Seagreen offshore wind farm
North Sea, off the coast of Angus, Scotland, UK · 2020–2023 (first power August 2022, fully operational October 2023) · £3 billion
The judgement call
Account-gated at launchAchieved the deepest fixed-bottom foundations for an offshore wind farm globally, pushing the boundaries of conventional offshore wind technology. - The project is Scotland's largest offshore wind farm, significantly contributing to the country's renewable energy targets.
Key engineering challenges
Installation of fixed-bottom foundations in record-breaking water depths (up to 58.6 meters). - Managing the logistics of installing 114 large turbines and an offshore substation. - Ensuring efficient power transmission from a site 27 km offshore.
Project facts
- Client / owner
- SSE Renewables (51%) and TotalEnergies (49%)
- Lead contractor
- Saipem (for foundations and installation), Seaway 7
- Lead designers
- Ramboll
- Project type
- new build
- Scale
- 1.075 GW (1075 MW) capacity; 114 Vestas V164-10.0 MW turbines; world's deepest fixed-bottom foundations (up to 58.6 meters)
- Disciplines
- civil; structural; mechanical; electrical; marine; geotechnical
- Standards & frameworks
- N/A
Sources: Seagreen Offshore Wind Farm: https://www.seagreenwindenergy.com/ - SSE Renewables: https://www.sserenewables.com/offshore-wind/operational-wind-farms/seagreen/ - TotalEnergies: https://totalenergies.com/company/projects/wind/seagreen-north-sea-scotland - Ramboll: https://www.ramboll.com/en-us/projects/energy/seagreen-offshore-wind-farm