Poseidon
152 km2 area. Up to 81 turbines with total height 260-340 m. Expected to produce approximately 5.5 TWh/year.
Status
Early Developmentlifecycle stage
PossibleHafrok delivery likelihood
Ownership
Vattenfall — 85% ◆ZVZephyr Vind — 15% ◆
Location
SwedenSkagerrak
Technology
Capacity
1,400 MW ◇
Turbines
81 ◆
Foundation
Floating ◆
Site & conditions
Site rights
Seabed rights held 2024-11 ◆
Water depth
45–201 m ≈
Distance from shore
25 km ◆
Wind speed
9.9 m/s @ 150 m ≈
Revenue & grid
Offtake
—
Grid
Not recorded ◇
Connection
Not yet fixed. The export cable landfall and the grid … ◇
Schedule
FID
Not taken
COD · Hafrok
for registered readers
Delivery outlook modelled by Hafrok · calibrated on delivered projects
PossibleHafrok's delivery likelihood for Poseidon
The developer has stated no date. Hafrok's year, the chance and the working are for registered readers.
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Project timeline & ownership verified milestones on the spine · ownership from Hafrok's transactions record
2 dated milestones on the spine, each with its source · the ownership chain from Hafrok's transactions record · the developer's announced-COD history
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Revenue & offtake contract terms, price levels and the route to market
the contract terms on record · price over time in money of the day · the routes to market and the next visible round
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Installation how the build is going · from sourced statements and Hafrok's registers
construction status and turbines standing · vessel and port contracts · the grid connection and whether it is ready in time
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Sources & verification
Rests on 8 sources (3 primary) · ◆ 5 documents held
◆Verified≈Modelled◇Sourced∴Inferred⌁Convention○Unverified∅No source·Derived
Numbers are stable citation ids — grouped by source class, so they are not consecutive.
Operator4
[2]
Vattenfall2022◆ Vattenfall invests in two offshore wind …
“Vattenfall will hold an 85% ownership stake in the Poseidon project. The projects are described as floating wind turbines, between 25 and 27 kilometers off the Swedish west coast, north of Gothenburg.”
supportsoperatorco-developerDistance from shore
[4]
Swedish Government (Regeringen)2025-06◆ Nu kan havsvindparkerna Galene och Posei…
“Regeringen har idag fattat tre beslut om tillstand till kabelutlaggning, som ar en separat tillstandsprocess, for de redan tillstandsgivna havsbaserade vindkraftparkerna Galene och Poseidon.”
supportsStatusConnection point
[8]
KonTiki Vind AB (hosted by Miljøstyrelsen, Espoo consultation)2022-12-21◆ Ansökan om tillstånd enligt lagen om Sve…
“Till Regeringen Stockholm 2022-12-21 Ansökan om tillstånd enligt lagen om Sveriges ekonomiska zon SÖKANDE KonTiki Vind AB”
supportsConsentSite rightsConsent appliedConsent granted
[9]
Regeringskansliet (Klimat- och näringslivsdepartementet)2024-11-04◆ Regeringsbeslut II:10, 2024-11-04, KN202…
“Regeringen ger med stöd av 5 § lagen (1992:1140) om Sveriges ekonomiska zon KonTiki Vind AB, organisationsnummer 559276–9987, tillstånd till uppförande, drift och avveckling av en gruppstation för vin…”
supportsConsentSite rightsTurbinesFoundationConsent applied+1 more
Trade press4
[1]
offshoreWIND.biz2024-11-04◆ Sweden rejects 13 Baltic offshore projec…
Press report — cited, not quoted; read it at the source link.
supportsConsentSite rightsTurbinesTotal capacityFoundation+3 more
[5]
[6]
[7]
Early access