The availability of storage resources is the ultimate pre-requisite for CCS deployment. For global CCS deployment, each country needs to know where, and how much, CO2 can be stored. Each nation needs to characterise, explore and appraise a national portfolio of accessible, commercially-viable storage sites ready for CCS Facilities.
The CCS-SI tracks the development of storage resources for 80 countries. The 2018 scores confirm an overall improvement since the 2015 CCS-SI with twelve nations having mature, or near-mature, storage resources to enable wide-scale CCS.