It’s an open race as to who will lead each sector of the supply chain through the buildout of offshore wind in the US, with state-led promises now amounting to 28 GW by 2035. Offshore turbine leader Siemens is the latest to pipe up with eyes on a state-side manufacturing plant, but could face competition from General Electric (GE). In a testimony on Friday, Siemens Gamesa’s head of government affairs claimed that the company was “actively examining” a $200 million blade manufacturing facility in the Hampton Roads area, in either North Carolina or Virginia. The new plant would employ 750 people and would most likely serve the initial purpose of supplying the three-phase 2.64 GW Dominion Energy project off the…