WEO | International Energy Agency’s World Energy Outlook analysis of the implications of the European Union’s Energy Union on key energy sector indicators. 01-03-2018 - 31-07-2019 Show more information EU-Programme-Call Horizon 2020 H2020-EU.3. SOCIETAL CHALLENGES H2020-EU.3.3. SOCIETAL CHALLENGES - Secure, clean and efficient energy H2020-EU.3.3.0. Cross-cutting call topics H2020-IBA-SC3-IEA-2017 IBA-SC3-IEA-2017