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Giant windfarm on the way for UK

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Power company Ørsted has announced that construction has begun on what will become the largest offshore windfarm in the world- Hornsea Project One- which will be the first to exceed 1GW in capacity.
The first of the 174 monoppiles are currently being installed at the Hornsea Project One site.
(The first of the 174 monopiles are currently being installed at the Hornsea Project One site. Image via Ørsted).

Hornsea Project One will be located 120km off the Yorkshire coast, covering an area of approximately 407km2. When completed in 2020, the project will provide enough power for over 1 million homes.

At present, construction involves the installation of the project’s 174 monopiles- essentially large cylindrical steel tubes which extend into the seabed and serve as anchors for the turbines. To get an idea of the scale of these monopiles, consider that each one weighs around 800 tons, spans 65 metres and has a diameter of 8.1 metres.

Construction is currently being predominantly carried out by two ships- Innovation, a jack-up vessel which is installing the monopiles and; A2Sea’s vessel Sea Installer- which is set to join the project this March, installing the 7 megawatt (MW), 190m (623ft) tall wind turbines and turbine blades.
Hornsea Projet One alone will provide power for over 1 million homes.
(Image via Ørsted).

Not all the construction action is taking place offshore though.

According to Ørsted: “The onshore construction works are progressing well. The works at the substation site in North Killingholme are nearing completion and we have successfully moved and installed all the Supergrid transformers, reactors and electrical components that will operate the substation. These components will be undergoing electrical testing and commissioning over the next few months.”

And there’s more…

Ørsted is setting itself ambitious targets. Once Hornsea Project One is completed the company wants to construct another two windfarms. Hornsea Project Two will power up to 1.6 million homes, whilst Hornsea Project Three will follow shortly after.
A visualisation of the locations of Projects Hornsea One, Two and Three.
(A visualisation of the locations of Projects Hornsea One, Two and Three. Image via Ørsted).

Duncan Clark, programme director of the project is enthusiastic about the benefits Hornsea Project One, and eventually Two and Three, will bring:

“After years of planning it is fantastic to see the initial stages of offshore construction begin. My thanks to the teams working day and night on this significant milestone.”

“Onshore, we are continuing to construct the East Coast Hub which will serve as an operations and maintenance base for our existing wind farms in the area and both Hornsea Project One, and Project Two which we took a final investment decision on last year. These wind farms will not only greatly contribute to the UK’s goal of decarbonising our energy system, they are also bringing jobs and investment to Grimsby and the North East.”

Ørsted, formerly DONG Energy, is the world’s largest offshore wind farm developer. The UK is the company’s largest market and it currently has two operational wind farms off the east coast; Westermost Rough and Lincs. Race Bank, nearing the end of construction, will be officially opened later this year. Hornsea Project One and Two will follow, and combined will generate enough clean electricity for over 2.3 million UK homes.

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Recent Comments
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David Rothenburg , 07 February 2018
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djamila allouache, 10 April 2018
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Giant windfarm on the way for UK - Time to read 3 min
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