Cross Value Chain CO₂ Transport Review from Emitter to Port

Motivation:

A cross CCS value chain partnership comprising of an emitter, port operator and store operator wished to collaborate on a study to develop an optimal approach to transport CO₂ between their operation sites. The Goal7 feasibility study aimed to assess the non-pipeline transport options of transporting CO₂ from the emitter to the offshore geological store via a port location utilising direct-to-store shipping.

Our Approach:

Goal7 hosted an initial screening session with the clients which defined four potential cases to be assessed. These included a variety of CO₂ transportation modes including gaseous pipeline, rail, inland waterway vessels and sea-going vessels.

Goal7 evaluated the technical feasibility from the point of capture to the store which included:

• Simulation work on liquefaction and conditioning facilities
• Pipeline estimation, including routing and sizing simulations
• Rail transportation logistics, assessing fleet size and frequency
• Ship transportation logistics, assessing fleet size and frequency
• Buffer storage estimations to ensure a resilient value chain
• GIS mapping to illustrate routes and provide indications of plot sizing for processing facilities, storage and loading/offloading sites

This work identified any constraints limiting the total volume that could be transported for a case.

An economic assessment estimated the indicative levelised cost of transport and storage (LCOTS) with CAPEX and OPEX estimates, allowing direct comparison between the cases. Sensitivities on key driving factors were carried out as well as the effect of an alternative aggregation scenario.

A critical risk review was performed across the full value chain for each case to identify the top risks as well as a high-level HSSE assessment to identify any red flags for each case or any COMAH requirements. An emissions assessment and high-level project schedule were also completed.

Benefit and Impact: Goal7 prepared a comprehensive report that identified the key recommendations for progressing any high potential cases. An in person presentation summarising the work was made to the three study partners, and subsequently the study findings were also presented to DESNZ.

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