The following links are seen as few of the most important for the Energy related scientific community at an EU level. Included are European Commission sites, the system operator website and relevant associations. See more at:
Horizon 2020 (funding opportunities)
Horizon 2020 (Reference Documents)
European Commission - Strategic Energy Technology Plan (SET Plan)
European Network of Transmission System Operators for Electricity
European Commission - SETIS (Strategic Energy Technologies Information System)