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

# Erebus

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

Test & Demonstration project. 49km off West Wales. WindFloat semi-submersible platforms. Max blade tip 270m. Up to 10 WTGs.

| Field | Value |
|---|---|
| Country | United Kingdom |
| Sea basin | Celtic Sea |
| Capacity | 100 MW |
| Turbines | 7 |
| Lifecycle stage | Advanced Development |
| Owners | Blue Gem Wind |
| Commercial operation (announced) | 2030 |
| Commercial operation (Hafrok's expected year) | 2030 (range 2027–2030) |
| Chance of delivery | Expected (weight 0.845) |

## Milestones

- **Consent applied** — 2021-12 (achieved)
- **Consent granted** — 2023-03-13 (achieved)
- **Commercial operation** — 2030 (expected)

## Offtake

CfD-backed offtake

- **CfD · AR7** — £155.37/MWh · 2012 real · CPI-indexed · awarded 2026-01 · 20-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.

- unknown, date not stated — https://www.bluegemwind.com/our-projects/erebus/
- 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
- Welsh Government, 2023-03-13 — https://www.gov.wales/consent-granted-for-wales-first-floating-windfarm
- DESNZ, 2026-01 — https://assets.publishing.service.gov.uk/media/6966861de8c04eb2919f773a/contracts-for-difference-allocation-round-7-results-.pdf
- reNEWS, 2024 — https://renews.biz/83900/totalenergies-simply-blue-secure-100mw-erebus-licence/
- Blue Gem Wind (developer), 2025 — https://www.bluegemwind.com/our-projects/erebus/
- 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/
- 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
- Blue Gem Wind, 2021-12-20 — https://www.bluegemwind.com/news/celtic-sea-pioneer-submits-consent-applications-for-erebus-floating-offshore-wind-farm/
- TotalEnergies, 2020-03-19 — https://totalenergies.com/media/news/press-releases/renewables-total-enters-floating-offshore-wind-first-project-uk
- Blue Gem Wind, 2023-11-30 — https://www.bluegemwind.com/news/
- DESNZ (gov.uk), 2026-01 — https://assets.publishing.service.gov.uk/media/6966861de8c04eb2919f773a/contracts-for-difference-allocation-round-7-results-.pdf

---

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