IJmuiden Ver Beta Phase 1 (Zeevonk)
Zeevonk consortium originally planned 2 GW + 50 MW floating solar + 1 GW electrolyser at Maasvlakte.
Status
Advanced Developmentlifecycle stage
LikelyHafrok delivery likelihood
Ownership
Vattenfall — 50% ◆
Location
NetherlandsNorth Sea
Technology
Capacity
1,000 MW ◆
Turbines
69 ◆
Foundation
Monopile ◆
Site & conditions
Site rights
Seabed rights held ∴
Origination
IJmuiden Ver Sites Alpha & Beta · 2024 ·
Water depth
24–32 m ≈
Wind speed
10.0 m/s @ 150 m ≈
Revenue & grid
Offtake
PPA ◆
Grid
Offered ◆
Connection
TenneT 2 GW HVDC platform (Beta), connecting to onshore grid … ◆
Schedule
FID
expected 2026-Q4 ◆
COD · announced
2030 ◆
COD · Hafrok
for registered readers
Delivery outlook modelled by Hafrok · calibrated on delivered projects
LikelyHafrok's delivery likelihood for IJmuiden Ver Beta Phase 1 (Zeevonk)
The developer says 2030. Hafrok's year sits later than that; the 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 · 1 recorded ownership deal from Hafrok's transactions record · the developer's announced-COD history
For registered readers · register below ↓
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
For registered readers · register below ↓
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 24 sources (16 primary) · ◆ 18 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.
Regulator4
[4]
RVO (Netherlands Enterprise Agency)2024-06-11◆ RVO IJmuiden Ver Alpha & Beta results
“The permit for the IJmuiden Ver Wind Farm Site Beta goes to Zeevonk II. These are the largest Dutch wind farms in the North Sea to date. Combined, they provide 4 gigawatts (GW) of wind energy capacity…”
supportsoperatorownerConsentConsent granted
[5]
RVO (Netherlands Enterprise Agency)2025-10◆ Permits for wind farms at IJmuiden Ver A…
“On 6 August 2025, the permit for IJmuiden Ver Site Beta was amended. This permit became irrevocable on 17 October 2025.”
supportsConsent applied
[8]
RVO (Netherlands Enterprise Agency)2023-11◆ Project and Site Description IJmuiden Ve…
“TSO TenneT will construct two offshore substation platforms with grid connections for IJVWFS Alpha and IJVWFS Beta.”
supportsStatusConnection point
[15]
RVO — Bureau Energieprojecten (energietransitie.nl)2026-08-23◆ Dutch Bureau Energieprojecten register (…
“Listing row "Wind op zee - IJmuiden Ver kavels Alpha en Beta" (key wind-op-zee-ijmuiden-ver-kavels-alpha-en-beta); offshore docket page text hash a7ed4aac4252b523… (3819 chars).”
supportsRegister entry
Operator12
[6]
WindpowerNL2025-08-08
Press report — cited, not quoted; read it at the source link.
supportsTotal capacity
[7]
Offshore Wind Biz2024-12-18◆ Google buys offshore wind power from Vat…
Press report — cited, not quoted; read it at the source link.
supportsMechanismDetailOfftake history
[13]
Vattenfall2026-07-17◆ Vattenfall — vattenfall q2 presentation …
“NL Zeevonk phase 1
(Ijmuiden Ver Beta) 1,000 50 2030 Bid awarded in June 2024, partnering with CIP, phased development, preparing”
supportsTotal capacity
[14]
Vattenfall2025-Q3◆ Vattenfall — q3 report 2025
“Dutch authorities have approved an amendment of the permit for the Zeevonk offshore wind project. [...] The first phase, scheduled for completion in 2029, includes a 1 GW offshore wind farm and a 6 MW…”
supportsStatus note
[16]
DEME2026-07-20◆ Deme awarded contract foundation install…
“DEME has been awarded a substantial contract for the transport and installation of foundations for phase 1 of the Zeevonk offshore wind project in the Netherlands. Zeevonk, jointly owned by Vattenfall…”
supportsFoundation
[17]
Vattenfall2026-10-14◆ Vattenfall en Copenhagen Infrastructure …
“Op basis van het contract zal DEME 69 offshorewindturbines transporteren en installeren. [...] De voorbereidingen voor de uitvoering van het project zullen naar verwachting in 2028 van start gaan. Kor…”
supportsCommercial operationTurbines
[18]
Vattenfall2026-10-01◆ Vattenfall en CIP gunnen kabelinstallati…
“Het project blijft onder voorbehoud van een definitieve investeringsbeslissing.”
supportsStatus note
[19]
Vattenfall2026-07-20◆ Vattenfall and Copenhagen Infrastructure…
“The project remains subject to a final investment decision. Phase 1 will deliver 1 GW of offshore wind capacity by 2029.”
supportsTotal capacity
[20]
DEME2026-10-14◆ DEME wins contract for wind turbine inst…
“DEME has signed "a sizable contract for the transportation and installation of 69 wind turbines" for phase 1 of Zeevonk, to be installed by "DEME's next-generation jack-up offshore transport and insta…”
supportsStatus note
[22]
Vattenfall2026-09-16◆ Vattenfall en Copenhagen Infrastructure …
“hebben EEW Special Pipe Constructions GmbH (EEW SPC) uitgekozen om 69 monopilefunderingen te produceren [...] voor de eerste fase van Zeevonk [...] Het project is nog onder voorbehoud van een definiti…”
supportsStatus note
[23]
Vattenfall2026-05-11◆ Vattenfall en Copenhagen Infrastructure …
“hebben TKF de kabelopdracht gegund voor fase 1 van het offshore windproject Zeevonk. [...] Het contract omvat de volledige levering van circa 162 kilometer inter-array kabels. [...] de 66 kV inter-arr…”
supportsStatus note
[24]
Vattenfall2026-10-29◆ Vattenfall — vattenfall q3 presentation …
“NL Zeevonk phase 1 1,000 50 2030 ... Bid awarded in June 2024, partnering with CIP, phased development, preparing Zeevonk phase 1 for FID in Q4 2026”
supportsFinal investment decisionCommercial operationCOD history
Auction pipeline1
[25]
RVO2026◆ rvo-gamma-a-2026
RVO — IJmuiden Ver Gamma-A (~1 GW) permit applications open September 2026; subsidy-backed, EUR 104/MWh cap.
supportsIJmuiden Ver Gamma-A
Record source2
[26]
Vattenfall2026-07-20◆ vattenfall-zeevonk-deme-award-2026-07
The works will be carried out using several vessels from DEME's fleet, including the offshore installation vessel Orion for monopile installation, supported by a jack-up vessel for secondary steel and…
supportsOrion — foundation installation
[27]
offshore-energy.biz / offshoreWIND.biz2026-08-31◆ oe-ijv-beta-jacket-2026-08
Press report — cited, not quoted; read it at the source link.
supportsSleipnir — substation installation
Trade press4
[9]
offshoreWIND.biz2025-08
Press report — cited, not quoted; read it at the source link.
supportsTotal capacity
[10]
4C Offshore2026-07-02
Press report — cited, not quoted; read it at the source link.
supportsCoordinates
[11]
[12]
Unverified import1
[1]
unknown
Press report — cited, not quoted; read it at the source link.
supportsTotal capacityWater depthCoordinates
Early access