Siemens launches new onshore WTGs

4 April 2019

 The Siemens Gamesa onshore portfolio has been enlarged with the launch of the company’s new 5.X platform. It features a rotor that at 170m is said to be the largest in the onshore industry.

The new range encompasses two models: the SG 5.8-155 and the SG 5.8-170.  They are the largest capacity models in the Siemens Gamesa onshore portfolio, at 5.8 MW rated capacity, and feature the largest rotor diameters, 155 and 170 m, designed to produce maximum performance across the entire range of wind conditions.

The SG 5.8-155 expands the swept area by 14% with respect to the SG 4.5-145, and annual energy production (AEP) by over 20% at a wind speed of 8m/s; the SG 5.8-170 features an increase of over 37% in swept area and more than 32% in AEP (at 7 m/s) when compared with the SG 4.5-145.

With a highly flexible design the new platform’s versatility is said to make it suitable for a broad range of sites. The WTGs incorporate ‘hallmark’ Siemens technology, such as a doubly-fed generator, partial converter and a compact drive train designed with a three-stage gearbox.

Mark Albenze, Onshore & Service CEO at SGRE, added: “The new Siemens Gamesa 5.X's high and flexible power rating coupled with the two rotor options make this platform suitable for any kind of site across the globe. Designed for future modular upgrades to meet the evolving demands of the market, it will allow the company to assist customers in reaching their profitability goals through best-in-class performance and LCoE”.”

The first prototype installation of the SG 5.8-155 is planned for mid-2020, and production is scheduled to commence in Q4 2020. For the SG 5.8-170, the first prototype is planned for Q3 2020 and production will start in Q1 2021.



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