A 10-metre-diameter 1MW version of the open-centre turbine was installed at the centre in 2009, but had to be pulled out of the water eight months into a two-year testing programme after damage to its rotor blades.
“There needs to be a better way, with shorter turnaround time and lower costs, to continue to test before we would consider another full [-scale] deployment,” says Sasha Irving, of NSP parent company Emera.
“One
