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Onshore Direct Drive Wind Turbines SWT-3.2-108 and SWT-3.4-108

Higher output with larger rotor
0 m

Optimized for uncomplicated site conditions

Lower cost of energy in moderate to high wind conditions

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Product Information

Higher returns, lower costs

Onshore, high wind conditions require a turbine solution that can meet a variety of needs without increasing energy costs. Ideal for such circumstances, the SWT-3.2-108 and SWT-3.4-108 were designed to go beyond your needs and offer the highest returns. 


Superior design for superior performance

When winds are strong, but site conditions less complicated, you need a turbine that will bridge these factors. Presenting Siemens’ SWT-3.2-108 and SWT-3.4-108 direct drive onshore turbines, a superior combination of large rotor and robust design.


The B53 quantum blade of the 108 m rotor was the first full-scale application of Siemens’ innovative aero elastic blade design, which allows for a larger rotor diameter and higher energy output without increasing structural loads. Even more, the rotor’s weight did not increase in comparison to the B49 blade. As a result, the SWT-3.2-108 and SWT-3.4-108 turbine provides lower cost of energy at moderate to high wind conditions. 

Making good things even better

The 3.4-MW turbines are uprates of the tried and tested 3.2-MW direct drive turbines.

Small torque increase within capabilities of the gearless generator and an optimized magnet composition boost the rated power. And thanks to the greater rotor, the SWT-3.4-108 delivers even more energy than the SWT-3.4-101 and is therefore the ideal choice when there are no strict height restrictions – ensuring that your turbine is always working at optimum for your benefit. 

Technical specifications at a glance

Download table as: PDF Excel
SWT-3.2-108 and SWT-3.4-108
IEC Class IA
Nominal Power 3400 kW (SWT-3.2-108) / 3600 kW (SWT-3.4-108)
Rotor diameter 108 m
Swept area 9144 m2
Hub height 74.5 - 94 m
Annual output at 8.5 m/s 13,700 MWh (3.2 MW)/14,000 MWh (3.4 MW)

Technology Innovations

Download brochure for onshore direct drive turbines
D3 platform brochure

Downloads, Support, Services

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91058 Erlangen


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Service wind portfolio

Comprehensive care throughout the lifetime of your wind turbine. Discover the Siemens service wind portfolio. 

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Take the next step towards your success

If you think the SWT-3.2-108 or SWT-3.4-108 is the right turbine for your needs, please contact us. We look forward to talking with you.