全球海事论坛：2025年绿色航运走廊年度进展报告

ATACROSSROADS

AnnualProgressReportonGreenShippingCorridors

2025edition

AnnualProgressReportonGreenShippingCorridors|2025edition2

Executivesummary

ThefourtheditionoftheAnnualProgressReportonGreenShippingCorridorsprovidesanoverviewofprogresswithingreencorridors—specifictraderouteswherethefeasibilityofzero-emissionshippingiscatalysedbypublicandprivateaction—sincetheiremergencein2021.

SHIPPINGSEGMENTS

32

22

16

10

3

9

Roroand

Container

Tanker

Bulk

Cruise

TBD

84

305

stakeholders

initiatives

+25

sincethe

previous

edition

LEADERSHIP

19

17

17

Industry/thirdparties PortGovernmentPublic-private

31

ferry

GEOGRAPHICSCOPE

25

5

22

12

14

6

Methanol27

Ammonia23

Electric12

Hydrogen113832

Advancedbiofuel3

Nuclear114

Methane12

TYPESANDNUMBEROFENERGYSOURCES

Sincelastyear’sedition,25newinitiativeshavebeenaddedtotheglobalgreencorridor

portfolio,bringingthetotalto84activeinitiativesatvariousstagesofdevelopment.Overthepastyear,19corridorshaveadvancedtoanewphaseofdevelopmentwithinthefour-stageprogressframeworkestablishedinthelasteditionofthisreport.Inamilestoneforthemovement,thenumberofinitiativesthathaveprogressedtothePreparationstagedoubledsincelastyear,andforthefirsttimesincethisreport’sinception,fourcorridorshavereachedtheRealisationstage.

241628124

Realisation

ConstructionOperation

Exploration

EarlyAdvanced

Understandingwhatneedstohappentorealisetheopportunity

Vessels,

infrastructure,

and/orfuelplant

built

Aligningonwhat

theopportunity

lookslike

Zero-emission

shippingbegins

oncorridor

Takingthe

actionsneededforrealisation

Removingsharedbarriers torealisation

Initiation

-

Establishinganinitiative

Pre-

commercial

Commercial

Preparation

AnnualProgressReportonGreenShippingCorridors|2025edition3

Thisyear’sfindingsoffertwocontrastingnarratives.Ontheonehand,greencorridors

continuetobeannouncedacrossnewgeographies,whilemanyestablishedinitiativesmakesteadyprogress.Ontheotherhand,thereisgrowinghesitationanduncertaintyaboutwheretosteerthecorridorsnext,stemmingfrompolicydelaysorotherbarriers,suchasthefuel

costgap.Thishasbroughtforthunevenprogressamongtheglobalgreencorridorportfolio,withbreakthroughswitnessedbysomeandstallingoccurringamongothers.

Itisclearthatthe“feasibilitywall,”definedinlastyear’seditionasasharedbarrierforgreencorridorswherethefuelcostgapinhibitsprogression,remainsinplaceformostcorridors,

andcargoowners’willingnesstopayahigherfuelpremiumremainsakeyobstaclethatmustbeovercomeforwidespreadprogresstooccur.Meanwhile,nationalpolicyincentivesare

beginningtotakeshape,sendingencouragingsignalstothesector.

However,theintervalbetweentheInternationalMaritimeOrganization’s(IMO)approvaloftheNet-ZeroFramework(NZF)inAprilandtheOctoberadoptionvotekick-starteda“waitandsee”periodformanycorridors,whichcouldextendfurtherdueto

thevote’s

postponement

.

Withthisinmind,thisreportconcludesthat:

1.Greencorridorsmustpursuestrategiestobreaktheinertiaandmaintain

momentum.Corridorsshouldexplorevariouswaystotacklethecostgap,bothwithinandbeyondpolicymaking.

2.Whileinitiallinksbetweengreencorridorsandcargoownershavebeenestablished,furthereffortisneededtoengagethosewithambitiousdecarbonisation

goalsinco-creatingeffectiveenablingmechanisms,whilealsostrengtheningexistingplatforms,suchastheZeroEmissionMaritimeBuyersAlliance(

ZEMBA

).

