A final investment decision has been made to build a 1.2 gigawatt wind power plant off the coast of Yorkshire that will be the largest in the world.
Once completed, the Hornsea Project One, consisting of 174 seven-megawatt wind turbines, will generate enough electricity to power one million homes. Each of the farm's turbines will be 190m tall, which is more than London’s Gherkin building.
The development, by DONG Energy, will also require construction of the world’s largest electrical system. With more than 900km of cables, this system will bring electricity produced by the plant some 120km away from the shore onto land and feed it into the national grid.
"It is ground-breaking and innovative, powering more homes than any offshore wind farm currently in operation,” said Brent Cheshire, DONG Energy UK's country chairman. "Hornsea Project One is a world-leading infrastructure project being built right here in the UK. We are making a major financial investment to construct this giant wind farm and this underlines our commitment to the UK market.”
The construction of the plant, to be completed by 2020, will provide 2,000 jobs with a further 300 to be created once the plant is operational.
Turbines for the plant that will span 407 square kilometres will be supplied by Siemens while an onshore substation will be built by Balfour Beatty as part of a £25m contract.
DONG Energy also has the rights to Hornsea Project Two and Hornsea Project Three, which have a potential offshore wind power capacity of 3GW in total.
"To have the world's biggest ever offshore wind farm located off the Yorkshire coast is hugely significant, and highlights the vital role offshore wind will play in the UK's need for new low-carbon energy," Cheshire said.