The 7th PRIMaRE conference series provides a forum for presenting and discussing the latest research & development in all areas related to Marine Renewable Energy. This year, due to the restrictions caused by COVID-19 the PRIMaRE conference will be held online on the 7th and 8th July 2020, and will be run by University of Plymouth and Plymouth Marine Laboratory. The conference includes universities, industry and research centres active in all aspects of marine renewable energy and is expected to attract over 100 participants ranging from industrial developers, university researchers, marine environmentalists and policy makers. The aim of the event is to cover a wide range of topics in marine renewable energy, including: technology, policy, environment, hydrodynamics, resource characterisation, materials, operation and management, etc. This virtual conference is free to attend, but registration is required.