3.Insteadofsurrenderinganotheryeartoawaitingperiod,initiativescanprovideinputintotheIMO’spolicymakingprocess.Greencorridorscanseizethe

opportunitytohelpshapekeypolicyfeaturesundertheNZF,suchastherewardmechanism.

4.Manypolicymeasuresaredevelopinginrealtime,suchas

H2Global

andthe

EU’s

GlobalGateway

.Corridorscanutiliseemergingnationalpolicyinstruments,adaptthemtonewgeographies,andcomplementthemwithforward-

thinking,innovativesolutionsthatcreateindustrybuy-in.

5.Assomegreencorridorsdriftfromtheoriginalprinciplesoffacilitatingearly

deploymentofzero-emissionassetsthroughcollaborativepublic-privateaction,itiscrucialtorememberthattheirgreatestcontributiontomaritimedecarbonisationcomesfromfosteringcollaborationandprioritisingharder-to-deploye-fuelsoverreadilyavailablesolutions.

AnnualProgressReportonGreenShippingCorridors|2025edition4

AtaCrossroads:AnnualProgressReportonGreenShipping

Corridors2025

November2025

Leadauthor

IsabelleChan

Contributors

JoeBoyland,ElenaTalalasova

Layout

TrineKirketerp-Møller

Editor

JustinCremer

TheGlobalMaritimeForumhasproducedthisreportonbehalfoftheGettingtoZeroCoalition.Theviewsexpressedaretheauthors’alone.

Acknowledgements

TheGlobalMaritimeForumwouldliketothanktherepresentativesofgreenshippingcorridorinitiativesandClydebankDeclarationsignatoriesfortheirsupportinthepreparationofthis

report.Thefollowinginterviewparticipantsareespeciallyacknowledgedfortheirvaluableinsights:

•PortofGothenburg:ThereseJällbrink,HeadofRenewableEnergy;andEdvardMolitor,HeadofInternationalPublicAffairsandSustainability

•Lloyd’sRegisterMaritimeDecarbonisationHub:CarloRaucci,Director,SustainableFuelsandStrategy;CharlieMcKinlay,FuelsandTechnologiesLead;andDana

Rodriguez,ProgramManager

•MærskMc-KinneyMøllerCenterforZeroCarbonShipping:JohanByskovSvendsen,HeadofProgram:CatalyzeEcosystemTransition

•GlobalMaritimeForum:EleanorCriswell,SeniorProjectManager;AnnaRosenberg,ProjectManager;andJudithMusau,ProjectManager

•PortofRotterdam:NaomivandenBerg,ProgramManagerSustainableTransport;andFloorHagens,BusinessManagerSustainableSupplyChains

•RockyMountainInstitute:AparajitPandey,Principal,Climate-AlignedIndustries

•Wasaline:CatarinaFant,Director,Brand,CommunicationsandSustainability

•C40Cities:YanaProkofyeva,SeniorProjectManager,GreenShippingCorridors

•Maritime&PortAuthorityofSingapore(MPA):ZerHienNg,SustainabilityManager;andYasminLeong,Manager,InternationalDivision

•PortofSeattle:RyannChild,SeniorEnvironmentalProgramManager

•BHP:NirvaGhelani,Manager,StrategyandMajorProjects

•PilbaraPortsAuthority:MatthewBowdler,PrincipalSustainabilityAdvisor

Tableofcontents

Executivesummary2

Introduction6

Methodology6

Overviewofinitiatives8

Segmentandgeography8

Fuelpathway9

Stakeholders10

Progress11

Stateofmatureinitiatives13

GreencorridorsinthePreparationstage:Actionsandbarriers14

GreencorridorsintheRealisationstage:Statusandenablingfactors15

Reviewofimpact18

Whatistheimpactframework?18

Unpacking2025’simpactresults19

Conclusionsandrecommendations22

Appendix27

AnnualProgressReportonGreenShippingCorridors|2025edition6

Introduction

As2025drawstoaclose,theglobalshippingindustryfindsitselfatapivotalmidpointonthepathto2030.Sincetheirinceptionwiththe

ClydebankDeclaration

atCOP26in2021,greencorridorshavebeenenvisionedasakeytransitionaltoolinmaritimedecarbonisation,whichcantestrunsolutionsandacceleratesystem-widechange.Now,fouryearslater,thisreporttakesstockoftheirevolutionandassesseshowtheycanbefurtherstrengthenedtomeettheambitionsof2030andbeyond.

