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Pentir to Trawsfynydd reinforcement and refurbishment project

The project Reinforcement and refurbishment work New infrastructure Document library

Document library

In this library you can view documents we’ve produced for the Pentir to Trawsfynydd reinforcement and refurbishment project.

If you have any questions about this information, or accessing any of our documents, please call or email us using the contact details on the right-hand side of this page.

We will continue to keep this library up to date as the project progresses. 

View this page in Welsh

View welsh version

Contact us

If you have any questions about the project, you can get in touch in the following ways:

    Project updates
      Project updates

      Project updates

      Name
      Pentir to Trawsfynydd community newsletter
      DRAFT Environmental Statement, September 2025

        Name
        Environmental Statement: Table of Contents
        Pentir to Trawsfynydd - Non-Technical Summary
        Pentir - Trawsfynydd - Introduction – Volume 1
        Pentir Environmental Statement – Volume 2
        Bryncir Environmental Statement – Volume 3
        Glaslyn Environmental Statement – Volume 4 - Part 1
        Glaslyn Environmental Statement – Volume 4 - Part 2
        Glaslyn Environmental Statement – Volume 4 - Part 3
        Glaslyn Environmental Statement – Volume 4 - Part 4
        Trawsfynydd Environmental Statement – Volume 5 
        Wider Works Environmental Statement – Volume 6 - Part 1
        Wider Works Environmental Statement – Volume 6 - Part 2
        Wider Works Environmental Statement – Volume 6 - Part 3
        Wider Works Environmental Statement – Volume 6 Appendix Figures Part A - Section 1
        Wider Works Environmental Statement – Volume 6 Appendix Figures Part A - Section 2
        Wider Works Environmental Statement – Volume 6 Appendix Figures Part A - Section 3
        Wider Works Environmental Statement – Volume 6 Appendix Figures Part A - Section 4
        Wider Works Environmental Statement – Volume 6 Appendix Figures Part B - Section 1
        Wider Works Environmental Statement – Volume 6 Appendix Figures Part B - Section 2
        Cumulative Assessment Environmental Statement – Volume 7 
        Environmental Statement Appendices – Volume 8 Part 1 – Volume 1 Appendices
        Environmental Statement Appendices – Volume 8 Part 2 – Volume 2 Appendices
        Environmental Statement Appendices – Volume 8 Part 3 – Volume 3 Appendices
        Environmental Statement Appendices – Volume 8 Part 4A– Volume 4 Appendices
        Environmental Statement Appendices – Volume 8 Part 4B – Volume 4 Appendices
        Environmental Statement Appendices – Volume 8 Part 5 – Volume 5 Appendices
        Environmental Statement Appendices – Volume 8 Part 6A– Volume 6 Appendices
        Environmental Statement Appendices – Volume 8 Part 6B– Volume 6 Appendices
        Environmental Statement Appendices – Volume 8 Part 6C – Volume 6 Appendices
        Environmental Statement Appendices – Volume 8 Part 6D – Volume 6 Appendices, i
        Environmental Statement Appendices – Volume 8 Part 6D – Volume 6 Appendices, ii
        Environmental Statement Appendices – Volume 8 Part 6D – Volume 6 Appendices, iii
        Environmental Statement Appendices – Volume 8 Part 6E– Volume 6 Appendices
        Environmental Statement Appendices – Volume 8 Part 7 - Volume 7 Appendices