridattheatthelowestannualsystemloadovertheyear(MWh)ELZ=Thelowestannualsystemload(MW)TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.054of60Z=Numberofhoursinyeary(h);L=Rankoftherecordedloadinthesortedlistofloadsstartingfromthelowest.ForthefirststepL=0.Figure3.Step(iii)(b)MWHours08760MaxhourlyloadMinHourlyloadEGz8760thhourloadmultipliedby8670hEGz-l8759thhourloadminus8760thhourloadandmultipliedby8759h(c)Calculatethecumulativeelectricitygeneration:𝐸𝐺𝑐𝑢𝑚𝑢𝑙=∑𝐸𝐺𝑍−𝐿𝑍𝐿+1+𝐸𝐺𝑍,𝐿Equation(3)(d)Checkthecumulativeelectricitygenerationagainstthetotalgeneration(inMWh)fromlow-cost/must-runpowerplants/units(i.e.kEGk,y)tillEGcumul≥kEGk,y(Seealsothefigurebelow).TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.055of60Figure4.Stepiii(d)MWHours08760MaxhourlyloadMinHourlyloadEGcumul=EGz+EGz-lIFEGcumul≥EGk,ytheintersectionpointisathour87594.Step(iv)-Determinethe“Numberofhoursforwhichlow-cost/must-runsourcesareonthemargininyeary.Atthestepwherecumulativeelectricitygenerationreachesthelevelofthetotalgeneration(inMWh)fromlow-cost/must-runpowerplants/units,i.e.EGcumul≥kEGk,ydeterminethevalueofZ-L.Thisisthenumberofhoursforwhichlow-cost/must-runsourcesareonthemargininyeary(seealsothefigurebelow).Figure5.Step(iv)Stepi:DrawloaddurationcurveStepiii:FillCurvewithLow-Cost/Must-RunGeneration(MWh)XhoursIntersectionpointArea=ΣkEGk,yStepiv:Determinethenumberofhoursforwhichlow-cost/must-runsourcesareonthemargin(X)MWHours08760MaxhourlyloadMinHourlyloadTOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.056of60Appendix4.Equationforcalculatingweightedaverageemissionfactorforanisolatedgrid1.Weightedaverageemissionfactor(tCO2/MWh)basedonaverageelectricityproduction(themostrecentoneyeardata)fromeachtypeofplantcanbecalculatedasthebelow:Equation(1)𝐸𝐹𝐶𝑀,𝑦=yREyFFGCCyFFGyFFLCCyFFLSyFFGCCFFGCCyFFGFFGyFFLCCFFLCCyFFLSFFLSEGEGEGEGEGEGEFEGEFEGEFEGEF,,_,_,_,_,__,__,_,_,__andNnynFFLSyFFLSEGEG1,,_,_Equation(2)QqyqFFLCCyFFLCCEGEG1,,_,_Equation(3)RryrFFGyFFGEGEG1,,_,_Equation(4)SsysFFGCCyFFGCCEGEG1,,_,_Equation(5)VvyvREyREEGEG1,,,Equation(6)Where:EFCM,y=Simplifiedcombinedmarginemissionfactoroftheisolatedgrid(tCO2/MWh)TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.057of60EFLSFF=Emissionfactorofliquidorsolidfossilfuelpowerplantssupplyingelectricitytotheisolatedgrid(tCO2/MWh)=takedefaultvaluefromcase1paragraph95(b)EGLS_FF,y=Totalelectricitysuppliedtotheisolatedgridbythepowerplantsthatusesliquidorsolidfossilfuels(butexcludingcombinedcyclepowerplants)inyeary(MWh/yr)EFLCC_FF=Emissionfactorofcombinedcycleliquidfossilfuelpowerplantssupplyingelectricitytotheisolatedgrid(tCO2/MWh)=0.42Incasewherecombinedcyclepowerplantusesliquidfossilfuelandgaseousfossilfuelforpowerplantsforsupplyingelectricitytotheisolatedgrid,emissionfactor(tCO2/MWh)=0.32forgaseousfuelshallbeused.EGLCC_FF,y=Totalelectricitysuppliedtotheisolatedgridbythecombinedcyclepowerplantsthatuseliquidfossilfuelsinyeary(MWh/yr)EFG_FF=Emissionfactorofopencyclegaseousfossilfuelpowerplantssupplyingelectricitytotheisolatedgrid(tCO2/MWh)=0.47EGG_FF,y=Totalelectricitysuppliedtotheisolatedgridbythegaseousfossilfuelopencyclepowerplantsinyeary(MWh/yr)EFGCC_FF=Emissionfactorofcombinedcyclegaseousfossilfuelpowerplantssupplyingelectricitytotheisolatedgrid(tCO2/MWh)=0.32EGGCC_FF,y=Totalelectricitysuppliedtotheisolatedgridbythegaseousfossilfuelcombinedcyclepowerplantsinyeary(MWh/yr)EGRE,y=Totalelectricitysuppliedtotheisolatedgridbytherenewableenergypowerplantsinyeary(MWh/yr)EGLS_FF,n,y=Quantityofnetelectricitysuppliedtotheisolatedgridbythepowerplantnthatusesliquidorsolidfossilfuel(butexcludingcombinedcyclepowerplants)inyeary(MWh/yr)EGLCC_FF,q,y=Quantityofnetelectricitysuppliedtotheisolatedgridbythecombinedcyclepowerplantqthatuseliquidfossilfuelinyeary(MWh/yr)EGG_FF,r,y=Quantityofnetelectricitysuppliedtotheisolatedgridbythegaseousfossilfuelopencyclepowerplantrinyeary(MWh/yr)EGGCC_FF,s,y=Quantityofnetelectricitysuppliedtotheisolatedgridbythegaseousfossilfuelcombinedcyclepowerplantsinyeary(MWh/yr)EGRE,v,y=Quantityofnetelectricitysuppliedbytherenewableenergypowerplantvtotheisolatedgridinyeary(MWh/yr)n=Powerplantsthatuseliquidorsolidfossilfuels,excludingcombinedcyclepowerplants,andthatdispatchedelectricitytotheisolatedgridinyearyq=CombinedcyclepowerplantsthatuseliquidfossilfuelsandthatdispatchedelectricitytotheisolatedgridinyearyTOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.058of60r=Opencyclepowerplantsthatusegaseousfossilfuelsandthatdispatchedelectricitytotheisolatedgridinyearys=Combinedcyclepowerplantsthatusegaseousfossilfuelsandthatdispatchedelectricitytotheisolatedgridinyearyv=RenewableenergypowerplantsthatdispatchedelectricitytotheisolatedgridinyearyN=Totalnumberofpowerplantsthatuseonlyliquidorsolidfossilfuels,excludingcombinedcyclepowerplants,andthatdispatchedelectricitytotheisolatedgridinyearyQ=TotalnumberofcombinedcyclepowerplantsthatuseliquidfossilfuelsthatdispatchedelectricitytotheisolatedgridinyearyR=TotalnumberofopencyclepowerplantsthatusegaseousfossilfuelsthatdispatchedelectricitytotheisolatedgridinyearyS=TotalnumberofcombinedcyclepowerplantsthatusegaseousfossilfuelsthatdispatchedelectricitytotheisolatedgridinyearyV=Totalnumberofrenewableenergypowerplantsthatdispatchedelectricitytotheisolatedgridinyeary-----DocumentinformationVersionDateDescription07.031August2018EB100,Annex4Revisiontoincludemonitoringrequirementsforparametersusedtodeterminetheemissionfactoroftheisolatedgrid.06.01November2017EB97,Annex7Revisionto:•IncludesimplifiedapproachesonsmallisolatedgridsinSIDSandLDC;•Enhancetheclarityoftherequirementsrelatedtodeterminetransmissionconstraints.05.027November2015EB87,Annex9.Revisionto:•ProvidetheoptionofthesimplifiedcombinedmarginemissionfactortothecountriesotherthanLDCs/SIDS/URCs;•ProvidedefaultvaluesoflambdaundertheSimpleAdjustedOMoption;•ProvidetheadditionalapplicabilitycriterionfortheSimpleOMoption;•Provideflowchartstoillustrateapplicationofdifferentoptionsunderthetool.TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.059of60VersionDateDescription04.04October2013EB75,Annex15.Revisionto:•Providerequirementsforapplyingthistoolforaprogrammeofactivities(PoA).03.0.023November2012EB70,Annex22.Revisionto:•ProvidedefaultfactorsforLDCs,SIDSandcountrieswherelessthantenCDMprojectshavebeenregistered,whencalculatingtheemissionfactorfromoff-gridelectricitygeneration;•Providedefinitionsfor“low-cost/must-run”and“loadsheddingprogram”;•Incorporatetherevisedcriteriaforthedemonstrationoftransmissionconstraints;•Clarifyhowtoconsiderbiofuels;•Othereditorialimprovements.02.2.129September2011EB63,Annex19.Editorialamendmentto:•Fixuniterrorsinequations(4)and(6);•Provideclaritythroughoutthetext.02.2.03June2011EB61,Annex12.Amendmentto:•ProvideflexibilityforLDCsandcountrieswherelessthantenCDMprojectshavebeenregistered,whencalculatingthegridemissionfactor;and•Extendtheprocedurefortheidentificationofsamplegroupsofpowerunitsrelevanttobuildmargincalculation.02.1.015April2011EB60,Annex8.Thetoolwasamendedtoallowtheuseofanoperatingmarginemissionfactordifferentformzeroincaseofconnectedelectricitysystemslocatedincountriesotherthantheprojecthostcountry.0216October2009EB50,Annex14.•Inclusionofprovisionstoallowfortheinclusionofoff-gridpowerplantsinthecalculationoftheelectricitysystememissionfactor;and•DeletionofthepreviousOptionAintheoperatingmarginemissionfactorcalculation,asthisoptioniscoveredbythepreviousOptionB1(A1afterrevision)TOOL07Methodologicaltool:TooltocalculatetheemissionfactorforanelectricitysystemVersion07.060of60VersionDateDescription01.129July2008Editorialrevisionto:•Incorporatethe“Tooltocalculatebaseline,projectand/orleakageemissionsfromelectricityconsumption”;and•Provideadditionalclarificationonthecompositionofasamplegroupforthecalculationofthebuildmargin.0119October2007EB35,Annex12.Initialadoption.DecisionClass:RegulatoryDocumentType:ToolBusinessFunction:MethodologyKeywords:combinedmarginapproach,electricitygeneration,electricpowertransmission2.