ThefourtheditionoftheAnnualProgressReportonGreenShippingCorridorsprovides

asnapshotoftheglobalcorridorportfoliobyoutliningastatisticalsummarythatcovers

theshippingsegments,geographicscope,fuelpathways,andstakeholdersinvolvedinthe

initiatives.ItalsoprovidesadeepdiveintotheinitiativesinthePreparationandRealisation

stagesoftheprogressframework.Thereportconcludesbyevaluatingandreflectingon

theimpactofgreencorridors,establishingaprecursorbaselineforfuturestudiestobuild

upon.Impactcanbeseenastangibleeffortstoprogressgreenshippingcorridors,butalsoinunexpectedwaysthatareoften“behindthescenes,”yetcriticaltomaritimedecarbonisationefforts.

Methodology

Assessingtheprogressofgreenshippingcorridorshasremainedlargelyunchangedfrom

pasteditions.Progressdatawascollectedviaacombinationofdeskresearch,asurveyto

eachleaderorprimarycontact,andsemi-structuredinterviews.ThesurveyandinterviewstookplacebetweenAugustandSeptember2025.Informationfromnearly70%ofthegreencorridorswasvalidatedinsurveysandinterviewswithinitiativerepresentatives.Whena

contactwasnotresponsiveoravailableforinterviews,deskresearchwasusedastheprimarydatasource.Lastly,thecutoffdateforincludingnewinitiativeswas1October2025.

Tobecountedasagreencorridor,aninitiativemustmeettheGettingtoZeroCoalition

definitionofbeing“arouteonwhichthefeasibilityofzero-emissionshippingiscatalysedbypublicandprivateaction”.Specifically,itmust:

•worktowardtheuseofzero-emissionfuelorenergyforprimaryshippropulsion;

1

•supportthecommercialisationofnon-commercialfuelsorenergysourcesinshipping;

•featureahighlevelofcross-valuechaincollaboration,includingcloseengagementandinputfromnational/regionalgovernments;

•callitselfagreencorridorfromitspointofinitiation;and

•focusonzero-emissionocean-goingvessels.

2

1Definedasfuelswiththepotentialtoachievezero-ornear-zerogreenhousegasemissionsonalifecyclebasis.Seethe

GettingtoZeroCoalition’sdefinitionofzerocarbonenergysources

forfurtherclarification

2Encompassingcontainerships,bulkcarriers,generalcargoships,passengerships,tankers,cruiseships,andvehicle/roll-onroll-offvessels.

AnnualProgressReportonGreenShippingCorridors|2025edition7

Itisbecomingincreasinglyevidentthatthegreencorridorconceptisbeingusedinvarious

ways,whichhasmadeitmoredifficultto(re)validatenewandexistinggreencorridors.It

isencouragingtoseesuchexcitementaroundthegreencorridorconcept,butitalsorisks

causingmissiondriftifeveryeffortiscalledagreencorridor,evenwhenitdoesnotalignwiththeoriginalintent.

Whenevaluatingtheprogressionofgreencorridors,thefourprogressstagesoutlinedinlastyear’sedition(Initiation,Exploration,Preparation,andRealisation)providethefoundationforthisyear’sedition(Figure1).

