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Manufacturers and turbines
Siemens-Gamesa SG 4.5-145
| Siemens-Gamesa SG 4.5-145 |  |
4.5 MW turbine - Class IEC  - Old model |
4.5 MW
⌀ 145 m
Onshore
IEC 
273 W/m²
General data 
| Manufacturer | Siemens-Gamesa |
| Name | SG 4.5-145 |
| Product range | |
| Rated power | 4.5 MW |
| Rotor diameter | 145 m |
| IEC class | |
| Market | Onshore |
| Swept area | 16,513 m² |
| Specific power | 273 W/m² |
| Specific area | 3.67 m²/kW |
| Number of blades | 3 |
| Power control | Pitch |
Availability
| Market availability | No more available |
| Start of production | |
| End of production | |
Rotor
| Maximum rotor speed | |
| Maximum blade tip speed | |
Gear box
| Drivetrain type | Geared |
| Stages | |
Generator
| Type | DFIG |
| Number | |
| Voltage | |
Tower
| Minimum hub height | |
| Maximum hub height | |
Databases  Manufacturers (229 entries) Turbines (2,091 entries) Power curves (901 entries) All databases |
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PDF Summary
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Legend #ND: no data #NA: not applicable |
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Update for this sheet 19 June 2026 |
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