A Biden administration auction of offshore wind development rights in the Gulf of Maine drew $21.9 million in high bids for half of the eight areas offered, the U.S. Bureau of Ocean Energy Management said on Tuesday.Offshore wind developers Avangrid AGR.N and Invenergy each walked away with two leases following one round of bidding. They were among 14 companies that had been qualified to bid at the sale.Once developed, the lease areas have the potential to power more than 2.3 million homes…