Initiation

-

Establishinganinitiative

Exampleactivities:

•Stakeholderworkshops

•Country-levelassessment

•Formationofcorestakeholdergroup

•Governanceagreed

Exploration

Aligningonwhatthe

opportunitylookslike

Understandingwhat

needstohappento

realisetheopportunity

Exampleactivities:

•Fleetbaselining

•Fuelselection

•Pre-feasibilitystudy

Exampleactivities:

•Feasibilitystudy

•Gapanalyses

•Implementationroadmap

•Targetsetting

•Costmodelling

EarlyAdvanced

Preparation

Pre-commercial

Removingshared

barrierstorealisation

Exampleactivities:

•Policydialogue

•Policypaper

•Discussionsoncommercial

innovation

•Technicalstudiesandworkinggroups

Commercial

Takingtheactions

neededforrealisation

Exampleactivities:

•Designandengineering

•Commercialvehiclesestablished

•Policyincentivesaccessed

•Regulatoryupdatesandapprovals

•Tendersissued

•Contractssigned

Realisation

Construction

Keyassetsbuilt

Exampleactivities:

•Vessels

built/retrofitted

•Bunkering

infrastructurebuilt/expanded

•Fuelplant

built/converted

Operation

Zero-emission

shippingbeginson

corridor

Exampleactivities:

•Pilotsand

demonstrations

•Additionalvessel

ordersandofftakes

Figure1:Corridorprogressframework

Theprogressframeworkwasdevelopedtoidentifythebestroutes,collaborative

opportunities,andnextstepstogeteachinitiativefromtheInitiationstagetorealisation.

Whiletheframeworkremainsthesame,itisessentialtonotethatthedevelopmentof

greencorridorinitiativesismorefluidinpractice.Therefore,phaseswithineachprogressionstagecanoverlap.Forexample,duringthePreparationstage,bothpre-commercialand

commercialstepscanbetakensimultaneously.

Determiningtheprogressstatusforeachgreencorridorwaschallengingformanyreasons.Someinitiativeshavecompletedcertainprogressstepsbutnowmaintainaholdingpattern,whereasothershaveskippedstepswithintheprogressframeworkaltogether.

Forexample,someinitiativesappeartobeinthePreparationstage,butinpracticehave

bypassedafewcrucialstepsfromtheExplorationstagetogetthere.Moreover,some

initiativesarenotprioritisingdeploymentasmuchastheyareprioritisingknowledgesharingandconnectingstakeholders.Sincetheframeworkisnotmeanttoberigid,thefactthat

greencorridorsareevolvingmoreorganicallythanlinearlymakessense.Atthesame

time,thisflexibilitycreatessomeobstaclestodesignatingprogressstatus.Furthermore,

inconsistentormissingdataledtodifficultiesassessingwhetheragreencorridorisstalled

oriftheinitiativeispermanentlyinactive.Lastly,someinitiativesarereassessingtheirfuel

pathways,anditisnowunclearwhethertheywillcontinueunderthegreencorridorprinciplesorevolveintosimpler,industry-leddecarbonisationprojects.Therefore,thecategorisationintoeachprogressphasewasdonethroughassessmentsusingtheavailabledataand

informedjudgement.

AnnualProgressReportonGreenShippingCorridors|2025edition8

Overviewofinitiatives

Asof1October2025,84greencorridorinitiativeshavebeenannounced,25ofwhicharenewsincelastyear’sedition.SeeAppendixAforthecompletelistofgreencorridorsroutesthatarewithintheGettingtoZeroCoalition’sdefinitionalscope.

Segmentandgeography

Therehasbeenagrowingshifttowardsdeep-seacorridors.Whilelastyear’seditiononly

revealeda6%differencebetweenshort-seaanddeep-searoutes,thatgaphasgrownto17%thisyear,andoverhalfofallgreencorridorsarenowdedicatedtodeep-searoutes(Figure

2,left).Thisisapositivedevelopmentgiventheoriginalgreencorridorvaluepropositionofadvancingzero-emissionshippinginmoredifficultareas,suchasonlongerroutes.

