资料简介
Energy:Globalenergydemandincreasedby2.1%in2017,comparedwith0.9%thepreviousyearand 0.9%onaverageoverthepreviousfiveyears.Morethan40%ofthegrowthin2017wasdrivenby ChinaandIndia;72%oftherisewasmetbyfossilfuels,aquarterbyrenewablesandtheremainderby nuclear. • Carbondioxide(CO2):Globalenergy-relatedCO2emissionsgrewby1.4%in2017,reachingahistoric highof32.5gigatonnes(Gt),aresumptionofgrowthafterthreeyearsofglobalemissionsremaining flat.TheincreaseinCO2emissions,however,wasnotuniversal.Whilemostmajoreconomiessawa rise,someothersexperienceddeclines,includingtheUnitedStates,UnitedKingdom,Mexicoand Japan.ThebiggestdeclinedropcamefromtheUnitedStates,mainlybecauseofhigherdeploymentof renewables. • Oil:Worldoildemandroseby1.6%(or1.5millionbarrelsaday)in2017,aratethatwasmuch higherthan theannualaverage of 1%seenoverthelastdecade.Anincreasingshareofsport-utilityvehiclesand lighttrucksinmajoreconomiesanddemandfromthepetrochemicalssectorbolsteredthisgrowth. • Naturalgas:Globalnaturalgasdemandgrewby3%,thanksinlargeparttoabundantandrelatively low-costsupplies.Chinaaloneaccountedforalmost30%ofglobalgrowth.Inthepastdecade,halfof globalgasdemandgrowthcamefromthepowersector;lastyear,however,over80%oftherisecame fromindustryandbuildings. • Coal:Globalcoaldemandroseabout1%in2017,reversingthedecliningtrendseenoverthelasttwo years.ThisgrowthwasmainlyduetodemandinAsia,almostentirelydrivenbyanincreaseincoalfiredelectricitygeneration. • Renewables:Renewablessawthehighestgrowthrateofanyenergysourcein2017,meetinga quarterofglobalenergydemandgrowthlastyear.ChinaandtheUnitedStatesledthisunprecedented growth,contributingaround50%oftheincreaseinrenewables-basedelectricitygeneration,followed bytheEuropeanUnion,IndiaandJapan.Windpoweraccountedfor36%ofthegrowthinrenewablesbasedpoweroutput. • Electricity:Worldelectricitydemandincreasedby3.1%,significantlyhigherthantheoverallincrease inenergydemand.Together,ChinaandIndiaaccountedfor70%ofthisgrowth.Outputfromnuclear plantsroseby26terawatthours(TWh)in2017,asasignificantamountofnewnuclearcapacitysaw itsfirstfullyearofoperation. • Energyefficiency:Improvementsinglobalenergyefficiencysloweddowndramaticallyin2017, becauseofweakerimprovementinefficiencypolicycoverageandstringencyaswellaslowerenergy prices.Globalenergyintensityimprovedbyonly1.7%in2017,comparedwithanaverageof2.3%over thelastthreeyears.
资料截图
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