Norway has launched its long-awaited maiden offshore wind tender, opening the door to bids to develop some 4.5GW of projects in two vast swathes of water off the Nordic country.

The Utsira Nord area, deepwater acreage off Norway’s west coast, and Sorlige Nordsjø II, which borders the Danish North Sea to the south, together amount some 3,500 square km in waters that in depths that will call for floating and bottom-fixed turbines.