MixedorTBD

11%

DeepseaShortsea53%

36%

25

5

22

12

14

6

Figure2:Scopeofthecorridors(left,%ofinitiatives)andindicativegeography(right,numberofinitiatives)

Asforgeographiccoverage(Figure2,right),therehasbeenanincreaseinnewengagementfromAsia,LatinAmerica,andAfrica,withannouncementsofnewgreencorridorinitiatives

inIndia(+4),China(+4),Brazil(+2),Chile(+2),Ghana,andKenya.Thisalignswith

governmentalmaritimeandenergyambitionsinthesegeographies,suchasthe

Indian

ShippingMinistry’s2025goals

,China’seffortstoacceleratethedevelopmentof

port

infrastructureandgreenfuels

,Brazil’s

NationalHydrogenProgram

,Chile’s

NationalGreen

HydrogenStrategy

,andnationalcommitmentstogreenshippingby

Kenya

and

Ghana

.Thisgrowinginterestreflectsthemajoropportunitiesinzero-emissionmarinefuelsandbunkeringfortheseregions.Acleartakeawayfromthisyear’sdataisthat,ratherthangeographic

hotspotssimplyshifting,thegreencorridorsmovementisbroadeningandexpandingglobally.

Incomparisontolastyear’sedition,theshippingsegmentrepresentationremainslargely

thesame(Figure3).Thebiggestexceptionistheriseintankers,whichisprimarilyduetotheadditionofsixammoniacarriergreencorridors.Also,thereisasignificantincreaseintheto-be-determined(TBD)category.TheriseinTBDismainlycausedbythenewgreencorridorsannouncedthisyear,whicharestillintheprocessofformulatingkeydetails,suchasthe

shippingsegment.

AnnualProgressReportonGreenShippingCorridors|2025edition9

22

16

10

9

3

32

Roroand

ferry

Container

Tanker

Bulk

Cruise

TBD

Figure3:Representationofdifferentshippingsegmentswithinthecorridorportfolio

Fuelpathway

Inregardtofuelpathways,methanolandammoniacontinuetobepopularoptions(Figure4,left).Thisalignswiththeoriginalvaluepropositionofgreencorridors,asthesefueltypesrequiresignificantcross-valuechaincollaborationtobecomeviableoptionsonthemarket.Interestinmethane(bio-ore-methane)andhydrogenisalsoexpanding.

BD

Methanol27

Ammonia23

Electric12

Methane12

Hydrogen11

Advancedbiofuel3

Nuclear1

3832

14

OneMultipleT

Figure4:Representationofdifferentfuels/energysourcesinthegreencorridormovement(left)andproportionofinitiativesoptingforonefuel,multiple,orTBD(right)

However,thedatashowscontinueduncertaintyinchoosingaspecificfueltype(Figure4,right).Thiscanprimarilybeexplainedbytworeasons.First,manygreenshippingcorridorsremainintheInitiationstageandareyettoalignonthemostviablefueloption.Second,thereisagrowingconsensusthatmanystakeholdersarewaitingformarketcertaintyandIMOregulatoryclaritytocometofruitionbeforemakingdefinitivefuelpathwaydecisions.

Despitethiswaitingperiod,therehasbeenaspikeininterestinmethanol(+9)andammonia(+8)asfueloptions.Thistrendispartlyassociatedwithprogressindecision-makingwithinpreviouslyestablishedgreencorridors,wherethedecisiontopickafueltypecameoutof

completedfeasibilitystudies,andpartlyduetonewlyannouncedgreencorridorinitiatives

thathavesingledoutmethanolorammoniaasakeyfuelofinterest,whileremainingagnosticuntilfurtherdecision-makinganddatacollectionoccur.

Meanwhile,interestinelectricvesselsremainssteady.Manyagnosticgreencorridors

continuetomentioninterestinbatteryelectricpropulsion.Additionally,short-seacorridorsfocusedonelectricroll-on/roll-offpassenger(RoPax)andferryvessels,primarilywithintheEuropeanregion,remainastrongtrendaswell.

AnnualProgressReportonGreenShippingCorridors|2025edition10

Advancedbiofuels(biodieselsandbiocrudes),particularlysecond-generationbiodiesel,

remainanenergysourceofinterestforasmallgroupofgreencorridors.Meanwhile,interestinthemethanepathwayhasexpandedthisyear,drivenbythereasoningthatbiomethane

offersanear-term,drop-insolutionfortheliquifiednaturalgas(LNG)dual-fuelfleetwhilewaitingforthecostbarriersofe-fuelstocomedown.However,thespikeininteresthasbeenregionallyconcentratedinEurope,reflectingthecompetitivebenefitsundertheFuelEU

MaritimeandEUEmissionsTradingSystem(ETS).

