A World First: Green Energy Delivered from Recyclable Turbine Blades

A World First: Green Energy Delivered from Recyclable Turbine Blades

Commercial installation of fully recyclable offshore wind turbine blades by Siemens Gamesa in Germany

Siemens Gamesa today celebrated the delivery of green energy from the world’s first turbine equipped with its RecyclableBlades. The first commercial installation of recyclable wind turbine technology recently took place at RWE’s Kaskasi power project in Germany.

It marks a turning point in the long-term sustainability of offshore wind power, Siemens Gamesa stated.

Marc Becker, CEO of the Siemens Gamesa Offshore Business Unit said: “We are proving that as the leaders of the offshore revolution, we are committed to making disruptive technology innovation commercially viable with the pace that the climate emergency demands.

"We’ve brought the Siemens Gamesa RecyclableBlade technology to market in only 10 months: from launch in September 2021 to installation at RWE’s Kaskasi project in July 2022.

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"This is impressive and underlines the pace at which we all need to move to provide enough generating capacity to combat the global climate emergency. This milestone marks a significant contribution to Siemens Gamesa’s target of having fully recyclable turbines by 2040.”

Wind turbine blades are made up of a combination of materials embedded in resin to form a strong, stiff structure. Utilizing Siemens Gamesa’s market-leading RecyclableBlade technology enables full reclaim of the blade’s components at the end of the product’s lifespan.

Separating the resin, fiberglass, and wood, among others, is achieved through using a mild acid solution. The materials can then go into the circular economy, creating new products like suitcases or flat-screen casings without the need to call on more raw resources.

Sven Utermöhlen, CEO Wind Offshore, RWE Renewables: “That we are testing in our offshore wind farm Kaskasi the world’s first recyclable wind turbine blades under operational conditions is a significant step in advancing the sustainability of wind turbines to the next level.

"The first turbine equipped with Siemens Gamesa’s RecyclableBlades is generating electricity. The expansion of renewable energies must be driven forward decisively."

The project is located 35 km north of the island of Heligoland in the German North Sea. It will be comprised of 38 SG 8.0-167 DD wind turbines, generating 342 MW of clean, renewable energy for up to 400,000 German households.

The RecyclableBlade technology is also available for the 108-meter long B108 blades used on the SG 14-222 DD offshore wind turbine and the massive 115-meter long B115 blades SG 14-222 DD turbines.

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