Projects

Baltic Eagle Offshore Windfarm

Baltic Eagle offshore windfarm is a 476MW wind project located in the Baltic Sea, approximately 75km off the coast of Rugen Island, Germany.

Project Type

Offshore windfarm

Location

Baltic sea, offshore Rügen Island, Germany

Capacity

476MW

Estimated Investment

$1.25bn

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Baltic Eagle offshore windfarm is a 476MW wind project located in the Baltic Sea, approximately 75km off the coast of Rugen Island, Germany.

It is the second major offshore wind project that Iberdrola is developing in Germany after the 350MW Wikinger windfarm, which was commissioned in 2017.

Iberdrola was awarded the tender for the construction and operation of the Baltic Eagle windfarm in the second offshore wind power tender in Germany, in March 2018.

The geotechnical and geophysical investigations for the offshore wind site have been underway since September 2018.

Construction of the $1.25bn windfarm is expected to start in 2020, while its commissioning is expected in 2023.

Baltic Eagle offshore windfarm make-up

The Baltic Eagle offshore windfarm will be spread over an area of 40km² and will be operated through Mukran port on the Rügen Island.

The windfarm will use 52 units of MHI Vestas V174-9.5MW turbines, the latest version of 9MW platform offshore turbines from MHI Vestas. Baltic Eagle will be the first commercial offshore windfarm to utilise these turbines.

“Each turbine of the Baltic Eagle offshore windfarm will be capable of producing 9.5MW of electricity, which will be enough to power approximately 8,600 German homes.”

With a 174m-diameter rotor, 85m-long blades, as well as a 21m-long, 9m-wide and 9m-high nacelle, each V174-9.5MW turbine will have a swept area of 23,779m².

To be installed in 45m-deep waters, the hub and tip heights of each turbine will be 110m and 197m, respectively.

Each turbine of the Baltic Eagle offshore windfarm will be capable of producing 9.5MW of electricity, which will be enough to power approximately 8,600 German homes.

The electricity generated by each turbine will be supplied to the onsite offshore substation for further transmission.

Grid connection

The Baltic Eagle offshore windfarm will be connected to the grid through 220kV high-voltage alternating current (HVAC) export cables connecting the onshore substation in Lubmin.

The 270km-long HVAC export cable, to be laid as part of the Ostwind 2 offshore grid connection project, will connect the Baltic Eagle as well as the planned Arcadis Ost 1 offshore windfarms to the onshore substation.

German transmission system operator 50Hertz is responsible for the power evacuation and transmission infrastructure for the offshore windfarm.

Contractors involved

MHI Vestas Offshore Wind was awarded the contract to supply the wind turbines for the Baltic Eagle offshore windfarm in February 2019.

Boskalis was awarded the €250m ($283m) export cable installation contract for the Ostwind 2 offshore grid connection project in November 2018. NKT will supply the high-voltage export cable system for the project.

Peter Madsen Rederi (PMR) is responsible for boulder clearance and extensive survey works along the cable routes for grid connection, while DHI Group will provide metocean data.

OECOS provided environmental planning consultancy, while Fugro was contracted for geotechnical and geophysical investigations for the project.

Details of the mega wind complex in the Baltic Sea

The Baltic Eagle offshore windfarm, together with the Wikinger and Wikinger Süd offshore windfarms, will form the biggest offshore wind complex in the Baltic Sea. The mega project is being developed with a joint investment of €2.5bn ($2.8bn).

The Wikinger offshore windfarm was opened in 2017 with a capacity of 350MW, while the 10MW Wikinger Süd windfarm is currently under development. The three windfarms will collectively generate 836MW.

The energy generated by Baltic Eagle and Wikinger offshore windfarms will offset 1.65 million tonnes of carbon emissions a year, helping Germany reach its emission reduction targets.

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