Deutsche Bucht offshore wind farm

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"German Bight" wind farm
location
Deutsche Bucht offshore wind farm (North Sea)
Deutsche Bucht offshore wind farm
Coordinates 54 ° 18 '18 "  N , 5 ° 47' 56"  E Coordinates: 54 ° 18 '18 "  N , 5 ° 47' 56"  E
country Germany
Waters North Sea
Data
Type Offshore wind farm
Primary energy Wind energy
power 260.4 MW
owner Northland Power
operator Northland German Bight GmbH
Start of operations 2019
founding 31 × monopiles
turbine 31 × MHI Vestas V164 -8.4MW
Energy fed in planned 1,100 GWh
Website German Bight
was standing April 2020
f2

The offshore wind farm Deutsche Bucht is an offshore wind farm in the German Exclusive Economic Zone in the North Sea . The wind park has 31  wind turbines with a total output of 260.4  MW .

location

The wind farm is located 95 kilometers northwest of the East Frisian island of Borkum , west of the Veja Mate offshore wind farm that is already located there . The North Sea has a water depth between 38 and 40 meters there.

history

At the request of Eolic Power GmbH in Bremen on 23 June 2004, from 26 February 2010 the Federal Maritime and Hydrographic Agency , the construction and operation of 42 wind turbines on the basis of (BSH) Offshore Installations approved. In 2012 the project was sold by the Windreich company to the project developer Highland . The modified project with 31 wind turbines for 8.4 MW was approved by the BSH on June 30, 2017 , for the new developer British Wind Energy GmbH in Hamburg.

At the request of British Wind Energy GmbH (now: Northland Deutsche Bucht GmbH ) and on the basis of Section 118 (19) EnWG , the Federal Network Agency granted network connection authorization for two additional wind turbines in December 2016. Because of the special mono- bucket foundations , these two wind turbines are considered pilot projects and are preferably eligible for connection. In May 2018, the developer was given the approval to erect and operate the two wind turbines.

On July 15, 2018, a safety zone was set up at a distance of 500 meters around the locations of the planned wind turbines. The Dutch Van Oord Group was commissioned as the general construction company. The offshore work began in September 2018 with the installation of the foundations. The 31 monopiles manufactured in the Rostock plant of EEW Special Pipe Constructions were taken over by the crane lift ship Scylla at the new berth 4 of the Cuxport Terminal in Cuxhaven , transported to the construction site and brought there by the beginning of January 2019. The 26-meter-long transition pieces (transition pieces between the foundations and the actual wind turbine towers) that were also mounted on it were previously delivered from Spain to Cuxhaven and temporarily stored there. From spring 2019, the medium-voltage cables were laid between the foundations and the transformer platform installed at the beginning of April 2019 . From the beginning of June 2019, the 31 turbines were installed on the monopile foundations. On July 29, 2019, electricity was fed into the grid for the first time. At the end of September, all 31 monopile systems were already in operation.

The installation of the two other turbines should then take place, as the two mono-bucket foundations were still in production at Bladt Industries in Denmark in summer 2019 . Installation was scheduled for the fourth quarter of 2019. In March 2020, Northland Power announced that the mono-bucket foundations would not be installed due to technical difficulties, leaving 31 wind turbines.

financing

The investment volume of the project is 1.3 billion euros. KfW IPEX-Bank is responsible for financing the debt capital of EUR 900 million . The operator and investor is the Canadian energy supply company Northland Power . It represents a total of EUR 400 million in equity.

Wind turbines

The wind farm is expected to produce around 1,000 gigawatt hours of electricity annually. 31 wind turbines of the type MHI Vestas V164 are used . These have an output of 8.4 MW and a rotor diameter of 164 meters.

Offshore wind farms and their grid connections in the German Bight

Network connection

Converter platform BorWin beta in the Warnow shipyard Warnemünde 2013

The wind turbines are connected to a transformer platform in the wind farm via medium-voltage cables , which transforms the three-phase alternating current (three-phase current) from 33  kV to high voltage of 155 kV. From there, the electricity is fed to the BorWin2 offshore HVDC system operated by the transmission system operator Tennet TSO via a submarine cable connection . The Veja Mate and Albatros offshore wind farms are also connected to the BorWin beta converter platform . After conversion into direct current , the transmission takes place over 200 km (of which 125 km submarine cable and 75 km underground cable ) to the converter station Diele bei Diele (Weener) . The BorWin2 offshore HVDC system was supplied by Siemens , is designed for a connected load of 800 MW and went into operation in 2015.

business

Northland Power uses a site in Eemshaven as a maintenance and service base.

See also

Web links

Individual evidence

  1. ↑ Notification of approval. (PDF) In: Federal Maritime and Hydrographic Agency . February 26, 2010, accessed May 28, 2019 .
  2. Planning approval for the offshore wind energy park “Deutsche Bucht”. (PDF) (No longer available online.) In: Federal Maritime and Hydrographic Agency . June 30, 2017, archived from the original on September 27, 2017 ; accessed on September 27, 2017 .
  3. Allocation of connection capacity for pilot wind turbines according to Section 118 (19) EnWG. (PDF) In: Federal Network Agency . December 21, 2016, accessed May 28, 2019 .
  4. Testing of mono-bucket foundations in commercial operation . In: Schiff & Hafen , issue 10/2018, p. 42
  5. NfS 26/2018 of June 29, 2018, part 4 communications, p. 4.2, BSH , Hamburg / Rostock 2018, ISSN  0027-7444
  6. Start of construction in the offshore wind farm Deutsche Bucht . In: Renewable Energies. Das Magazin , September 4, 2018, accessed on September 5, 2018
  7. Eckhard-Herbert Arndt: “German Bight” triggers a large order · EEW Special Pipe Constructions deliver 31 monopiles to Van Oord . In: Daily port report from August 24, 2017, pp. 1 + 4
  8. New berth 4 is the installation port for “German Bight” . In: Schiff & Hafen , issue 10/2018, p. 44
  9. Wolfhart Fabarius: First construction phase completed · All foundations have been installed in the Deutsche Bucht offshore wind farm . In: Daily port report from January 10, 2019, p. 14
  10. Wolfhart Fabarius: Substation for the German Bight . In: Daily port report of April 8, 2019, p. 13
  11. Deutsche Bucht offshore wind farm supplies first power to the grid . In: Presseportal.de , July 29, 2019, accessed on January 27, 2020
  12. Deutsche Bucht Monopile Foundation Turbines Up and Running . In: Offshorewind.biz , September 30, 2019, accessed January 27, 2020
  13. ↑ The offshore wind farm "Deutsche Bucht" feeds in electricity for the first time . In: Schiff & Hafen , issue 9/2019, p. 45
  14. ^ Northland Cancels German Bight Mono Bucket Project . In: offshoreWIND.biz , March 17, 2020, accessed on April 3, 2020
  15. TenneT BorWin2. Retrieved May 7, 2019 .
  16. Factsheet: BorWin2 network connection. (PDF) Siemens, January 2015, accessed on May 7, 2019 .