ISWEC system is located about 800 metres off the coast of the Italian island of Pantelleria

Renewables for Subsea Power combines turbine generation with subsea battery

Agreement covers the assessment and development of potential sites

Using the resource with solar and offshore wind enhances supply-demand balancing, says UK study

Grid issues mean Enlli (Bardsey Island) project is ‘not economically viable’ according to the developer

Nova Innovation adds two turbines to double size of site