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    Rassau Synchronous Condenser, Blaenau Gwent, Wales, UK

    GRP Access Structure

    Project Overview

    This substation features a synchronous condenser and flywheel to provide inertia to strengthen the grid, ensuring that stability can be provided without any power being generated – ultimately meaning that more renewable power can be used on the network.Siemens Energy were appointed to design, manufacture, install and commission the site, working with CLS Civil Engineering. Construction was completed in February 2022, with Dura Composites’ solutions specified by expert Consulting Civil & Structural Engineers, Patterson Reeves & Partners.

    Helping the grid to meet peak demand.

    With extensive experience in supplying the UK Energy Sector, Dura Composites solutions include Machine Access, Gantries, Stepovers, Trench Covers and Screening.

    Our products are unique in the market and provide major cost savings versus traditional materials such as concrete and steel, due to their more economical transportation, handling and on-site fitting. Suitable for use in high-risk areas, our GRP does not conduct electricity or necessitate the use of hot works permits and provides a safe on-site working environment for engineers and maintenance personnel.

    A major milestone in the quest to achieve net zero.

    This substation features a synchronous condenser and flywheel to provide inertia to strengthen the grid, ensuring that stability can be provided without any power being generated – ultimately meaning that more renewable power can be used on the network. Specialist fabrication, cutting and routing takes place at Dura Composites’ East Anglian HQ and as was the case with this project, our services can be used to reduce man-hours on site or compress a project schedule.

    GRP composites can provide major design flexibility, time saving benefits and significant lifecycle advantages over traditional materials such as concrete, and recent clarification of key standards areas such as fire performance have made them more accessible than ever. Applications for our GRP within the Energy Sector include GRP flooring, handrails, trench covers, up and over staircases, utility screening and roof walkways.

    Clients

    Siemens Energy
    Welsh Power
    Quinbrook
    National Grid ESO
    Western Power Distribution

    Designer

    Patterson Reeves & Partners.

    Products

    Standard Mesh
    Trench Covers
    Key Clamp Handrail

    Services

    Specialist Cutting
    Project Implementation

    This is a ground-breaking project for Wales and the UK, using innovative, world-class technology as well as local specialists and contractors. Innovative ideas and thinking are crucial to maintaining the stability and security of energy supplies, and Dura Composites offered an excellent product range and exceptional design support through all stages of this project. We are delighted to have seen this critical infrastructure project go from concept to successful operation in just two years.

    Ben Cartwright

    Procurement Manager at CLS Civil Engineering

    National Grid, Rassau 400kV Substation

    Our Specialists

    Our innovative recyclable products can help accelerate the construction of critical infrastructure. Talk to our experienced team about how you can tap into our specialist knowledge and engineering capability for your project.