Location: West Branch, Iowa Technology: Wind turbine generator engineering and assembly Collaborators: Ryan Companies US, Inc; R&M Materials Handling Construction completed: November 2007; turbine assembly commenced December 2007 Wind turbine output: 450 unit annual capacity Turbine models produced: AW-1500; AW-3000, near future Investment total: $30 million The AW-1500 has rotor diameters of 70, 77 or…