Siemens Gamesa Receives First Firm Order for Giant 14MW Offshore Wind Turbine

March 31, 2021

Offshore wind turbine maker Siemens Gamesa Renewable Energy (SGRE) has received its first firm order for its giant 14MW offshore wind turbine.

The order, from RWE, is for the supply of 100 units of its 14MW SG 14-222 DD offshore wind turbine, revealed last year, to the Sofia offshore wind farm in the UK.

RWE had previously picked Siemens Gamesa as the preferred supplier for the project, however, the firm order was subject to RWE making a final investment decision for the Sofia development. RWE announced the FID last week.

"Sofia represents a giant leap for the company; located 195 km off the UK’s northeastern coast on Dogger Bank in the North Sea, the project will be the first to install the company’s flagship 14 MW Direct Drive offshore wind turbine," Siemens Gamesa said Wednesday.

At 593 square kilometers, the Sofia project will cover an area greater than that of the Isle of Man and will utilize the  SG 14-222 DD offshore wind turbine commercially for the first time anywhere in the world.

"The development brings other milestones; the 100 turbines will be installed furthest from shore of any project yet undertaken by the company and will feature the world’s largest single-cast turbine blade at 108 m long," Siemens Gamesa said.

"Largest turbine in production"

"The B108 blades being used at Sofia are more than six times longer than the first offshore wind turbine blades ever installed, namely the 16-meter long blades used at Vindeby in Denmark in 1991. The 35-meter water depth, the distance from the UK’s coastline and the sheer scale of the turbine and its components make the stable, proven technology of Siemens Gamesa’s Direct Drive technology – where no gearbox is involved –an obvious choice for the Sofia wind power project. 

"The strong, reliable winds far from shore will enable the completed wind power project to power the equivalent of 1.2 million UK households," SGRE said.

Offshore construction works for the Sofia project will start in 2023 with turbine installation set to begin in 2025

Marc Becker, CEO of the Siemens Gamesa Offshore Business Unit says, “The UK is the world’s largest offshore wind market, so it is appropriate that it should be the first to install the world’s largest turbine in production, the SG 14-222 DD. We are proud to be partnering with RWE on another highly significant project, and to bring our industry-leading machine to this huge development. A wind power project of this scale is possible due to the cutting-edge use of technology in the turbines, in their manufacturing, and in installation. Rapid innovation of proven technology has made this leap in generating capacity possible – and with it a leap forward toward the goals of decarbonising energy and achieving Net Zero.”Credit: RWESven Utermöhlen, Chief Operating Officer Wind Offshore Global for RWE Renewables, said: “As a leading player in offshore wind, we are delighted to be the first company to sign a firm order with SGRE for these state-of-the-art offshore wind turbines, and that Sofia will be the first project to install them. The fact that our largest offshore wind project will utilise the most innovative and technologically advanced turbines, demonstrates RWE’s continued ambition to be a trailblazer at the forefront of the offshore wind sector. 

"We have previously partnered with SGRE on a number of our offshore wind projects, and we look forward to constructing a flagship project that will make a significant contribution both to expanding our renewables portfolio and to the UK’s ambition of growing offshore wind capacity to 40 gigawatts by 2030.”

According to SGRE, the giant leap forward in generating capacity is a critical tool in building a greener power infrastructure and a step forward to achieving Net-Zero.

"Although the Sofia development will cover an area equivalent to the Isle of Man, the generating capacity would power households the equivalent of 14 times the Isle of Man, or four times a city the size of Hull – the center of the UK’s offshore wind power industry," SGRE explained.

The firm order for Sofia is accompanied by a contract to undertake the service and maintenance of the 100 turbines.

While the Sofia will be the first wind farm to have SGRE's largest wind turbines installed, two further preferred supplier agreements for wind power projects employing the SG 14-222 DD turbine have been signed so far, totaling 2.94 GW.

Subject to firm order, SGRE will deliver the giant turbines for the 300 MW Hai Long offshore wind project in Taiwan and the 2.64 GW Coastal Virginia Offshore Wind project in the USA. 

First prototype in Denmark

"The enormous machines, with a capacity of up to 15 megawatts with Power Boost, a 222 m rotor diameter and overall height of 252 m, are able to bring utility-scale energy generation with far fewer turbines installed than was possible only a few years ago," SGRE said.

According to SGRE, the B108 blades take advantage of the IntegralBlade technology, as well as the superior Siemens Gamesa PowerEdge solution and lightning protection system. Recently produced, the first three B108 blades will be installed on the SG 14-222 DD prototype in Østerild, Denmark later in the calendar year 2021.

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