Tests on 16 Nordtank NTK 1500/64/80s at the Sustrum-Renkenberge wind farm in northern Germany found that the patented technology,
iSpin trials point to 7.7% boost in energy yield
Danish-Swiss outfit Romo Wind's trials of a turbine-mounted ultrasonic wind measurement system, iSpin, have pointed to a 7.7% increase in energy yield.