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Alaw Môn

Solar Farm

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The 6 week statutory publicity and consultation Pre-Application Consultation period for the proposed Alaw Môn Solar Farm has now (13th December 2023) concluded. We however continue to welcome comments, via the feedback form on this website, up until the submission of the application for a Development of National Significance.

Enso Energy, on behalf of Wylfa Green Limited, is holding its statutory publicity and consultation Pre-Application Consultation (PAC) on the proposed Alaw Môn Solar Farm, a renewable energy project located to the south of Llyn Alaw comprising solar arrays and energy storage facility with associated infrastructure, works and access. The Site is located west of the B5112, 415 m south of Llyn Alaw, 500 m east of Llantrisant and 1.5 km west of Llanerch-y-Medd, Anglesey.


Notice of a proposed application for a Development of National Significance (DNS) has been accepted by Planning and Environment Decisions Wales (PEDW) on 15th September 2023.


By virtue of its renewable energy generating capacity, this project constitutes a DNS. This PAC is undertaken in accordance with Town and Country Planning Act 1990 (as amended), The Developments of National Significance (Wales) Regulations 2016 (as amended) and The Developments of National Significance (Procedure) (Wales) Order 2016 (as amended). These require the Welsh Minister to determine DNS schemes, with applications being made directly to the Welsh Government (PEDW) instead of the Local Planning Authority. Isle of Anglesey County Council will be a key consultee in the planning determination process.


Further site survey work undertaken since the first public consultation in July 2021 and second public consultation in July 2023, together with comments received and inputs from the technical developer team, have informed changes to the scheme's design.


The main element of the development is the construction and operation of a solar farm that would supply up to 160 megawatts (MW) of renewable energy to the National Grid. This is equivalent to the electricity demands of approximately 33,935 homes each year (meeting the energy needs of all households on the Island).


The battery energy storage facility will supply electricity to the national grid at times of peak energy demand and contributes toward energy security and stability. The development would contribute to renewable energy and decarbonising targets for Wales over the 40 year operational life.


The Site comprises approximately 268 hectares of agricultural land, predominately used for grazing. The proposal takes account of local features including the Nantanog Site of Special Scientific Interest, Cors-y-Bol Local Wildlife Site, protected habitats and species, the Scheduled Monument of the Cors-y-Bol Bronze Age burial mound, Public Rights of Way and the National Cycle Route.


We will use existing farm access points at Nantanog, Chwaen Gach, Chwaen Bach and Tan Rallt to access the Site during construction (which we anticipate will take 12 months) and operation.


An underground cable will connect the solar farm and battery energy storage facility to the substation at Wylfa Power Station.


We want as many people as possible to share their views on our proposals as part of this statutory publicity and consultation PAC. The consultation period starts 1st November 2023 and will be for a period of 6 weeks (until 13th December 2023). Any consultation responses received shall be included within and responded to as part of a Consultation Report which will accompany the DNS application.


We expect to make the application at the end of 2023 and the DNS it will be considered by PEDW during 2024. If approved, construction will start in 2025 and the scheme will be operational in 2026.




Email your comments to:

Chat to us on: 01452 764 685

Write to us at: Enso Energy, Unit 1 & 2, Cirencester Office Park, Cirencester, GL7 6JJ

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