This report shows how policy and technological breakthroughs can advance the development of offshore wind energy technology. It aims to inform policymakers and other stakeholders about anticipated developments in the next three decades that will make off shore wind competitive on a large scale. The information in the report aims to help guide incentive programmes and policy actions supporting sustainable energy innovation. Sections of the report are titled, Global Offshore Wind History and Current Status, Technology Innovation to Date, Key Technology Challenges and Opportunities, Technology Innovation Prospects, and Research, Development and Demonstration. The report includes the authors’ recommendations.