---
title: "Poseidon"
source: https://hafrok.com/projects/se-poseidon/
identifier: se-poseidon
updated: 2026-10-13
---

# Poseidon

Source: https://hafrok.com/projects/se-poseidon/  
Data as of: 2026-10-13

152 km2 area. Up to 81 turbines with total height 260-340 m. Expected to produce approximately 5.5 TWh/year.

| Field | Value |
|---|---|
| Country | Sweden |
| Sea basin | Skagerrak |
| Capacity | 1400 MW |
| Turbines | 81 |
| Lifecycle stage | Advanced Development |
| Owners | Vattenfall · Zephyr Vind |
| Coordinates | 57.994, 10.8691 |
| Commercial operation (Hafrok's expected year) | 2036 (range 2035–2037) |
| Chance of delivery | Prospective (weight 0.624) |

## Milestones

- **Consent applied** — 2022-12 (achieved)
- **Consent granted** — 2024-11 (achieved)
- **Commercial operation** — 2036 (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.

- offshoreWIND.biz, 2024-11-04 — https://www.offshorewind.biz/2024/11/04/sweden-rejects-13-offshore-wind-farms-greenlights-vattenfalls-poseidon-project/
- Vattenfall, 2022 — https://group.vattenfall.com/press-and-media/pressreleases/2022/vattenfall-invests-in-two-offshore-wind-projects-outside-gothenburg/
- KeyFacts Energy, 2024-11 — https://keyfactsenergy.com/news/29142/view/
- Swedish Government (Regeringen), 2025-06 — https://www.regeringen.se/pressmeddelanden/2025/06/nu-kan-havsvindparkerna-galene-och-poseidon-forverkligas/
- Global Energy Monitor, 2026-07-02 — https://www.gem.wiki/Poseidon_Offshore_wind_farm
- 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/
- KonTiki Vind AB (hosted by Miljøstyrelsen, Espoo consultation), 2022-12-21 — https://sgavmst.dk/media/xqfd3jna/1-kn2023_00991-1-poseidon-ansoekan-lsez-slutlig-221221.pdf

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