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Built on proven technology and continuous innovation
Developed specifically for medium to low wind sites and market conditions in America, the SG 2.9-129 builds on the robust and successful 2.3 MW geared product series to offer a 10.3% increase in annual energy production.

Rotor diameter 129 m
Nominal power 2.9 MW
Technology Geared
Wind class S

Key Facts
•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

Recommended for
Low to medium wind sites, onshore locations

Proven technology boosts capacity and simplifies maintenance

Designed for the diverse site conditions in the US

The SG 2.9-129 wind turbine is the latest Siemens Gamesa onshore turbine developed to meet the medium- to low-wind site and market conditions of the American market. To deliver the lowest Cost of Energy and maximize performance across various sites in the US, the SG 2.9-129 is designed with the higher capacity factor for our customers demand. This new model enhances our wind turbine catalog by demonstrating our ability to offer flexible solutions for every context.

Technological Highlights
Reliable geared technology
The nacelle is specifically designed to make the moving parts of the geared turbine easier to reach, helping to lower service costs and reduce work time. The fully enclosed asynchronous generator features a squirrel-cage rotor without slip rings, to extract the maximum energy yield.