Hohe See offshore wind farm

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Offshore wind farm "EnBW Hohe See"
location
Hohe See offshore wind farm (North Sea)
Hohe See offshore wind farm
Coordinates 54 ° 26 ′ 0 ″  N , 6 ° 19 ′ 0 ″  E Coordinates: 54 ° 26 ′ 0 ″  N , 6 ° 19 ′ 0 ″  E
country Germany
Waters North Sea
Data
Type Offshore wind farm
Primary energy Wind energy
power 497 MW
owner EnBW Energie Baden-Württemberg / Enbridge
operator EnBW Hohe See GmbH & Co. KG
Project start before 2006
Start of operations October 2019
turbine 71 × Siemens SWT-7.0-154
was standing January 2020
f2

The EnBW Hohe See wind farm (formerly Hochsee-Windpark Nordsee ) is an offshore wind farm in the North Sea . The wind farm is owned by EnBW Energie Baden-Württemberg and the Canadian energy company Enbridge and has an installed capacity of 497  MW . For this purpose, 71 were  wind turbines of the type Siemens SWT 7.0-154 with a rated power set up by each of 7 MW.

location

Location of the high seas within the wind farms in the German Bight

The area of ​​the EnBW Hohe See wind farm is located in the German exclusive economic zone of the North Sea, 90 km north of Borkum and 100 km northwest of Heligoland . It is located south-southeast of the offshore wind farm Global Tech I, which is already in operation . Despite the name, the area is not on the “ high seas ”, but on the continental shelf .

The offshore wind farm will be built on an area of ​​40.4 km² with water depths of around 39 meters.

history

The wind farm was approved by the Federal Maritime and Hydrographic Agency on July 5, 2006 at the request of EOS Offshore AG from Varel . The new name has existed since December 2, 2009. The license holder is now EnBW Hohe See GmbH & Co. KG in Stuttgart, formerly EnBW Nordsee Offshore GmbH .

In November 2012, EnBW put the project on hold due to legal uncertainties. As the reason for this decision, EnBW stated that it could not be ensured that the wind farm would be connected to the grid quickly. However, the group then continued planning. In February 2016, Siemens was selected as the preferred supplier for the 71 wind turbines (WTs) including the foundations, and a conditional contract was awarded. At this point in time, all other major orders had also been awarded. The final construction decision was made in February 2017 after the financing was secured. Among other things, EnBW won the Canadian energy company Enbridge as co-investors. Enbridge will own a stake of up to 49.9%.

On January 17, 2018, a safety zone was set up at a distance of 500 meters around the planned locations of the external wind turbines for the construction project so that construction work can begin on site. This safety zone is adjacent to the existing security zone around the OWP Global Tech I . The first foundation of the wind farm was installed in April 2018.

In July 2019, some of the wind turbines installed in the wind farm were already feeding electrical energy into the grid. The last wind turbines were erected in mid-August 2019. The official start of operation of the wind farm took place in October 2019.

Network connection

OWP high seas via high-voltage three-phase alternating current - submarine cable to the converter platform " BorWin gamma connected" at the southern tip of the OWP. From here, the HVDC “BorWin 3” leads the electrical energy gained to the Emden Ost converter station on land, in order to feed it into the 380 kV network.

technology

In total, the 71 wind turbines have an installed capacity of 497 MW.

Construction year number Type operator Hub height Rotor diameter Performance per system
2019 71 Siemens SWT-7.0-154 EnBW / Enbridge 105 m 154 m 7.0 MW

Maintenance ship

Siemens Gamesa and EnBW are using a special ship to maintain the Hohe See and Albatros offshore wind farms . The Bibby Wavemaster Horizon offers space for a crew of sixty, including up to 40 technicians, and can be on the road for up to a month in the wind farm before it has to return to its home port of Emden . The equipment for the workforce includes a fitness studio, an on-board canteen, a cinema and an on-board hospital. In order to enable the easiest possible transition from the ship to the platforms of the wind turbines, the ship has a height-adjustable, extendable gangway. The gangway is accessed via an elevator, the exit height of which is continuously adjustable between 9.5 and 28.5 m. The ship also has a special crane, the control of which automatically compensates for the ship's movements. Spare parts can be stored on pallets on the ship's foredeck. The service speed of the ship is 13.8 knots (approx. 25 km / h). The ship was officially put into operation in Hamburg in October 2019.

See also

Web links

Individual evidence

  1. a b c IWR: EnBW and Siemens sign a supply contract for 71 offshore wind turbines dated February 23, 2016
  2. Former project page "Nordsee" ( Memento of the original from March 4, 2016 in the Internet Archive ) Info: The archive link was automatically inserted and not yet checked. Please check the original and archive link according to the instructions and then remove this notice. @1@ 2Template: Webachiv / IABot / www.innovent-online.eu
  3. BSH approves 12th wind farm in the North Sea ( Memento of the original from January 20, 2016 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. @1@ 2Template: Webachiv / IABot / www.bsh.de
  4. Spiegel.de: EnBW stops billion dollar project , November 14, 2012
  5. Frank Binder: EnBW: Nordseeprojekt shares sold · Energy supplier can only increase earnings in the first quarter to a good 380 million euros through sale . In: Daily port report of May 17, 2017, p. 4
  6. EnBW completes financing for 497MW Hohe See . In: Windpower Offshore , February 17, 2017, accessed on February 18, 2017
  7. ^ Announcement of the Federal Maritime and Hydrographic Agency . In: NfS 51-52 / 2017, Part 4 / Mitteilungen, pp. 4.3–4.6, BSH O3, Hamburg / Rostock 2017, ISSN  1437-4048
  8. EnBW starts Hohe See and Albatros build . In: Windpower Offshore , April 11, 2018, accessed April 15, 2018.
  9. First stream from the marine wind park over 100 km off the coast . In: Renewable Energies. Das Magazin , July 18, 2019. Retrieved July 18, 2019.
  10. “EnBW Hohe See” offshore wind farm completely built | EnBW. Retrieved January 11, 2020 .
  11. EnBW brings Germany's largest wind power plant online | EnBW. Retrieved January 11, 2020 .
  12. Announcement for the grid connection of the wind farms "Hohe See", "Global Tech I" and "Albatros" in the area of ​​the German EEZ , BSH , July 13, 2018, accessed on July 13, 2018
  13. Iestyn hard Brich: Safety , in: VDI Nachrichten (2019), No. 46, pp 10-11, VDI Verlag GmbH, Dusseldorf.
  14. erneuerbareenergien.de: New ship for the largest German offshore project. October 25, 2019, accessed November 16, 2019 .