Our capabilities

End-to-end project delivery

As an Independent Connection Provider (ICP), we deliver end-to-end power infrastructure solutions, specialising in the design, construction, and maintenance of electrical networks up to 132kV. As a National Electricity Registration Scheme (NERS) accredited provider, we offer a fully compliant and safety-driven approach to power distribution, grid connections, and energy infrastructure projects.

Our multi-disciplinary team of power engineers, electrical designers, civil specialists, and technicians provides turnkey solutions across all stages of power infrastructure development. Our capabilities include:

  • Grid Connections & Network Upgrades – Delivering new and upgraded high-voltage (HV) and low-voltage (LV) connections for commercial, industrial, and infrastructure projects.
  • Full Design & Engineering Services – Developing concept-to-delivery solutions, ensuring compliance with DNO and IDNO requirements.
  • Cable Jointing & Termination – Providing expert jointing services for underground and overhead networks up to 132kV with fully certified HV and LV jointers.
  • Substation & Switchgear Installation – Designing and constructing substations, transformers, and switchgear solutions for efficient power distribution.
  • Overhead Line & Underground Cabling – Installing, upgrading, and maintaining power transmission and distribution networks.
  • Civils & Enabling Works – Delivering civil engineering services including trenching, ducting, reinstatement, and structural foundations for power assets.
  • Testing, Commissioning & Maintenance – Ensuring power assets are installed, tested, and maintained to the highest standards for long-term reliability and performance.

With our NERS accreditation, we work seamlessly with DNOs, IDNOs, and private network operators, ensuring compliance, safety, and efficiency at every stage of project delivery.

what we offer

Tailored power solutions for every sector

Whether delivering bespoke private HV networks, supporting renewable energy connections, or executing large-scale utility infrastructure projects, United Infrastructure provides cost-effective, future-proofed power solutions to support the UK’s energy transition.

digger on construction site with construction worker

professional service

Why choose us?

  •  Fully accredited under NERS for power installations up to 132kV
  •  End-to-end delivery, from design to commissioning
  •  Multi-disciplinary team covering electrical, civil, and structural works
  •  Proven experience with DNOs, IDNOs, and private networks

employees on site with forklift at power station

Our clients

Proud to work with

virgin media and o2 logo
Cornerstone logo
three logo
Vodafone logo
cellnex logo
arquiva logo
mbnl logo
gigaclear logo

Have a question?

Get in touch

Whether you have a specific project in mind or if you’d like to find out more about our electric vehicle solutions and how we can help you, we’d love to hear from you.

Accreditations

Proud of our accreditations

Armed forces silver convenant logo
bsi iso iec 27001 logo
ecovadis gold award logo
Niceic approved logo
NERS accreditation

© UNITED INFRASTRUCTURE LIMITED. Registered No: 14888602. VAT Number: 865246406