Kentish Flats
Located off the Kent coast in the outer Thames Estuary, approximately 8.8 km north of Herne Bay and 9.5 km north of Whitstable.
United KingdomTechnology
Capacity
90 MW ◆
Turbines
30 × 3 MW ◆
Model
Vestas V90 3-0 ◆
Foundation
Monopile ◆
Site & conditions
Site rights
Seabed rights held ∴
Origination
Crown Estate Round 1 · 2001 ·
Water depth
6–8 m ◆
Distance from shore
8.8 km ◆
Wind speed
8.8 m/s @ 100 m ≈
Revenue & grid
Offtake
Certificate ◆
Grid
Secured · 2005 ◆
Connection
Onshore substation at Whitstable; three buried 33kV PEX cables … ◆
Schedule
FID
2004 ◆
COD
2005-Q4 ◆
Project timeline & ownership verified milestones on the spine · ownership from Hafrok's transactions record
5 dated milestones on the spine, each with its source · 1 recorded ownership deal 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 Certificate contract's terms · 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 (7 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.
Regulator3
[1]
Companies House (UK)2018-08-23◆ KENTISH FLATS LIMITED persons with signi…
“Vattenfall Wind Power Ltd holds ownership of shares – 75% or more, voting rights – 75% or more. Notified on August 23, 2018. Ceased PSC: Vattenfall Vindkraft Ab (same date — corporate restructuring wi…”
supportsoperator
[2]
[8]
Department for Energy Security and Net Zero2026-05-06◆ Renewable Energy Planning Database (REPD…
“REPD Q1 2026 quarterly extract — Ref ID 2492: Site Name "Kentish Flats", Development Status "Operational", Installed Capacity 90 MWelec, Operator "Vattenfall"”
supportsRegister entry
Operator2
[3]
Vattenfall2025◆ Power plants: Kentish Flats - Vattenfall
“Kentish Flats is a 90 MWe offshore wind farm with 30 turbines. The average water depth is five metres. The site can be easily accessed from the local maintenance port at Whitstable, which is only 30 m…”
supportsTurbinesTotal capacityMechanismDetailO&M base
[4]
Trade press3
[5]
Modern Power Systems2006
“Take-over certificate for Kentish Flats was signed on 8 December 2005, marking its entry into commercial operation. Fully consented in March 2003. Site work commenced summer 2004. Foundation installat…”
supportsConsentFinal investment decisionOffshore constructionCommercial operationTurbines+7 more
[6]
[7]
Early access