
SG 2.9-129
Onshore wind turbine
Would you like to know more about the SG 2.9-129? Are you interested in partnering up with Siemens Gamesa? Please contact us!
onshoresales@siemensgamesa.com- Higher capacity factor for greater returns
- Proven technology, boosting capacity and simplifying maintenance
- Based on most robust and successful 2.3 MW product line, with more than 9,700 units installed
- Certified 25 years design lifetime, standard
Low to medium wind sites, onshore locations
Model | Rotor Dia. | Wind type |
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SG 2.1-114 | 114 m | For low to medium wind |
SG 2.2-122 | 122 m | For low wind |
SG 2.6-114 | 114 m | For medium to high wind |
General details | |
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Rated power | 2.9 MW |
Wind class | S |
Control | Pitch and variable speed |
Standard operating temperature | Range from -20ºC to 45ºC (1) |
Rotor | |
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Diameter | 129 m |
Swept area | 13,070 m² |
Power density | 221.88 W/m² |
Blades | |
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Length | 63.5 m |
Airfoils | Siemens Gamesa |
Material | Fiberglass reinforced with epoxy resin |
Tower | |
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Type | Tubular steel tower |
Height | 87 m and site-specific |
Gearbox | |
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Type | 3 stages |
Generator | |
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Type | Full scale converter |
Voltage | 690 V AC |
Frequency | 60 Hz |
Protection class | IP 54 |
Power factor | 0.9 CAP-0.9 IND throughout the power range (2) |
(1) Different versions and optional kits are available to adapt machinery to high or low temperatures and saline (C4) or dusty environments. Derating may apply under certain siting conditions above 30ºC.
(2) Power factor at generator output terminals on lower side of MV transformer.



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