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GL Renewables Certification (GL RC) has awarded Siemens a "provisional type certificate" for the manufacturer's 6 MW offshore wind turbine.

According to GL RC, the certificate is a milestone toward the final certification of the wind turbine. It attests the conformity of the wind turbine design, manufacturing and testing processes for all safety relevant items with the normative references, the company adds.

Siemens’ first SWT-6.0 was installed in 2011 at a test site in Denmark with a 120-meter rotor. The second 6 MW prototype, with a 154-meter rotor, was installed in 2012 at another Danish test center. This January, Siemens installed two additional SWT-6.0 prototypes in the British offshore wind power plant at DONG Energy’s demonstration project Gunfleet Sands III. Both turbines for this project are equipped with the 120-meter rotor.

GL RC is contracted to carry out the type certification of Siemens’ 6 MW offshore turbine. The company says type certification is required in many countries around the world and is often a condition to apply for international wind power plant tenders.




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