Vestas Wind Systems, Siemens and Suzlon Energy may be left with underused U.S. factories as cheap natural gas and a lack of federal support cuts wind turbine deliveries in 2010 by 50%, Denver Post reports. Vestas is investing $1 billion to expand annual production capacity in Colorado to sell and build turbines.
Siemens is planning to open a parts factory in Kansas this year and already manufactures blades in Iowa. The companies are betting the U.S. will pass a law that requires utilities in every state to buy electricity from renewable resources. State aid helped new wind farms match natural-gas plant additions over the past two years even as gas prices fell 59%.
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