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High Voltage Substations

A well‑engineered substation is the backbone of any modern electrical network. REDAS deliver Substation Design and Build solutions that combine technical excellence, safety, and long‑term reliability. From initial concept & front end engineering through cost-effective build & commissioning, we ensure every project meets the highest industry standards and supports the evolving needs of utilities, industries, and developers. We have in-depth knowledge and experience of the UK & RoI energy infrastructure, design and build principals, Grid code compliance. We take ownership for what we do and deliver solutions that are sustainable, reliable and environmental friendly.

Concept, Feasibilities & FEED

  • Load analysis and system planning using advance tools

  • Site selection and environmental considerations for green sites

  • Site survey and existing assets assessment surveys for brownfield sites

  • BESS interconnection feasibilities of existing brown field sites

  • Cost estimation and project scheduling

     
 

Detailed Engineering & Design

  • Primary and secondary substation layout

  • Protection and control system detailed design

  • Telecommunication systems and Tele-protection systems

  • SCS and SCADA systems

  • Earthing and lightning protection studies and design

  • Foundations, bunds, GIS Buildings

  • Cable trenches, ducts, troughs

  • Cable routing, busbar sizing and configuration, and equipment sizing

  • Compliance with IEC, IEEE, ENA, BS and local regulatory standards

Procurement & Equipment Supply

 

  • Trusted partnerships with leading OEMs

  • Supply of transformers, switchgear, protection relays, SCADA systems, and auxiliary equipment

  • Quality assurance and factory acceptance testing 

Construction & Installation

    • Civil works, foundations, and structural installations

    • Electrical installation of HV/MV equipment

    • Integration of protection, control, and automation systems

    • Strict adherence to safety and quality protocols

Testing, Commissioning & Handover

  • System testing and energization

  • Protection relay configuration and verification

  • SCADA integration and communication testing

  • Comprehensive documentation and training for client teams

Substation Types We Deliver ​

  • HV/MV Substations (11kV–400kV)

  • AIS (Air‑Insulated Substations)

  • GIS (Gas‑Insulated Substations)

  • Indoor & Outdoor Substations

  • Industrial, Renewable, and Utility‑Scale Installations

Commitment to Safety, Quality & Sustainability ​

We prioritize safe working practices, robust engineering, and environmentally responsible solutions. Our team ensures every substation is designed for long‑term performance, minimal maintenance, and seamless integration with future grid technologies

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Transformer Testing
Transformer Testing
Testing and Commissioning
Integration & Commissioning
Control & Protection Installation
Installation
Telecom and Teleprotection
Fibber Installation & testing
Bid & Tender Support
Bid Writing and Management
HVDC Control & Protection Testing
Software & Hardware Validation
RTDS Simulation & Modeling
RSCAD & RTDS
HVDC Software Development
Software Development

Substation Primary Design

 

Our team of primary design engineers can develop design for all HV plant and equipment. Whether you are looking for adding a bay to an existing brown field site, replacing old equipment or a brand new installation, we can deliver design of Air insulated or Gas insulated switchgear, develop layout, Cable management system. We have vast experience in integrating MEQ equipment into the overall substation design, coordination with Civils, Cables and Overhead line teams.