RENEWABLE ENERGY


The Walney Extension: due to be fully operational later in 2018


Walney Extension, located off the Cumbrian coast in north­ west England, features 40 of MHI Vestas’ V164­8MW turbines, uprated to 8.25MW, and 47 units of Siemens Gamesa’s SWT­7.0­154. The project is due to be fully operational in the second half of 2018 once the turbines and substations are commissioned. It marks the first commercial use of Siemens Gamesa’s 7MW turbine, reports UKPN.


A


ll 87 turbines were installed in two phases by Seajack’s Scylla vessel, with MHI Vestas’ turbines in the west of the development zone installed


first, and then Siemens Gamesa’s turbines to the east. Ørsted effectively split the project into two


phases because the site has two distinct areas with differing features. Walney Extension programme director Andrew Cotterell said: “We’re delighted to announce that all 87 turbines have been installed. It’s thanks to the hard work of all the teams involved, both within Ørsted and our partner contractors, that we have successful- ly reached this significant milestone on schedule. He explains: “We are now focussed on completing construction and looking forward to seeing the world’s largest wind farm brought safely into commercial operation


The Siemens Gamesa SWT-7.0-154.


celebration of how the wind industry is developing and what can be achieved in a very short space of time when we work in partnership. “The first of our turbines at Walney Extension was installed as recently as the as the beginning of January and the wind farm is now up. This demonstrates why the cost of offshore energy has come down significantly and is now an affordable solution for the UK consumer. This is an industrial success story driven by Ørsted and its partners, and one that Siemens Gamesa is proud to be part of.” The wind farm is expected to commence operations later tin 2018 after the turbines and substations are commissioned. Walney Extension, which is owned by


Ørsted (50%) and PFA (25%) and PKA (25%), overtakes the 630MW London Array located off England’s south-east coast as the world’s largest installed offshore wind farm. mhivestasoffshore.com www.siemensgamesa.com


28 MAY‐JUNE 2018 UK POWER NEWS


later this year.This demonstrates why the cost of offshore energy has come down significantly and is now an affordable solution for the UK consumer.” The 659MW wind farm features turbines supplied by MHI Vestas and Siemens Gamesa. MHI Vestas has installed 40 turbines (V164-8MW) while Siemens Gamesa installed the remaining 47 turbines (SWT-7.0-154) at the site. The MHI Vesta 8 MW wind turbine is part


of a product portfolio designed to deliver affordable offshore wind power. The turbine itself is based on the V164-8.0 MW, a model already installed at the 258 MW Burbo Bank Extension, and which has a firm order book of over 1.6 GW. Siemens Gamesa Renewable Energy UK managing director Clark MacFarlane said: “The installation of the 47th and final 7MW turbine at Walney Extension is another


“The 659MW Walney Extension wind farm features turbines from MHI


Vestas and Siemens Gamesa.“


MHI Vestas V164-8MW turbine.


The Siemens Gamesa SWT-7.0-154.


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