ICS27.160

P61

RecordNumber:J2570-2018

ENERGYSECTORSTANDARD

OFTHEPEOPLE’SREPUBLICOFCHINA

中華人民共和國能源行業(yè)標(biāo)準(zhǔn)

PNB/T32043-2018

SpecificationforPreparationofFeasibilityStudyReport

forPhotovoltaicPowerProjects

光伏發(fā)電工程可行性研究報告編制規(guī)程

IssuedonJune6,2018ImplementedonOctober1,2018

IssuedbyNationalEnergyAdministrationofthePeople’sRepublicofChina

I

Introduction

ThisEnglishversionisoneofChina’senergysectorstandardseriesinEnglish.Itstranslation

wasorganizedbyChinaRenewableEnergyEngineeringInstituteauthorizedbyNational

EnergyAdministrationofthePeople’sRepublicofChinaincompliancewithrelevant

proceduresandstipulations.ThisEnglishversionwasissuedbyNationalEnergy

AdministrationofthePeople’sRepublicofChinainAnnouncement[202x]No.xxdatedxxxx,

202x.

ThisversionwastranslatedfromtheChineseStandardNB/T32043-2018,Specificationfor

PreparationofFeasibilityStudyReportforPhotovoltaicPowerProjects,publishedbyChina

Water&PowerPress.ThecopyrightisreservedbyNationalEnergyAdministrationofthe

People’sRepublicofChina.Intheeventofanydiscrepancyintheimplementation,the

Chineseversionshallprevail.

Manythanksgotothestafffromtherelevantstandarddevelopmentorganizationsandthose

whohaveprovidedgenerousassistanceinthetranslationandreviewprocess.

ForfurtherimprovementoftheEnglishversion,allcommentsandsuggestionsarewelcome

andshouldbeaddressedto:

ChinaRenewableEnergyEngineeringInstitute

No.2Beixiaojie,Liupukang,XichengDistrict,Beijing100120,China

Website:

Translatingorganizations:

ChinaRenewableEnergyEngineeringInstitute

POWERCHINANorthwestEngineeringCorporationLimited

Translatingstaff:

Reviewpanelmembers:

NationalEnergyAdministrationofthePeople’sRepublicofChina

III

翻譯出版說明

本譯本為國家能源局委托水電水利規(guī)劃設(shè)計總院按照有關(guān)程序和規(guī)定，統(tǒng)一組織翻

譯的能源行業(yè)標(biāo)準(zhǔn)英文版系列譯本之一。202x年xx月xx日，國家能源局以202x年第

x號公告予以公布。

本譯本是根據(jù)中國水利水電出版社出版的《光伏發(fā)電工程可行性研究報告編制規(guī)

程》NB/T32043—2018翻譯的，著作權(quán)歸國家能源局所有。在使用過程中，如出現(xiàn)異議，

以中文版為準(zhǔn)。

本譯本在翻譯和審核過程中，本標(biāo)準(zhǔn)編制單位及編制組有關(guān)成員給予了積極協(xié)助。

為不斷提高本譯本的質(zhì)量，歡迎使用者提出意見和建議，并反饋給水電水利規(guī)劃設(shè)

計總院。

地址：北京市西城區(qū)六鋪炕北小街2號

郵編：100120

網(wǎng)址：

本譯本翻譯單位：水電水利規(guī)劃設(shè)計總院

中國電建集團(tuán)西北勘測設(shè)計研究院有限公司

本譯本翻譯人員：

本譯本審核人員：

國家能源局

IV

AnnouncementofNationalEnergyAdministration

ofthePeople’sRepublicofChina

[2018]No.8

AccordingtotherequirementsofDocumentGNJKJ[2009]No.52,“NoticeonReleasingthe

EnergySectorStandardizationAdministrationRegulations(tentative)anddetailed

implementationrulesissuedbyNationalEnergyAdministrationofthePeople’sRepublicof

China”,87sectorstandardssuchasWellboreQualityControlRequirementsforCoalbed

MethaneDirectionalWell,including47energystandards(NB)and40electricpower

standards(DL),areissuedbyNationalEnergyAdministrationofthePeople’sRepublicof

Chinaafterduereviewandapproval.

