Trusted utilities, infrastructure and civil service provider

Power

Powering the Future: High Voltage, EHV, and Offshore Expertise

Specialist expertise in power networks delivering everyday connections to complex 400 kV offshore installations.

At IES Group, we deliver safe, reliable, and future-ready power infrastructure solutions that ensure the UK’s electricity grid can meet the growing demands of homes, businesses, and critical industries.

From local electricity distribution networks to complex Extra High Voltage (EHV) cable jointing and offshore power installations, our accredited teams provide the technical expertise required to keep the nation connected.

Available 24/7, our experts respond quickly to faults and emergencies, minimising disruption and ensuring a consistent power supply. At IES, we are proud to support UK communities, strengthening the grid today while enabling the country’s transition to a sustainable energy future.

Maintaining a secure and dependable supply of electricity is at the core of what we do. Whether through new grid connections, network reinforcement projects, or emergency fault repairs, IES is committed to keeping power flowing safely, efficiently, and without interruption.

Powering Connections: From Local Networks to 400 kV Offshore Projects

With the recent addition of Nexus Power’s expertise, IES Group has strengthened its position as the go-to partner for power infrastructure, from low voltage connections to the most challenging 400 kV offshore projects.

Learn more about Nexus Power. 

Whatever the scale or complexity, we have the people, skills, and experience to deliver.

 

Power

Our Services

Our services encompass a range of solutions, including underground cabling, overhead lines, and substation construction, all designed to provide stable and dependable electricity connections to households across the nation.​

Our overhead line operations involve the construction of lines ranging from Low Voltage up 400kv EHV works alongside essential repair and maintenance activities, refurbishment projects, pole replacements, and response to storm events – on and offshore.

Our underground cabling team are experienced in LV, 11kv and EHV works, specialising in connection services, service alterations, system reinforcement, and asset replacement.​

We also provide comprehensive services for electricity substations, including asset replacement, repair and maintenance, upgrades to existing infrastructure, new connections, and emergency repair work.

  • Design & Engineering
    Full survey, feasibility, and detailed design for power networks across the UK.
  • LV, HV & EHV Cable Jointing
    Specialist jointing up to 400 kV, covering XLPE and fluid-filled systems.
  • Offshore Jointing & Power Solutions
    Accredited expertise in offshore and subsea installations, ensuring robust and safe energy transmission.
  • Power Infrastructure Construction
    End-to-end delivery of grid connections, private networks, and major power projects.
  • Testing & Commissioning
    Complete lifecycle assurance for all high voltage and extra high voltage installations.
  • Modular Power & Data Distribution
    Flexible, plug-and-play systems for commercial, education, healthcare, and industrial environments.
  • Operations, Maintenance & Asset Management
    Ongoing support and maintenance to ensure resilience, compliance, and performance of critical assets.

Our Sectors

Helping maintain supply to your home

Get in touch

To talk to our project management team call 0161 791 1496
or email info@iesutilities.co.uk

Contact Us