Windpower TV - Narec chief technology officer, Ignacio Martí Pérez

National Renewable Energy Centre's chief technology officer, Ignacio Martí Pérez talks about the technological challenges of developing offshore wind turbines.

Pérez also provides an update on Narec's £400 million (€500 million) 100MW turbine demonstration project featuring up to 15 turbines off Blyth, Northumberland.