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Climate Action - Assisting business towards carbon neutrality

Siemens

Renewable energy sources

Siemens is committed to renewable energy sources, such as wind, water and geothermal energy. Offshore wind turbines, in particular, need to withstand extremely high stresses. This is why Siemens has developed a process to build a 52 metre long blade in one piece, without any adhesive joints. This enables the blades to withstand wind speeds of 10 metres per second and an air pressure of 100 tonnes. Siemens is building the world’s biggest wind park in Lynn and Inner Dowsing (UK), as well as many others all over the world. For instance, Siemens recently opened a rotor blade factory in Fort Madison in response to the rapid growth of the wind energy sector in the US. More than 6,300 wind turbines built by Siemens are currently operating around the world. Their combined output of 5.5 gigawatts is helping reduce CO2 emissions by 10 million tonnes per year, which is approximately the amount produced by one million Germans.

Siemens also has a long tradition in hydropower. In 1978, the company supplied the generators for the world’s biggest hydroelectric power plant in Itaipú, which is located between Brazil and Paraguay. Today, one-third of all electricity produced with carbon neutral hydropower is generated with technology from Voith Siemens Hydro.   

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