SG 6.6-155

Onshore wind turbine

Reaching new heights at medium & high wind

The SG 6.6-155 wind turbine combines technology with benchmark performance and proven reliability. It is part of Siemens Gamesa 5.X onshore platform and offers you an outstanding value proposition.

Customer Contact

Would you like to know more about the SG 6.6-155? Are you interested in partnering up with Siemens Gamesa? Please contact us!

comercial_consultas@siemensgamesa.com

Download the product brochure

Rotor diameter

155 m

Nominal power

Up to 6.6 MW

Technology

Geared

Special features

OptimaFlex

Key Facts

Greater AEP per wind turbine and optimized CAPEX for the project
Flexible design for logistics, construction and service resulting in lower cost of energy (LCoE)
Optimal solution for each project and site can be configured

Recommended for

Medium and high wind, onshore location

Other models in the platform

Model	Rotor Dia.	Wind type
SG 6.6-170	170 m	For low and medium
SG 7.0-170	170 m	For medium and high

Design excellence combined with proven wind turbine technology

SG 5.8-155 wind turbine for onshore projects — Siemens Gamesa 5.X goes one step further to become the new generation platform that combines a flexible power output from 5.6 MW to 7.0 MW with two of the largest rotor diameters in the market, 155 and 170 meters, resulting in maximum performance in high-, medium- and low-wind conditions

Strong wind in grass field — The SG 6.6-155 onshore wind turbine uses advanced control strategies that enable intelligent load reduction and a greater applicability in different wind conditions and sites.

Technical specification

Rated power	6.6 MW
Flexible power rating	From 5.6 MW to 6.6 MW available
IEC class	IIA (20 years lifetime), IIB (25 years lifetime) and IA (25 years lifetime)
Control	Pitch and variable speed
Rotor diameter	155 m
Swept area	18,869 m²
Tower height	90, 102.5, 107.5, 122.5, 165 m and site-specific
Technology	Geared
First prototype	2021

Proven technology for onshore wind projects: the Siemens Gamesa 5.X platform

The new Siemens Gamesa 5.X onshore platform has its roots in Siemens Gamesa technology, synonymous with innovation, know-how and reliability accredited through experience. The Siemens Gamesa 5.X platform incorporates proven technologies, minimizing risk and guaranteeing reliability for its three new product models: SG 6.6-155, SG 6.6-170 and SG 7.0-170 wind turbines.

These include a doubly-fed generator and partial converter combination, a compact drive train design with a three-stage gearbox, and the use of components widely validated on our platforms. The result is a wind turbine design that gives optimum performance and LCoE.

More about the SG 6.6-170

More about the SG 7.0-170

Technological highlights

Reliable geared technology

Our onshore approach is focused on geared technology, in which we have extensive knowledge and expertise. The hallmarks of Siemens Gamesa turbines are: reliability, robustness and a modular, flexible design for optimum adaptation and maximization of production at any site and in all wind conditions.

OptimaFlex

Thanks to OptimaFlex technology, we go beyond the traditional off-the-shelf approach that results in products that are sub-optimal for many sites, and we deliver a uniquely tailored solution that is perfect for our customers’ specific needs. Optimized site design combined with a customizable product platform, based on flexible power rating, site specific towers and optimized BoP solutions, allow Siemens Gamesa to deliver reduced LCoE by increasing AEP while optimizing cost.

Download OptimaFlex brochure

DinoTails® Next Generation

As an aerodynamic blade add-on, DinoTails® Next Generation reduces the sound power levels by using a serrated trailing edge mounted at the blade and adding finer combs in between the teeth. This world-leading noise reduction technology enables us to create value for our customers by maximizing AEP and reducing the LCoE in sites with noise constraints.

RecyclableBlade

The pioneering RecyclableBlade is an option based on our proven IntegralBlade® technology and manufacturing follows the exact same process with only a change of resin. The new resin is as strong and reliable as before, but with added recyclability benefits. After reaching end-of-life and decommissioning the blade materials can be separated and recycled in new applications.

GreenerTower

GreenerTower is an option, which focuses on achieving significant CO2 equivalent reductions in the steel plate production for steel towers. For the GreenerTower, a maximum of 0.7 tons of CO2 equivalent emissions are permitted per ton of steel. This means a CO2 reduction on the tower steel plates of at least 63% compared to conventional steel production.

Downloads

Read more about the Siemens Gamesa 5.X platform

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Download the Siemens Gamesa 5.X. product brochure

The best product for each onshore project

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Siemens Gamesa onshore technology

Onshore technological solutions

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Onshore technological solutions

Need Help?

If you’re interested in becoming a client

The solutions we provide are driven by the benefits they deliver. This applies as much to our pursuit of absolute safety as to maximizing your return. Whether by inventing a new technology, evolving an existing product, or simply finding a smarter way of working, we strive to lower costs and raise returns on investments.

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If you’re an existing client

Our experts are on hand to help with any questions you have. Email us or login to our customer portal. Here you’ll be able to monitor configuration, production, and agreements for your wind power plants, and find relevant news from Siemens Gamesa Renewable Energy.

If you want to know more about our onshore business

Operating in around 90 countries, Siemens Gamesa offers an extensive range of onshore wind turbine technologies to cover all wind classes and site conditions. By listening to our customers - and backed up by over 40 years of experience - we know just what it takes to develop and manage a successful onshore project.

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