Attachment:DirectoryofSectorStandards

NationalEnergyAdministrationofthePeople’sRepublicofChina

June6,2018

Attachment:

DirectoryofSectorStandards

ReplacedAdopted

SerialStandardImplementation

TitlestandardinternationalApprovaldate

numberNo.date

No.standardNo.

...

Specificationfor

PreparationofFeasibility

NB/T

14StudyReportfor2018-06-062018-10-01

32043-2018

PhotovoltaicPower

Projects

...

V

Foreword

AccordingtotherequirementsofDocumentGNKJ[2013]No.235issuedbyNationalEnergy

AdministrationofthePeople’sRepublicofChina,“NoticeonReleasingtheDevelopmentand

RevisionPlanoftheFirstBatchofEnergySectorStandardsin2013”,andafterextensive

investigationandresearch,summarizationofpracticalexperience,andwidesolicitationof

opinions,thedraftinggrouphaspreparedthisspecification.

Themaintechnicalcontentsofthisspecificationinclude:basicdata,executivesummary,solar

energyresources,constructioncondition,projectpurposeandscale,photovoltaicpower

generationsystems,electricalsystems,generallayout,civilworks,fireprotection,construction

planning,environmentalprotectionandsoilandwaterconservation,occupationalhealthand

safety,energysavingandconsumptionreducing,designcostestimation,financialevaluation

andsocialeffectanalysis,andprojecttendering.

NationalEnergyAdministrationofthePeople’sRepublicofChinaisinchargeofthe

administrationofthisspecification.ChinaRenewableEnergyEngineeringInstitutehas

proposedthisspecificationandisresponsibleforitsroutinemanagementandinterpretationof

thespecifictechnicalcontents.Commentsandsuggestionsintheimplementationofthis

specificationshouldbeaddressedto:

ChinaRenewableEnergyEngineeringInstitute

No.2Beixiaojie,Liupukang,XichengDistrict,Beijing100120,China

Chiefdevelopmentorganizations:

ChinaRenewableEnergyEngineeringInstitute

POWERCHINANorthwestEngineeringCorporationLimited

Participatingdevelopmentorganizations:

POWERCHINAChengduEngineeringCorporationLimited

POWERCHINABeijingEngineeringCorporationLimited

HYDROCHINACorporationLimited

Chiefdraftingstaff:

XIAOBinLYUKangYANGMingqunSUNQing

WUChengzhiQINXiaoLIUXiaoruZHANGYan

WULaiqunGUOZhenniZHOUZhiFANXiaomiao

WANGXudongLYUHongweiLYUSongXULushi

SUFangCHENGangYUANLijieSUNLihong

HUANGZhiweiWANGYueWENZiming

Reviewpanelmembers:

WANGJixueQINChushengTIANJingkuiXUELianfang

YUQingguiWANGRunlingWANGJilinHUANGLin

WANGXiaolanANFuchengWANGZhaohuiLYUZhou’an

ZHANGWeiZHANGYunjieLIUXiaoyunQIZhicheng

LIUQigenDENGYuCHENXiaokangXIEHongwen

WEIHuixiaoCHENYuyingLIFaguiZHANGJie

ZHANGXiaoweiHUANGHuiLIShisheng

VI

1GeneralProvisions

1.0.1Thisspecificationisformulatedwithaviewtostandardizingtheprinciples,work

contentanddepth,andtechnicalrequirementsforpreparingfeasibilitystudyreportsfor

photovoltaic(PV)powerprojects.

1.0.2ThisspecificationisapplicabletothepreparationoffeasibilitystudyreportsforPV

powerprojectstobeconstructed,renovated,orextended.

