AMSC Receives Its Largest Grid Interconnection System Order to Date; Vestas Chooses Amsc's Dynamic Grid Management Solution to Enable Steady, Reliable Power Flow from Australia's Largest Wind Farm; D-VAR(R) Solutions Connecting More Than One-Third of Australia's Wind Power to the Power Grid

ENPNewswire-5 April 2010-AMSC Receives Its Largest Grid Interconnection System Order to Date; Vestas Chooses AMSC's Dynamic Grid Management Solution to Enable Steady, Reliable Power Flow from Australia's Largest Wind Farm; D-VAR(R) Solutions Connecting More Than One-Third of Australia's Wind Power to the Power Grid(C)2010 ENPublishing - http://www.enpublishing.co.uk Release date- 01042010 - DEVENS, Mass., - American Superconductor Corporation (NASDAQ: AMSC), a global power technologies company, today announced that Vestas Australian Wind Technology Pty Ltd has placed an order with AMSC for a large D-VAR-based grid interconnection system. Utilizing 24 D-VAR modules integrated with external smart-switched capacitor banks and proprietary AMSC controls that are optimized for wind farm applications, this is AMSC's largest order for a grid interconnection system to date. The solution will be utilized to meet local grid interconnection requirements for the 206 megawatt (MW) Collgar Wind Farm under construction in Western Australia. AMSC expects to deliver the D-VAR equipment to Vestas within approximately 12 months. AMSC's grid interconnection solutions are already connecting more than one-third of Australia's wind power to the power grid.