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Siemens Gamesa to deploy next generation platform in Sweden

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Energy Global,

Siemens Gamesa will supply the SG 5.8-155 wind turbine. The first of the 35 units, all with flexible power rating operating at 6.6 MW, will be installed in the second quarter of 2021 at the Skaftåsen project in Sweden.

Project developer Arise AB and infrastructure investment manager Foresight Group LLP (Foresight) have chosen this latest generation of onshore turbines, combining reliability with maximum Annual Energy Production (AEP) for the lowest levelised cost of energy. With a 30-year full-service agreement, this new generation of onshore wind turbines will generate predictable revenue streams over its lifecycle, improving the business case of the project.

The 231 MW order marks the debut of the Siemens Gamesa 5.X platform, only months after its presentation in April 2019, during WindEurope Bilbao trade fair.

Siemens Gamesa 5.X will be the biggest unitary power on the market and have rotor diameters of 155 and 170 m, resulting in maximum performance in high-medium and low-wind conditions. Both turbines mean greater AEP per wind turbine and optimised project capital expenditure. This is also due to improved versatility, with a modular, flexible design for maximum ease of logistics, construction and operation and maintenance, as well as reducing the operation expense, which results in a lower cost of energy for projects.

To adapt successfully to temperatures that can reach -15º C in Fågelsjö, where the turbines will be installed, they will be delivered in the cold climate version of the platform, capable of withstanding -40°C and operating at temperatures as low as -30°C. The turbines will feature the STC, a turbine control software system also used for Siemens Gamesa offshore products, meaning that all enhancements can be transferred, facilitating the work of the service technicians.

The project was developed by Arise AB and was acquired by funds managed by Foresight, a UK-based renewable energy infrastructure investor.

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