1.0.3Inadditiontothisspecification,thepreparationoffeasibilitystudyreportsforPV

powerprojectsshallalsocomplywiththecurrentrelevantstandardsofChina.

1

2BasicRequirements

2.0.1ThefeasibilitystudyreportforaPVpowerprojectshallbepreparedbasedonthe

planningandotherearlystudyresultsofdistributionandcharacteristicsofsolarenergy

resources.Thereportshallproposemaintechnicalschemes,makeadesigncostestimation,

conductthefinancialevaluationandsocialeffectanalysis,andprovidethebasisfordecisionof

projectinvestment.

2.0.2Thepreparationofthefeasibilitystudyreportshallobservetheprinciplesofsafety,

reliability,technicalfeasibility,practicality,overallplanningandall-roundconsideration,and

cost-effectiveness.Newmaterials,processes,equipmentandtechnologiesshallbeanalyzedfor

theirfeasibilityandbeencouragedtouseintheproject.

2.0.3ThecontentsofafeasibilitystudyreportshouldbeinaccordancewithAppendixAof

thisspecification.

2

3BasicData

3.0.1ForaproposedPVpowerproject,thedevelopmentandconstructionconditionsofthe

projectshallbeinvestigated.

3.0.2Thefollowingbasicdatashallbecollected:

1Studyresultsobtainedintheplanningstageandotherearlystagesoftheproject.

2Statusanddevelopmentplanofenergyresources.

3Statusanddevelopmentplanofutilizationofarablelandandwoodland.

4Statusanddevelopmentplanoftransportation.

5Statusanddevelopmentplanofsocialeconomy.

6Datainrespectofecologicalenvironmentalprotection,soilandwaterconservation,

mineralresources,militaryinstallations,preservationofculturalrelics.

7Statusanddevelopmentplanofelectricpowersystem.

8Relevantlawsandregulations,policies,andcriteria,etc.

9Datafromnearbymeteorologicalreferencestations,including:

1)Basicinformationaboutthereferencestations,includingthegeographical

location,observationfieldelevation,ambientenvironment,surrounding

obstructions,variationandcorrespondingsituationsofthestationsite,solar

radiationobservationinstrument,andambientenvironmentsincethe

establishmentofthestations.

2)Annualaverageairtemperatureforyears,monthlyaverageairtemperaturefor

years,extrememaximumairtemperature,extrememinimumairtemperature,

maximumairtemperatureindaytime,andminimumairtemperatureindaytime

inrecent10consecutiveyearsandamore.

3)Averageprecipitationandevaporationinrecent10consecutiveyearsandmore.

4)Maximumdepthoffrozengroundandsnowthicknessinrecent10consecutive

yearsandmore.

5)Averagewindvelocity,extremewindvelocityforyearsanditsoccurrencetime,

andprevailingwinddirectioninrecent10consecutiveyearsandmore.

6)Disastrousweather,mainlyincludingsandstorm,thunderstorm,rainstorm,

hailstorm,andstrongwind,inrecent10consecutiveyearsandmore.

7)Monthlysolarradiationofeachyearinrecent10consecutiveyearsandmore,and

thesolarradiationdataofatleastonecompleteyearthatismeasuredoverthe

sameperiodwiththeonsiteobservation.

10Sunlightobservationdataoftheprojectsite.

11Thereanalysisdataofsolarradiationintheprojectsiteareashallbecollected.

12Thescaleofthetopographicmapofsiteareashouldbe1:1000or1:2000forflat

areaand1:500formountainousregionandhillyareawithundulatingterrain.

13InthecasethatthePVpowerprojectistobeintegratedwithbuildings/structures,the

drawingsofthebuildings/structuresandthelayoutdrawingsofsurrounding

buildingsshallbecollected.

14Engineeringgeologicalandhydrologicaldataofthesitearea,includingtheregional

geologicaldrawingsandgeologicalinvestigationdataoftheprojectarea.

3

15Pricesofmainequipment,sourcesandpricesofmainconstructionmaterials,etc.

