---
title: "Gwynt Glas"
source: https://hafrok.com/projects/uk-gwynt-glas/
identifier: uk-gwynt-glas
updated: 2026-10-13
---

# Gwynt Glas

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

Crown Estate Round 5. EDF-ESB joint venture. Off South Wales/SW England. Part of 4.5GW Celtic Sea floating program.

| Field | Value |
|---|---|
| Country | United Kingdom |
| Sea basin | Celtic Sea |
| Capacity | 1500 MW |
| Lifecycle stage | Early Development |
| Owners | EDF Renewables UK · ESB · Sumitomo Corporation |
| Commercial operation (developer guidance, convention year) | 2037 |
| Commercial operation (Hafrok's expected year) | 2037 (range 2037–2044) |
| Chance of delivery | Prospective (weight 0.524) |

## Milestones

- **Commercial operation** — 2037 (expected)

## Offtake

No offtake secured — route to market open


## Sources

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

- The Crown Estate, 2025-06-19 — https://www.thecrownestate.co.uk/our-business/marine/round-5
- The Crown Estate, 2025-10-07 — https://www.thecrownestate.co.uk/news/next-milestone-achieved-for-round-5-in-the-celtic-sea
- EDF Renewables UK, 2025-06-18 — https://www.edf-powersolutions.uk/media-centre/gwynt-glas-secures-site-in-the-crown-estate-leasing-round-5-auction/
- Gwynt Glas (EDF Renewables UK / ESB JV), 2026-06 — https://www.gwyntglasoffshorewindfarm.com/eng/about
- NESO, 2026-06-12 — https://api.neso.energy/dataset/cbd45e54-e6e2-4a38-99f1-8de6fd96d7c1/resource/17becbab-e3e8-473f-b303-3806f43a6a10/download/tec-register-12-june-2026.csv
- GEBCO Compilation Group, 2020 — https://www.gebco.net/data_and_products/gridded_bathymetry_data/
- DTU Wind Energy / World Bank (Global Wind Atlas), 2026 — https://globalwindatlas.info/
- Sumitomo Corporation, 2026-08-10 — https://www.sumitomocorp.com/en/asia-oceania/news/release/2026/group/21350
- Gwynt Glas Offshore Wind Farm, 2026-06-26 — https://www.gwyntglas.com/eng/news/25-eia-scoping-report-submitted-for-proposed-gwynt-glas-offshore-wind-farm
- Gwynt Glas Offshore Wind Farm, 2026-08-10 — https://www.gwyntglas.com/eng/news/26-gwynt-glas-offshore-wind-project-strengthens-development-and-welcomes-new-partner-sumitomo-
- Gwynt Glas Offshore Wind Farm, 2025-10-07 — https://www.gwyntglas.com/eng/news/19-gwynt-glas-signs-agreement-for-lease-with-the-crown-estate-marking-a-major-milestone-in-floating-offshore-wind-development-
- The Planning Inspectorate (PINS), 2026-08-23 — https://national-infrastructure-consenting.planninginspectorate.gov.uk/api/applications-download
- DESNZ (gov.uk), 2026 — https://www.gov.uk/government/collections/contracts-for-difference-cfd-allocation-round-8

---

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