UK has completed Dogger Bank Wind Farm — the world's largest offshore wind complex off the Yorkshire coast — reaching full 3.6-gigawatt capacity across three phases and powering 6 million British homes with purely renewable electricity generated from the deep North Sea.
Dogger Bank uses 277 Siemens Gamesa SG 14-222 DD turbines spread across 1,720 square kilometres of shallow North Sea seabed between 125 and 290 kilometres offshore. Each turbine generates 14 megawatts continuously at peak wind, with the farm's combined output equivalent to removing 6 million tonnes of CO2 annually from UK electricity generation. The phased construction approach allowed early phases to generate revenue funding subsequent construction without additional government subsidy beyond the initial Contracts for Difference auction.
Dogger Bank demonstrates that offshore wind is now the cheapest form of new electricity generation in the UK at 37 pounds per megawatt-hour — below the operating cost of existing gas plants. The UK government has approved a further 7 gigawatts of North Sea offshore wind development at adjacent zones, with Dogger Bank establishing the engineering and logistics template for all subsequent large-scale North Sea development through 2035.
Source: SSE Renewables, Equinor, Vårgrønn, Nature Energy, 2025
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