Kentish Flats Extension
Extension to Kentish Flats (2005). 49.5 MW actual capacity (rounded to 50).
United KingdomTechnology
Capacity
50 MW ◆
Turbines
15 × 3.3 MW ◆
Model
Vestas V112 3-3 ◆
Foundation
Monopile ◆
Site & conditions
Site rights
Seabed rights held ∴
Origination
Crown Estate Round 1 & 2 site extensions (2010) · 2010 ·
Water depth
5–5 m ◆
Distance from shore
7.8 km ◆
Wind speed
8.7 m/s @ 100 m ≈
Revenue & grid
Offtake
Other ◆
Grid
Secured · 2015 ◆
Connection
Red House Farm substation, Herne Bay. Export cables come ashore … ◆
Schedule
FID
Nov 2013 ◆
COD
2015 ◆
Project timeline & ownership verified milestones on the spine · ownership from Hafrok's transactions record
7 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
For registered readers · register below ↓
Sources & verification
Rests on 11 sources (4 primary) · ◆ 9 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]
legislation.gov.uk / DECC2013-02-19◆ The Kentish Flats Extension Order 2013 (…
"A nationally significant infrastructure project ... comprising an offshore wind turbine generating station with an installed capacity of up to 51 MW being an extension to the existing Kentish Flats o…
supportsConsentFoundationDistance from shoreConsent appliedConsent granted
[12]
Department for Energy Security and Net Zero2026-05-06◆ Renewable Energy Planning Database (REPD…
“REPD Q1 2026 quarterly extract — Ref ID 2504: Site Name "Kentish Flats 2", Development Status "Operational", Installed Capacity 49.5 MWelec, Operator "Vattenfall"”
supportsRegister entry
[13]
The Planning Inspectorate (PINS)2026-08-23◆ PINS national infrastructure application…
“Project reference EN010036: "Kentish Flats Extension"; applicant "Vattenfall Wind Power Limited"; Stage "Post-decision"; applied 2011-10-14; accepted 2011-11-10; decision 2013-02-19.”
supportsConsentConsent appliedConsent granted
Operator2
[3]
Vattenfall2025-01-01◆ Power plants: Kentish Flats Extension - …
"Kentish Flats Extension ... 50 MWe ... 15 turbines supplied by Vestas ... more than 7 kilometres off the coast of Herne Bay and Whitstable ... In Operation ... Offshore and onshore electrical works b…
supportsOnshore constructionOffshore constructionCommercial operationCOD historyTurbines+4 more
[10]
Trade press6
[4]
[5]
[7]
CleanTechnica2015-09-16◆ Kentish Flats Extension Reaches Full Pow…
"Vattenfall announced that the Kentish Flats Extension had begun generating electricity for the first time on August 29, at 14:05, from turbine number KE02 ... September 12, 2015 before 17:00 — Vatten…
supportsFirst power
[8]
[9]
[11]
Early access