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Why Choose TSG Power?

TSG Power offers a complete high-voltage connection service that delivers:

  • Faster project delivery – through streamlined processes and direct Distribution Network Operator (DNO) coordination
  • Cost-effective solutions – with in-house design, engineering and installation
  • End-to-end project management – from feasibility to energisation
  • Certified expertise – backed by NERS and Lloyd’s Register credentials
  • Future-ready infrastructure – scalable systems designed for long-term performance

Clients benefit from a single point of contact, transparent communication and a team that understands the complexities of HV energy infrastructure.

Fully Integrated In-House Delivery

TSG Power manages every stage of the HV connection process using its in-house teams. This guarantees consistency, quality and accountability across:

  • Civil engineering and trenching
  • HV and MV cable laying and jointing
  • Substation and switchgear installation
  • Smart metering and energy monitoring
  • Testing, commissioning and energisation

This integrated model reduces delays, avoids third-party dependencies and keeps projects on time and budget.

Substation plan and design

Expert Design and Engineering

Every HV connection begins with intelligent design. TSG Power’s qualified engineers conduct detailed site assessments, load analysis and protection studies to optimise system performance. Design services include:

  • Grid connection applications and feasibility studies
  • Electrical modelling and protection coordination
  • Substation layout and equipment specification
  • Integration of Building Energy Management Systems (BEMS)*

Each system is tailored to meet current and future energy demands, ensuring long-term value and resilience.

*Building Energy Management Systems (BEMS) – intelligent systems that monitor and control energy use across a facility, helping to reduce consumption, lower costs and improve sustainability.

Certified to Deliver Complex Infrastructure

TSG Power is fully accredited under the National Electricity Registration Scheme (NERS), authorising it to deliver contestable works on behalf of DNOs. The company also holds Lloyd’s Register certification, demonstrating its commitment to safety, quality and engineering excellence.

Through UCP Choice, its wholly owned ICP subsidiary, TSG Power manages all aspects of the grid connection process, including applications, design approvals, inspections and energisation.

Core Capabilities

TSG Power’s high-voltage services include:

  • HV and MV distribution systems
  • Switchgear installation and commissioning
  • Transformer cabinets and protection systems
  • Smart metering and energy monitoring
  • Building Energy Management Systems* (BEMS) integration
  • AC/DC electrical studies and load analysis

All systems are designed to be scalable, allowing clients to expand capacity as their operations grow.

Built for Resilience, Maintained for Longevity

TSG Power supports long-term infrastructure performance with tailored maintenance and testing services. These include:

  • Routine inspections and thermal imaging
  • Partial discharge testing and relay calibration
  • Emergency response and 24/7 support
  • Asset condition reporting and lifecycle planning

This proactive approach helps prevent downtime, extend asset lifespan and ensure compliance with all statutory obligations.

Powering the UK’s Critical Infrastructure

TSG Power has delivered high-voltage connections across a diverse portfolio of critical infrastructure projects. These include logistics parks with high energy demands, data centres requiring uninterrupted power and airports where electrical resilience is essential. Whether supporting electrification, automation or EV charging, TSG Power delivers every project with safety, efficiency and future growth in mind.

A Trusted Partner for Complex Energy Projects

TSG Power is more than a contractor. It is a strategic partner for businesses navigating the complexities of modern energy infrastructure. With certified expertise, integrated delivery and a commitment to long-term success, TSG Power helps organisations build the electrical foundations they need to thrive in a rapidly evolving energy landscape.

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