《光伏发电工程可行性研究报告编制规程》(NB／T32043-201)英文版

ICS27.160

P61

RecordNumber:J2570-2018

ENERGYSECTORSTANDARD

OFTHEPEOPLE’SREPUBLICOFCHINA

中华人民共和国能源行业标准

PNB/T32043-2018

SpecificationforPreparationofFeasibilityStudyReport

forPhotovoltaicPowerProjects

光伏发电工程可行性研究报告编制规程

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

翻译出版说明

本译本为国家能源局委托水电水利规划设计总院按照有关程序和规定，统一组织翻

译的能源行业标准英文版系列译本之一。202x年xx月xx日，国家能源局以202x年第

x号公告予以公布。

本译本是根据中国水利水电出版社出版的《光伏发电工程可行性研究报告编制规

程》NB/T32043—2018翻译的，著作权归国家能源局所有。在使用过程中，如出现异议，

以中文版为准。

本译本在翻译和审核过程中，本标准编制单位及编制组有关成员给予了积极协助。

为不断提高本译本的质量，欢迎使用者提出意见和建议，并反馈给水电水利规划设

计总院。

地址：北京市西城区六铺炕北小街2号

邮编：100120

网址：

本译本翻译单位：水电水利规划设计总院

中国电建集团西北勘测设计研究院有限公司

本译本翻译人员：

本译本审核人员：

国家能源局

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