The cost drivers for CO2 transport can be discerned by analysing the CO2 chain. One way to dissect a CO2 transport chain is to identify all components, from the capture plant to the storage site, and assess the cost drivers for each component. A subdivision of the CCS chain is shown in $$figure dit en dat. The dotted lines indicate the system boundaries in this study. Note that compression is considered to be part of the transport system, although it is usually regarded as part of the capture system. A second approach is to dissect the life cycle of the chain and go through the steps of design, construction, commissioning, operation, decommissioning and removal.