The DigiMon project aims to develop and demonstrate an affordable, flexible, societally embedded, and smart digital monitoring early warning system for any subsurface CO2 storage field. The societal embeddedness level (SEL) assessment is a novel methodology which provides insight into the societal requirements for technological innovation to be deployed. The SEL assessment framework was applied in four case studies, concerning CCS development in Norway, the Netherlands, Greece, and Germany. The

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... resulting societal embeddedness levels of CCS, on a scale of 1–4, were SEL 3 in Norway with considerable progress towards level 4, followed by the Netherlands with SEL 2 with several initiatives towards offshore demonstration projects, and then by Greece and Germany with SEL 1. The outcomes of the SEL assessments show which societal requirements have been met in current CCS developments and which ones should be improved for CCS deployment. They also show that monitoring currently is a regulatory requirement as part of permitting procedures, while it may alleviate community concerns on safety, provided that it has certain attributes. The insights from the four national case studies are further used in the DigiMon project to develop the innovative societal embedded DigiMon monitoring system.