16Factorsinfluencingtheconstructionandoperationoftheproject.

3.0.3Theselectionofthemeteorologicalreferencestationsshallcomplywiththecurrent

nationalstandardGB50797,CodeforDesignofPhotovoltaicPowerStation.

3.0.4Theonsitesolarobservationdatashouldbecollectedforatleastoneyearata

consecutiveseriesofeveryfiveminutes,andtheobservationitemshallincludetotalsolar

radiation,directradiation,diffuseradiation,airtemperature,windvelocity,andwinddirection.

4

4ExecutiveSummary

4.0.1Inthe“ExecutiveSummary”,contentssuchasprojectoverview,solarenergyresources,

constructioncondition,projectpurposeandscale,PVpowergenerationsystems,electrical

systems,generallayout,civilworks,fireprotection,constructionplanning,environmental

protectionandsoilandwaterconservation,occupationalhealthandsafety,energysavingand

consumptionreducing,designcostestimation,financialevaluationandsocialeffectanalysis,

andprojecttenderingshouldbeincluded.

4.0.2Inthe“Overview”,theprojectbackground,geographicallocation,constructionscaleof

currentstageandfinalinstalledcapacity,andmainconclusionsofpreviousstudiesshouldbe

describedbriefly;theinvestigationanddesignprocedureofcurrentphase,relatedsupporting

documentsthathavebeenacquired,andprogressesofresearchesonrelevantissuesshouldbe

stated.

4.0.3Inthe“SolarEnergyResources”,anoverviewofregionalsolarenergyresourcesinthe

projectsitearea,maincharacteristicvaluesandanalysisconclusion,andassessmentofsolar

energyresourcesshouldbebrieflydescribed.

4.0.4Inthe“ConstructionCondition”,thesitecondition,mainconclusionsofengineering

geologicalassessment,geologicalhazardassessments,constructionconditionsofthe

buildings/structuresthatthePVpowerprojectisattachedto,basicmeteorologicalfactors,and

hydrologicalconditionsshouldbebrieflydescribed.

4.0.5Inthe“ProjectPurposeandScale”,theprojectdevelopmentnecessity,purposeand

scale,andanalysisconclusionofpowermarketaccommodationshouldbepresented.

4.0.6Inthe“PhotovoltaicPowerGenerationSystem”,thetypeselectionofmainequipment,

selectionofPVarrayoperationmodes,PVarraydesign,andcalculationresultsofon-grid

energyshallbeprovided.

4.0.7Inthe“ElectricalSystem”,theschemeofconnectingthePVpowerplanttothepower

system,electricalwiringscheme,typeselectionandarrangementofmainelectricalequipment,

controlandprotectionofPVarraysandmainelectricalequipment,anddispatchingand

communicationsschemeoftheprojectshouldbebrieflydescribed.

4.0.8Inthe“GeneralLayout”,thegenerallayoutandthelandareaoftheprojectshallbe

brieflydescribed.

4.0.9Inthe“CivilWorks”,thefunction,scale,structuretype,andnumberofmain

buildings/structuresshouldbebrieflydescribed.

4.0.10Inthe“Fireprotection”,theoverallfireprotectionschemeanditsconclusionshould

bebrieflydescribed.

4.0.11Inthe“ConstructionPlanning”,theconstructionconditions,constructiongeneral

layoutscheme,landuseindex,constructionrequirementsofmainworks,andtotalconstruction

periodshouldbebrieflydescribed.

4.0.12Inthe“EnvironmentalProtectionandSoilandWaterConservation”,themain

purposeandobjectives,countermeasures,andspecialcostshouldbebrieflydescribed.

4.0.13Inthe“OccupationalHealthandSafety”,themainriskandhazardousfactors,

occupationalhealthandsafetyrequirements,designscheme,andspecialcostshouldbebriefly

described.

