The document summarizes key aspects of the Open Access policies for Horizon 2020 (H2020), the EU's research and innovation program for 2014-2020, and their alignment with policies across European member states. H2020 has a mandatory 'green' Open Access policy requiring publications to be made available in open repositories. It allows funds for 'gold' open access journal publication and has an open data pilot. The policy aims to coordinate with and support the development of consistent national Open Access policies across EU member states to harmonize research conditions and mobility across Europe.