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An overview of Sofia Offshore Wind Farm: Where the project is, what it comprises and how it works.
Wind Farm Site
Indicative Export Cable Corridor
National Grid Substation
Indicative Onshore Cable Route
In terms of components, the wind farm will comprise 100 turbines, an offshore converter station and hundreds of kilometres of both inter-array and export cables, as well as onshore electrical infrastructure.
A total of 100 turbines will be installed on site. They will be Siemens Gamesa 14MW machines, each standing 262 metres tall, that's just 50 metres less than the UK's tallest building, The Shard.
Each turbine will sit on a monopile foundation that will be securely driven into the seabed. The offshore converter station will sit atop a jacket foundation, also piled into the seabed.
OFFSHORE ELECTRICAL INFRASTRUCTURE
A network of approximately 370 kilometres of inter-array cables will transport power from the turbines to the wind farm’s offshore converter platform. Here, at the heart of the wind farm, the electricity will be converted from 66kV alternating current to 320kV direct current. Two approximately 220 kilometre long export cables - forming a single high voltage direct current circuit - will bring the power from the wind farm to the Teesside coast.
ONSHORE ELECTRICAL INFRASTRUCTURE
Two 7km DC cables - forming a single high voltage direct current circuit - will carry power from landfall to a new converter station adjacent to the Wilton Complex, near the village of Lazenby. A further six 2km AC cables will transmit power to the existing National Grid substation at Lackenby.