4.0.14Inthe“EnergySavingandConsumptionReducing”,theenergyconsumptiontype,

quantity,andefficiencyofenergyuseduringtheoperationperiod,andtheproposed

countermeasuresandexpectedeffectshouldbebrieflydescribed.

4.0.15Inthe“DesignCostEstimation”,thepricelevelyearadoptedforthepreparationof

5

designcostestimation,projecttotalcost,staticcost,andcostperkilowattshouldbebriefly

described.

4.0.16Inthe“FinancialEvaluationandSocialEffectAnalysis”,themainstudyresultsand

conclusionsoffinancialandsocialeffectevaluationshouldbebrieflydescribed.

4.0.17Inthe“ProjectTendering”,thetenderingscope,method,andorganizationform

shouldbebrieflydescribed.

4.0.18Theproblemsthatmightexistintheprojectshouldbeanalyzedandcorresponding

suggestionsshouldbemade.

4.0.19ThefeaturesofthePVpowerprojectshouldbetabulatedinaccordancewith

AppendixBofthisspecification.Inaddition,thegeographicallocationoftheprojectsiteshall

besketched.

6

5SolarEnergyResources

5.1OverviewofRegionalSolarEnergyResources

Thesolarenergyresourcesintheprojectareashallbedescribed,andadistributiondiagramof

thesolarenergyresourcesintheprovince,autonomousregion,ormunicipalitywherethe

projectislocatedshallbeproposed.

5.2SolarRadiationData

5.2.1Themeteorologicalreferencestationsselectedfortheprojectandtheobservationdata

ofsolarradiationcollectedbythestationsshallbedescribed.

5.2.2Whenthereisnosolarradiationdataavailablefromthenearbymeteorologicalstations,

thedatacalculatedbyselectedmethodsorthereanalysisdatabasedonverificationshallbe

provided.

5.2.3Thebasicconditionsofthesolarradiationobservationstationsinornearthesitearea

shallbebrieflydescribed,andthebasicinformationofobserveddatashallbeexplained.

5.3AnalysisofSolarEnergyResources

5.3.1Thesolarradiationdatashallbeanalyzedforitsreliability,andbeemployedasthe

representativedatareflectingthelong-termaveragelevelattheprojectareaafterdata

validationandcorrection.

5.3.2Themonthlysolarradiationdataforyearsandmonthlysunshinedataforyearsshallbe

analyzedandcollated,theinter-annualandintra-annualvariationsofsolarradiationand

sunshinehoursshallbesketchedandtabulated,andthevariationcharacteristicsandpatternof

thesolarradiationintheprojectareashallbedescribed.

5.3.3Thedataofhourlysolarradiationonahorizontalplaneintherepresentativeyearshall

beanalyzedandcollatedaccordingtotheclimatology,principlesofmathematicalstatistics,

andthereanalysisdata,andastabilitycalculationshallbeconducted.Thehistogramsof

monthlyglobalsolarradiationandsunshinehoursintherepresentativeyearshallbeworked

outfortheproject.

5.3.4Thesolarradiationdatacollatedinthesitewithanobservationperiodofmorethanone

consecutiveyearshallbevalidatedforitscompletenessandrationality,theirrationaland

absentdatashallbeprocessedaccordingly,andacross-validationshallbecarriedoutbetween

thecorrectedonsiteobservationdataandthemeteorologicalstationdataobservedoverthe

sameperiodorthereanalysisdata.Theintra-annualmonthlyvariationpatternofsolar

radiationandthevariationpatternofsolarradiationinthetypicaldaysofeachmonthshallbe

analyzedbasedonthecorrectedonsiteobservationdata,andtheyear-rounddistribution

patternofthesolarradiationofdifferentradiationlevelsshallbeproposed.Thedistribution

diagramofyear-roundcumulativefrequenciesofthesolarradiationofdifferentradiation

levelsshallbeplotted.

