---
title: "Floatgen"
source: https://hafrok.com/projects/fr-floatgen/
identifier: fr-floatgen
updated: 2026-10-13
---

# Floatgen

Source: https://hafrok.com/projects/fr-floatgen/  
Data as of: 2026-10-13

Located at SEM-REV test site off Le Croisic, Brittany. Demonstrated BW Ideol's patented Damping Pool concrete float technology.

| Field | Value |
|---|---|
| Country | France |
| Sea basin | Northeast Atlantic |
| Capacity | 2 MW |
| Turbines | 1 |
| Lifecycle stage | Operational |
| Owners | BW Ideol |
| Coordinates | 47.24, -2.79 |
| Commercial operation (announced) | 2018-09-18 |

## Milestones

- **Consent granted** — 2014-01-13 (achieved)
- **Onshore construction** — 2016-09 (achieved)
- **Offshore construction** — 2018-04 (achieved)
- **First power** — 2018-09-18 (achieved)
- **Commercial operation** — 2018-09-18 (achieved)

## Offtake

Offtake regime on record


## Sources

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

- BW Ideol, 2024 — https://www.bw-ideol.com/en/floatgen-demonstrator
- Centrale Nantes / SEM-REV, 2024 — https://sem-rev.ec-nantes.fr/english-version/devices-tested/floating-offshore-wind-turbine-flotagen
- BW Ideol, 2018-09-18 — https://www.bw-ideol.com/en/ideols-first-demonstrator-delivering-power-grid
- Offshore Wind Biz (trade press), 2018-09-19 — https://www.offshorewind.biz/2018/09/19/france-receives-first-offshore-wind-power/
- BW Ideol, 2016-06 — https://www.bw-ideol.com/en/actualites/construction-floatgen-officially-underway
- Offshore Wind Biz (trade press), 2018-04-30 — https://www.offshorewind.biz/2018/04/30/floatgen-floating-turbine-arrives-home/
- WindEurope, 2017-10-13 — https://windeurope.org/newsroom/news/floatgen-floating-wind-project-inauguration-france-first-offshore-wind-turbine/
- Ecole Centrale de Nantes, 2024 — https://research.ec-nantes.fr/en/industrial-chairs-and-joint-laboratories/floatgen-first-floating-wind-turbine-installed-off-the-french-coast
- BW Ideol, 2024 — https://www.bw-ideol.com/en/floatgen-demonstrator
- Centrale Nantes / eoliennesenmer.fr (French state EMR portal), 2021-11 — https://www.eoliennesenmer.fr/sites/eoliennesenmer/files/fichiers/2022/01/2021_11_Rapport_suivi_environnemental_SEM-REV_FLOATGEN.pdf
- DTU Wind Energy / World Bank (Global Wind Atlas), 2026 — https://globalwindatlas.info/

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