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Wind Energy Programme

The Natural Resources Wales Wind Energy Programme aims to integrate wind farm development into the sustainable management of the Welsh Government Woodland Estate.

The Wind Energy Programme works with selected Developers (Option Holders) to deliver a significant contribution to the Welsh Government's onshore wind energy target.

Wind Energy Projects

The following section provides updates on the progress of each of the Wind Energy Projects as of February 2018.

Clocaenog Forest (up to 32 turbines / up to 96MW)

Developer – Innogy Renewables UK Ltd

Innogy Renewables UK Ltd are currently working on discharging planning conditions prior to a projected start to construction in early 2018. The forest remains open to the public under normal access arrangements at present, with only localised disruption from routine NRW forest operations and roads maintenance.

For more information on this Project please visit the project page at Innogy Renewables UK Ltd

Dyfnant Forest

Dyfnant Forest is within Welsh Government’s Strategic Search Area B and NRW is keeping the vacant Option under review.

Nant y Moch

Developer – Vattenfall

Vattenfall hold the Option Agreement for SSA D - Nant  y Moch and continue to explore the potential of the site within the area covered by the Option Agreement. 

Brechfa Forest East

Brechfa Forest East is within Welsh Government’s Strategic Search Area G and has a Planning Authority consented onshore energy scheme.

NRW is considering the best way forward for realising this development.

Brechfa Forest West (up to 28 turbines / 57.4MW)

Developer – Innogy Renewables UK Ltd

Brechfa Forest West Wind Farm has generated its first electricity.  Turbines 11 and 12 were safely switched on and started producing renewable energy mid-January 2018, just over a year after commencement of construction. This is a major milestone for the project and it is anticipated that the Wind Farm will be fully operational in the Summer.

All 28 turbines have now been erected. Once a Turbine is erected, there are internal works to complete before it is ready for commissioning, which will continue progressively. Re-instatement works continue, including the on-site borrow pit, and one of the last jobs will be to dress all the site tracks and roads with clean stone.

Brechfa Forest West Wind Farm will deliver a community investment package of £459,200 per annum, index linked, that will become available once the wind farm is fully operational in 2018.  This will result in a total investment of more than £11 million over the lifetime of the wind farm, expected to be 25 years. Innogy has been working with local communities and key stakeholders to tailor the fund to maximise the effectiveness of this considerable investment.

For more information on this Project please visit the project page at Innogy Renewables UK

Pen y Cymoedd (76 turbines / 228MW)

Wales’s largest onshore wind farm is now fully operational. Natural Resources Wales is working closely with Vattenfall personnel on site to complete reinstatement and enter into the operating lease period for 25 years. Pen y Cymoedd expects to produce enough power annually to meet the electricity demand of more than 188,000 UK households, and will more than meet the domestic demand of host local authorities Rhondda Cynon Taf and Neath Port Talbot. Over the lifetime of the project it is expected to save 6.4 million tonnes of CO2.

Vattenfall is also constructing a battery storage scheme on site. The 22MW system – believed to be the largest co-located battery and wind farm project in the UK – will provide a rapid-reaction grid reliability service to National Grid, known as Enhanced Frequency Response.

To gain a better understanding of the site and to see some of the work that has already taken place, some aerial footage of Pen y Cymoedd is available to view.

Pen y Cymoedd Wind Farm Community Interest Company have now been set up to administer the Community Fund. More information can be found here:

Whilst public access is still allowed within the forest area, walkers and mountain bikers are encouraged to look out for banksmen, signage and noticeboards which convey information about onsite activity. Working areas can be found on the updated map.

For more information on this Project please go to the Vattenfall Project page.

Contact Us

If you have any questions about the Wind Energy Programme or Projects, please e-mail:

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