Iberdrola-backed Avangrid Renewables submitted a winning $9.06m bid to gain commercial development rights to a potential 1.2GW offshore wind zone facing North Carolina, marking its entrance into an emerging US sector already dominated by European companies.

After 17 rounds, Avangrid made its winning bid, the second highest of the nation’s seven competitive offshore wind lease sales held since July 2013, behind only the $42.5m