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  2. Cockett Valley Solar Project Approved

    RDW are pleased to announce Planning Permission has been approved for our Cockett Valley Solar Project

  3. Gilfach Turbine Planning Approved

    RDW are very pleased to receive Planning Permission for a 0.5MW Wind Turbine at Gilfach, Whitland, Carmarthen.

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Biomass Projects

Renewable Developments Wales Ltd, in conjunction with The Valley Pembrokeshire Ltd, are pleased to announce that their planning application for a 25 Megawatt (MW) wood fuelled power station at Trecwn Valley was approved by Pembrokeshire County Council on 24th March 2015.

The power station will generate renewable energy from wood biomass, sourced from the wood waste and forestry industries.  The plant will generate 25MW of electricity for export to the national grid together with a further 5MW of heat that will be available for use for heating or cooling by businesses within Trecwn Valley.The power station will employ up to 45 full time operational and maintenance staff as well as supporting service contractors over its +25 year operational life.  Employment will peak at approximately 250 staff during the 30 month construction period.

Renewable Developments Wales and The Valley Pembrokeshire aim to re-establish Trecwn Valley as a major contributor to Pembrokeshire’s economy using renewable energy generation as a catalyst to attract other businesses to Trecwn Valley. 

  • Huw Davies, owner and director of Renewable Developments Wales said ‘This planning approval represents the first crucial step in delivering our strategy for Trecwn Valley. I am delighted that we have been shown to have the support of the County Council and local people in our plans for transforming this unique site’.

Trecwn Valley has been largely dormant since its closure by the MoD in 1994, but its importance as an employment site for Pembrokeshire is underlined by the designation of over 21hectares (52 acres) in the Local Development Plan for Pembrokeshire, and the recent (February 2015) announcement by Welsh Government that the site has been included in the Haven Enterprise Zone. The Valley as a whole comprises 445 hectares (1100 acres) and includes former MoD buildings and infrastructure that are suitable for a range of office, industrial and storage purposes.

As recently as the 1980s, The Valley at Trecwn provided employment to many hundreds of skilled workers. The development of a biomass plant that is capable of producing combined heat and power is seen by RD Wales as a catalyst to attract other businesses into The Valley and re-establish the site as a major contributor to the local economy. In 2012 RDW secured planning permission a peaking plant that capable of supplying 20MW of power to the National Grid at times of peak electricity demand. 


A Public Exhibition was held on April 1st 2014 at the Valley to provide more information about the project to local residents and interested parties ahead of the planning application submission. Click here to download the Trecwn Biomass Exhibition Information Pack.

Prior to the planning application submission, RDW worked extensively with Axis Consultancy and Marches Ecology to fully prepare the detailed Planning Application. The Application includes all the layout drawings, technical descriptions and studies on ecology, transport and many other associated topics. All the submitted planning documents can be viewed on their Planning Portal using the Planning Reference: 14/0300/PA.

Please click here to access the Pembrokeshire Planning Portal. 

Further information will be made available through the website as this project progresses. Please check our news page for details of related events.


Any queries may be directed to the project team 01269 833086 or via email to info@rdwales.co.uk.