---
title: "Seagreen"
source: https://hafrok.com/projects/uk-seagreen/
identifier: uk-seagreen
updated: 2026-10-13
---

# Seagreen

Source: https://hafrok.com/projects/uk-seagreen/  
Data as of: 2026-10-13

Suction bucket jacket foundations. World record for deepest bottom-fixed at 58.7m.

| Field | Value |
|---|---|
| Country | United Kingdom |
| Sea basin | North Sea |
| Capacity | 1075 MW |
| Turbines | 114 |
| Lifecycle stage | Operational |
| Owners | SSE Renewables · TotalEnergies · PTTEP |
| Coordinates | 56.588, -1.741 |
| Commercial operation (announced) | 2023-Q4 |

## Milestones

- **Consent applied** — 2012-10 (achieved)
- **Consent granted** — 2014-10 (achieved)
- **Final investment decision** — 2020 (achieved)
- **Onshore construction** — 2020 (achieved)
- **Offshore construction** — 2021 (achieved)
- **First power** — 2022-Q3 (achieved)
- **Commercial operation** — 2023-Q4 (achieved)

## Offtake

CfD-backed offtake

- **CfD · AR3** — £41.611/MWh · 2012 real · CPI-indexed · awarded 2019-09 · 15-year term

## Sources

Every figure above traces to one of these. Quoted passages are held but not republished; follow the link for the original wording.

- SSE Renewables, date not stated — https://www.sserenewables.com/offshore-wind/operational-wind-farms/seagreen/
- Marine Scotland (Marine Directorate), date not stated — https://marine.gov.scot/sites/default/files/owf_dslp.pdf
- Marine Scotland (Marine Directorate), 2014-10 — https://marine.gov.scot/ml/seagreen-alpha-and-bravo-offshore-wind-farms
- UK Department for Business, Energy & Industrial Strategy (BEIS), 2019-09-20 — https://www.gov.uk/government/publications/contracts-for-difference-cfd-allocation-round-3-results/contracts-for-difference-cfd-allocation-round-3-results
- TotalEnergies, 2023-12-21 — https://totalenergies.com/news/press-releases/scotland-totalenergies-farms-down-255-seagreen-offshore-wind-farm-pttep
- offshoreWIND.biz, 2022-08-23 — https://www.offshorewind.biz/2022/08/23/scotlands-largest-offshore-wind-farm-produces-first-power/
- reNEWS, 2023-10-17 — https://renews.biz/88853/seagreen-enters-full-commercial-operation/
- TotalEnergies, 2023-10-17 — https://totalenergies.co.uk/totalenergies-commissions-its-biggest-offshore-wind-farm
- DTU Wind Energy / World Bank (Global Wind Atlas), 2026 — https://globalwindatlas.info/
- SSE plc, 2020-06-03 — https://www.sse.com/news-and-views/2020/06/sse-renewables-seagreen-project-kick-starts-scotlands-green-recovery/
- SSE plc (RNS via Investegate), 2023-05-24 — https://www.investegate.co.uk/announcement/rns/sse--sse/preliminary-results-for-the-year-to-31-march-2023/7540093
- Department for Energy Security and Net Zero, 2026-05-06 — https://assets.publishing.service.gov.uk/media/69fc56908cc72d2f863ea58d/REPD_publication_Q1_2026.csv
- National Energy System Operator (NESO), 2026-07-21 — https://api.neso.energy/dataset/cbd45e54-e6e2-4a38-99f1-8de6fd96d7c1/resource/17becbab-e3e8-473f-b303-3806f43a6a10/download/tec-register-21-july-2026.csv
- Scottish Government Marine Directorate (MD-LOT), 2026-08-23 — https://marine.gov.scot/?q=marine-projects
- Companies House, 2025-12-15 — https://find-and-update.company-information.service.gov.uk/company/06873902/filing-history/MzQ5Mzk2MDYyOWFkaXF6a2N4/document?format=pdf
- BEIS (gov.uk), 2019-09 — https://assets.publishing.service.gov.uk/media/5f566aff8fa8f5107025c055/cfd-ar3-results-corrected-111019.pdf

---

Hafrok · https://hafrok.com/projects/uk-seagreen/ · please cite the page you took a figure from.