Lastly,thisyearalsomarkedthefirstannouncementofa

nuclearcorridorbetweentheUS

andUK

,addinganadditionalfuelpathwaytothecurrentlist.Thegreencorridorframeworkremainsrelevanttonuclearfuelpaths,asthesecorridorswillrequiresignificantregulatorychange,oversight,andgovernmentalbuy-in.Theneedforvaluechaindevelopmentand

coordinationisparticularlyhighinthiscontext,giventhelowtechnologyreadinesslevel

ofadvancednuclearapplicationsinthecivilmaritimesector.Thisalsomeansthattheir

deploymenttimelinesmayextendsignificantlybeyondthe2030s,potentiallyputtingthisfuelpathwayoutofalignmentwiththeoriginalprinciplesofgreencorridorsandshipping’s2030breakthroughgoal.

Stakeholders

y

71Portauthority

60Publicandgovernmentagenc47Vesselowner/operator

46Thirdparties

24Fuelproducer

14Customer/cargoowner

7Classificationsociety

6Financialinstitution

30Other

Figure5:Numberofstakeholdersrepresentedinthegreencorridormovementbytype

3

3“Thirdparties”includesuniversities,non-governmentalorganisations,industryassociations,innovation

platformsandhubs,consultants,regionalcooperationanddevelopmentorganisations,andresearchand

businessintelligenceorganisations.“Other”includesportandterminaloperators,shipbuilders,shipbrokers,shipmanagers,andenginemanufacturers.

AnnualProgressReportonGreenShippingCorridors|2025edition11

Therearenowover300stakeholdersinvolvedingreencorridors,upfrom240inthepreviousedition(Figure5).Similartolastyear,portauthoritiescontinuetobekeyleaders,withpublicsectorandgovernmentalactorsfollowingcloselybehindthem(Figure6).Thevesselowner/operatorcategoryincreasedbyover30%sincelastyear,whichcouldindicatethatportandgovernment-ledinitiativesarehavingmoresuccessfindingpartnersinshipping.Theone

categorywithnopositivemovementonthestakeholdersideisfinancialinstitutions,whichcouldbeduetoengagementwithfinanciersoccurringoutsidethecoregreencorridor

consortia.

Ind

ustry/thirdparties31

Port19

Government17

Public-private17

Figure6:Numberofgreencorridorinitiativesbyleadershiptype

Thisyear’sfindingsalsorevealthatsomegovernment-fundedinitiativeshavestalledafterfeasibilitystudieshavebeencompleted,suggestingagapbetweengovernmentprioritiesandindustryinterests.Whilecompanieshaveleveragedgovernmentfundingtoexplore

fueloptionsandtherebyreducetheirin-houseresearchcosts,thishasnotyieldedactioninmanycases.Incontrast,initiativeswithhighindustryinvolvementhavebeenprogressingthefastest,asindicatedbythefourgreencorridorsnowintheRealisationstage.Thesetrendshighlightthebenefitofinvolvingindustrypartnersearlierintheprojecttimeline.

Progress

241628124

Realisation

ConstructionOperation

Exploration

EarlyAdvanced

Understandingwhatneedstohappentorealisetheopportunity

Vessels,

infrastructure,

and/orfuelplant

built

Aligningonwhat

theopportunity

lookslike

Zero-emission

shippingbegins

oncorridor

Takingthe

actionsneededforrealisation

Removingsharedbarriers torealisation

Initiation

-

Establishinganinitiative

Pre-

commercial

Commercial

Preparation

Figure7:Numberofinitiativesateachprogressphase

AnnualProgressReportonGreenShippingCorridors|2025edition12

Morecorridorsareadvancingtolaterprogressphasesbyimplementingplansandcreatingenablerstosupportdeployment.Oneofthemanyareasofprogressisinfrastructurebuild-