Flexibility Assessment Studies Worldwide-Bridging with the Adequacy Needs: *Note: Sub-titles are not captured in Xplore and should not be used

This paper aims to go forward the literature review of our previous research [1], focusing a bit more on the existing efforts on improving the adequacy assessment with flexibility indices, defining more clearly the FLEXITRANSTORE WP2 contribution to the on-going discussion about these topics in Europe and worldwide