American Superconductor receives order for two D-VAR® voltage regulation systems for Saskatchewan wind farm

WESTBOROUGH, Mass., Nov. 5, 2004 (PRNewswire-FirstCall) — American Superconductor Corporation, an electricity solutions company, announced an order for two D-VAR voltage regulation systems and ancillary equipment for use in a 150-megawatt (MW) Rushlake Creek wind farm in Saskatchewan, Canada. When completed in December 2005, the project is expected to generate enough zero emission energy to meet the electrical needs of approximately 64,000 homes.

The D-VAR systems have been ordered by Vestas Americas, a division of Vestas Wind Systems A/S, the world’s largest supplier of wind turbines. This is the second wind farm in which Vestas wind turbines are being used in combination with AMSC’s D-VAR voltage regulation systems. The AMSC order is

part of a turnkey package that includes 83 Vestas V80/1.8-MW wind turbines purchased by SaskPower International, Inc. from Vestas.

“The D-VAR system, with its unique overload capability, is a very good fit for the requirements at this site,” said Steve Saylors, Vestas’ Chief Electrical Engineer for Vestas Americas. “We chose the D-VAR system after a thorough evaluation of competing technologies. The full dynamic capabilities of this solution give us the ability to make certain the wind farm meets the standards for interconnecting with the local electrical power grid.”

Rushlake Creek is approximately 16 miles southeast of Swift Current, Saskatchewan. AMSC is providing Vestas with two D-VAR systems, each rated at 8 megaVARs (MVAR) of reactive compensation with a 24 MVAR overload capability. AMSC also has bundled capacitor banks and other equipment in the voltage regulation solution, which it sourced from outside vendors.

By dynamically restoring voltage during electrical faults that can occur on the local power grid, and also by regulating voltage during normal operation, the D-VAR systems allow a wind farm to meet strict requirements for interconnecting generation sources to the grid. The D-VAR systems and ancillary equipment will be located in the substation that connects the wind farm to SaskPower’s transmission grid (for more information on AMSC’s D-VAR voltage regulation solution see

“We are extremely pleased to have been selected by Vestas as the vendor of choice to supply voltage control equipment for this important project,” said Chuck Stankiewicz, vice president and general manager of AMSC’s Power Electronic Systems business unit. “We are seeing a tremendous demand for our

wind farm solutions both in North America and Europe. This latest order from Vestas further cements our standing as the premier supplier of integrated dynamic voltage control solutions.”

Financial terms of the sale were not disclosed. The SaskPower International wind farm is expected to be operational in fall of 2005.

About Vestas Americas

In 2004, Vestas Americas is proud to earn 100% market share in Canada. It is a subsidiary of Vestas Wind Systems A/S, headquartered in Randers, Denmark. Vestas is the world leader in wind technology and a driving force in the development of the wind power industry. Vestas’ core business comprises the development, manufacture, sale, marketing and maintenance of wind power systems that use wind energy to generate electricity and has been manufacturing wind turbines since 1979.

Vestas employs more than 9,500 employees around the world and has production facilities in Denmark, Germany, India, Italy, Scotland, England, Spain, Sweden, Norway, and Australia. Vestas and affiliated companies controlled 35% of the global market share of wind-generated energy in 2003. Vestas Wind Systems A/S’ shares are listed on the Copenhagen Stock Exchange.

About American Superconductor Corporation

AMSC is a world-leading supplier of dynamic reactive power grid stabilization products and the world’s principal vendor of high temperature superconductor (HTS) wire and large rotating superconductor machinery. AMSC’s power electronic converters and HTS wire are at the core of a broad range of new electricity transmission and distribution, transportation, medical and industrial processing applications, including dynamic reactive power grid stabilization solutions, large ship propulsion motors and generators, smart, controllable, superconductor power cables and advanced defense systems.

The company’s products are supported by hundreds of patents and licenses covering technologies fundamental to Revolutionizing the Way the World Uses Electricityâ„-. More information is available at

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