--- title: "Walney Extension" source: https://hafrok.com/projects/uk-walney-extension/ identifier: uk-walney-extension updated: 2026-10-13 --- # Walney Extension Source: https://hafrok.com/projects/uk-walney-extension/ Data as of: 2026-10-13 Located 19km west of Cumbrian coast, adjacent to Walney 1 & 2. | Field | Value | |---|---| | Country | United Kingdom | | Sea basin | Irish Sea | | Capacity | 659 MW | | Turbines | 87 | | Lifecycle stage | Operational | | Owners | Ørsted · Brookfield Infrastructure Fund V · PKA (via AIP Management) · PFA · Octopus Energy Generation | | Coordinates | 54.09, -3.88 | | Commercial operation (announced) | 2018-Q3 | ## Milestones - **Consent applied** — 2013-06-28 (achieved) - **Consent granted** — 2014-11-07 (achieved) - **Onshore construction** — 2015-08 (achieved) - **Final investment decision** — 2015-10-28 (achieved) - **Offshore construction** — 2016 (achieved) - **First power** — 2017-09 (achieved) - **Commercial operation** — 2018-Q3 (achieved) ## Offtake 660 MW contracted — investment contract - **Investment contract · FID Enabling for Renewables (FIDeR) investment contracts** — £150/MWh · 2012 real · CPI-indexed · awarded 2014-04 · 15-year term ## Sources Every figure above traces to one of these. Quoted passages are held but not republished; follow the link for the original wording. - Planning Inspectorate, 2014-11-07 — https://national-infrastructure-consenting.planninginspectorate.gov.uk/projects/EN010027 - Offshore Engineer (OEDigital), 2015-10-28 — https://www.oedigital.com/news/451060-dong-reaches-fid-on-irish-sea-wind-farm - Offshore Wind Biz, 2018-09-06 — https://www.offshorewind.biz/2018/09/06/worlds-largest-offshore-wind-farm-opens-video/ - Offshore Wind Biz, 2017-11-10 — https://www.offshorewind.biz/2017/11/10/half-of-walney-extension-officially-in-hands-of-pka-and-pfa/ - Octopus Energy, 2023-11-27 — https://octopus.energy/press/walney-extension-wind-farm-investment/ - AIP Management, date not stated — https://aipmanagement.dk/investments/walney-extension/ - Windtech International, 2024-12-31 — https://www.windtech-international.com/projects-and-contracts/orsted-completes-divestment-of-share-in-four-uk-offshore-wind-farms - National Audit Office, 2014-06 — https://www.nao.org.uk/wp-content/uploads/2014/06/Early-contracts-for-renewable-electricity1.pdf - Diamond Transmission Partners, date not stated — https://www.diamondtransmissionpartners.com/our-projects/walney-ext-ofto - NS Energy Business, date not stated — https://www.nsenergybusiness.com/projects/walney-extension-offshore-wind-farm/ - offshoreWIND.biz, 2024-10 — https://www.offshorewind.biz/2024/10/30/brookfield-buys-into-orsteds-four-operational-offshore-wind-farms-in-uk/ - DTU Wind Energy / World Bank (Global Wind Atlas), 2026 — https://globalwindatlas.info/ - Department for Energy Security and Net Zero, 2026-05-06 — https://assets.publishing.service.gov.uk/media/69fc56908cc72d2f863ea58d/REPD_publication_Q1_2026.csv - National Energy System Operator (NESO), 2026-07-21 — https://api.neso.energy/dataset/cbd45e54-e6e2-4a38-99f1-8de6fd96d7c1/resource/17becbab-e3e8-473f-b303-3806f43a6a10/download/tec-register-21-july-2026.csv - Companies House, 2020-11-04 — https://find-and-update.company-information.service.gov.uk/company/07306956/filing-history/MzI4MjM2MjkyOGFkaXF6a2N4/document?format=pdf&download=0 - Companies House, 2026-05-29 — https://find-and-update.company-information.service.gov.uk/company/07306956/filing-history/MzUyMzIyMDc0OGFkaXF6a2N4/document?format=pdf&download=0 - The Planning Inspectorate (PINS), 2026-08-23 — https://national-infrastructure-consenting.planninginspectorate.gov.uk/api/applications-download - Low Carbon Contracts Company (LCCC), 2026-07-31 — https://dp.lowcarboncontracts.uk/dataset/754ae1ec-3539-4bdf-86f5-ba204a56be76/resource/7bdfb0cb-fe99-44eb-b07b-2047e82f5601/download/cfd_contract_portfolio_status.csv --- Hafrok · https://hafrok.com/projects/uk-walney-extension/ · please cite the page you took a figure from.