It's a paradox. To harness wind energy, you have to go where the wind blows. But that's currently the biggest problem for off-shore pioneers at the "Bard Offshore 1" wind farm.
The project is already two years behind schedule, because when it's too windy construction must cease. Every day of delay costs more money and frays nerves. Tune in for the third part of our series "On Course - Exploiting Wind Energy" to watch this extremely challenging work.