5.3.5ForthePVpowergenerationsystemapplyingfixedmountingstructures,thehourly

globalradiationdataofthetiltedsurfaceswithdesignedtiltanglesshallbeproposed.Forthe

PVpowergenerationsystemapplyingbifacialarrangementofcellmodules,thehourlyglobal

radiationdataofboththefrontsideandbacksideshallbeprovided.ForaconcentratorPV

systemortrackingPVsystem,thehourlydirectnormalradiationdatashallbeanalyzedand

proposed.

5.4AssessmentofSolarEnergyResources

Basedonthedataofrepresentativeyear,thesolarenergyrecoursesinthesiteareashallbe

assessedandconcludedinaccordancewiththecurrentnationalstandardsGB/T31155,

ClassificationofSolarEnergyResources–GlobalRadiation.

7

6ConstructionCondition

6.1SiteCondition

6.1.1Theregionalhydrometeorologicalcondition,constructionscale,powertransmission

conditions,andtransportationconditionsoftheprojectsiteshallberepresented.

6.1.2Accordingtotheprojectpurposeandscale,theprojectsiteshallbedeterminedin

considerationofthelandutilizationandtopographicalconditions,macroscopicdistribution

characteristicsofsolarenergyresources,transportationandconstructionconditionsaswellas

theconstraintssuchasecologicalenvironmentalprotection,soilandwaterconservation,

preservationofculturalrelics,militaryuse,andnaturalresourcesutilizationcontrolinthe

projectarea.

6.1.3Thecoordinatesofinflectionpointsofthesiteshallbedetermined,andthearealmap

oftheprojectsiteshallbeplotted.

6.2EngineeringGeology

6.2.1Theworkbasis,contents,andquantitiesoftheengineeringinvestigationofcurrent

phaseshallbebriefed.

6.2.2Theregionalgeologicalconditionsandregionaltectonicstabilityshallbedescribed,

including:

1Brieflydescribetheregionalgeologicalconditions,neotectonics,andseismicactivity

intheprojectarea,investigatethetopographicandgeomorphologicfeaturesandtypes,

andstratumdistributioninthenear-fieldregion,andthecharacteristicsofgeological

tectonicunits,folds,andfaults.

2Onthebasisofdatacollection,investigationandanalysis,plottheregionaltectonic

outlinemap,makethetectonicunitzoningandseismiczoning,andevaluatethe

regionaltectonicstability.

3Determinethepeakgroundacceleration,withaprobabilityofexceedanceof10%ina

baseperiodof50years,andcorrespondingseismicbasicintensityofthesiteareain

accordancewiththecurrentnationalstandardGB18306,SeismicGroundMotion

ParametersZonationMapofChina.

6.2.3Thebasicengineeringgeologicalconditionsofthesiteareashallbedescribed,

including:

1Describethegenetictypes,distributionscope,scale,trendofdevelopment,andextent

ofharmofadversegeologicalconditionsandgeologicalhazardsinthesitearea

accordingtothegeologicalhazardevaluationresults.

2Introducetheterrainandlandform,stratigraphiclithology,geologicalstructure,

stratigraphicstructure,genesisandage,hydrogeology,andphysical-mechanical

propertiesofvariousrock/soilstratainthesitearea,proposethephysical-mechanical

parametersandcharacteristicvaluesofbearingcapacityforvariousrock/soilstrata,and

prepareastatisticaltableofphysical-mechanicalpropertyindexesfortherock/soil

strata.Inaddition,plotthelayoutplanofexploratorypoints,boreholelogs,logsof

typicaltestpitsandtrenches,andengineeringgeologicallongitudinalandtransverse

profiles.

3Analyzeandproposethebearingstrataforthefoundationsofbuildings/structuresand

thebearingstrataofpiletips,proposethestandardvaluesofultimatelateralbearing

resistanceandultimateendbearingresistanceofdifferenttypesofpiles;proposethe

groundresistivityofrock/soilmass.

4Describethegroundwaterburialconditions,types,waterlevelvariationrangeand

8

pattern,andwaterquality,aswellastherechargeanddischargerelationshipbetween

thegroundwaterandsurfacewater.

