Siemens Gamesa Unveils New SG 2.7-129 Turbine For U.S. Wind Market

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Siemens Gamesa Renewable Energy (SGRE) has launched the new SG 2.7-129 wind turbine, designed to address the diverse wind conditions of the U.S. market.

According to SGRE, the SG 2.7-129 was developed with an eye toward increasing energy production for sites with medium to low wind conditions in the U.S. It features modularized components for increased flexibility and reliability, as well as a 2.75 MW rating and a 129-meter rotor, boasting an increased swept area of 16% over its predecessor, the SG 2.6-120.

Additionally, the SG 2.7-129 features a drive train that has been optimized to deliver maximum energy capture, the company says. The product design also incorporates several added safety and operational benefits related to the service and maintenance of the turbines, including increased accessibility of key components and access to the weather station from inside the nacelle.


Production of the SG 2.7-129 is expected to commence in the U.S. in early 2019. The blades will be manufactured at SGRE’s blade manufacturing facility in Fort Madison, Iowa, and the nacelles and hubs will be assembled at SGRE’s nacelle facility in Hutchinson, Kan.

“We are very excited to introduce the new SG 2.7-129 to our portfolio – the next generation in a fleet of turbines with a proven track record and high availability. With an increase of more than eight percent in annual energy production compared to its predecessor, this turbine will deliver greater returns and is another important step in reducing the levelized cost of energy,” says José Antonio Miranda, SGRE’s onshore Americas CEO. “This product is also unique in that it was co-designed to include best practices from both former companies, making it a best-in-class wind turbine for the U.S.”

The SG 2.7-129 is the latest addition to the Siemens Gamesa 2.X product platform. Along with the SG 3.4-132 and the SG 4.2-145 wind turbines, these products are aimed to address all the diverse needs of the U.S. market, says SGRE.

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