EERA map of data repositories, digital (AI) methodologies, and numerical codes

This document describes an updated summary of the non-complete list of data repositories (26), digital (Artificial Intelligence) methodologies (35), and numerical codes (68) that are being exploited within the European Energy Research Alliance (EERA), as those of 2023. The collection of information described in this document comes from a brief questionnaire that for those three topics was open within the Alliance along May 2023. It updates and complements the one already carried out during the spring of 2021.