The two European energy firms said "challenging seabed conditions" and "relatively poor wind speeds" at the site proposed for the demonstration scale 30-turbine wind project in Swansea Bay had persuaded them not to proceed with construction. "It has become clear that is not the best place to build a small scale offshore wind farm," said Dave Rogers, the regional director of renewables for E.ON. "In the case of the Scarweather Sands site, there were too many downsides to make the project commercially viable," said Christina Grumstrup