5Introducethecorrosionofthegroundwaterandfoundationsoiltoconcreteandsteel

structures.

6Introducethetypesofsitesoilandthesiteclassification.

6.2.4Theengineeringgeologicalevaluationforthesiteareashallincludethefollowing:

1Evaluatethestabilityandsuitabilityoftheregionproposedforconstruction.

2Determinetheengineeringgeologicalzoningforthesitearea,analyzethemajor

engineeringgeologicalproblemsinthesitearea,andputforwardsuggestionson

treatmentmeasures.

3Proposetherecommendedvaluesofstrengthindexesforvariousrock/soilstrataof

foundation,thecharacteristicvaluesoffoundationbearingcapacity,andthe

recommendedvaluesofpilefoundationparameters.

4Evaluatethecorrosionofthegroundwaterandsitesoiltoconcrete,thesteelbarsin

reinforcedconcrete,andsteelstructures.

5Providesuggestionsonthefoundationbearingstrata,footingtypes,andfoundation

treatmentmeasuresforvariousbuildings/structures.

6.2.5Thegeologicalconditionsofthestep-upsubstationsiteorswitchyardsiteshallbe

evaluated.

6.2.6Theconclusionsofengineeringgeologicalconditionevaluationandthesuggestionsfor

thenextphaseofworkshallbeprovided.

6.3Buildings/StructuresthatthePVPowerGenerationSystemisAttachedto

6.3.1Thebasicconditionsofthebuildings/structuresthatthePVpowergenerationsystemis

attachedtoshallbebriefed,mainlyincludingthestructuralpattern,floorarea,buildingheight,

function,servicelife,andusablearea.

6.3.2Thestructuralreliabilityofthebuildings/structuresshallbeverifiedonthebasisof

elaboratedinvestigationandtests,reliabilityanalysisandcalculations,etc.

6.3.3Thestructuralpatternsandinstallationconditionsofthebuildings/structuresshallbe

introducedandtheirstabilityshallbeanalyzedandevaluated.

6.3.4Theconclusionsandthesuggestionsfortheconstructionconditionsofthe

buildings/structuresshallbeprovided.

6.4MeteorologyandHydrology

6.4.1Themainmeteorologicalelementsshallbedescribed,includingtheaverageannualair

temperature,averagemonthlyairtemperature,extrememaximumairtemperature,extreme

minimumairtemperature,extrememaximumairtemperatureindaytime,andextreme

minimumairtemperatureindaytimeinrecent10consecutiveyearsandmore;theaverage

windvelocity,extremewindvelocityanditsoccurrencetime,prevailingwinddirection,

perennialmaximumfrozensoildepthandsnowthickness,andaverageannualprecipitation

andannualevaporationintherecent10consecutiveyearsandmore;theaverageannual

numberofthunderstormdays,hailstorms,sandstorms,strongwind,andotherdisastrous

weathereventsintherecent10consecutiveyearsandmore.

6.4.2Thehydrologicalconditionsofthesiteareashallbeintroduced,includingthedataof

rainstorm,flood,waterlogging,andtide.ForaPVpowerprojectoffloatingtype,thewidth,

depth,stage,volume,flowvelocity,quality,andflowdirectionofthewaterbodyaswellasthe

geologicalconditionsbelowthewatershallbedescribed.

9

7ProjectPurposeandScale

7.0.1Thesocio-economicconditions,includingthecurrentstatusanddevelopmentplanning,

oftheprojectareaandthepoweredareashallbebrieflydescribed.

7.0.2Thedevelopmentnecessityoftheprojectshallbeexpoundedintermsoftheneedsof

nationalenergystrategy,rationalutilizationofregionalenergyresources,promotionof

regionalsocialandeconomicdevelopment,projectconstructionconditions,and

comprehensivebenefits.

7.0.3Accordingtothecurrentstatusanddevelopmentplanningoftheelectricalpower

systemandtheenergysupplycon