Suzlon Energy has annouced that Suzlon Wind Energy Corporation, the US-based step-down wholly owned subsidiary of the company has signed a contract for a 400 MW of wind turbine capacity with Horizon Wind of Houston, Texas, one of the largest wind power developers in the United States and also owned by portuguese utility EDP (energias de portugal, S.A.), a leading renewable energy developer in the world. The contract calls for delivery of 200 MW of turbine capacity in 2008 and another 200 MW of capacity in 2009.