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Home / Services / High-Voltage Connections

Why Choose TSG Power?

TSG Power offers a complete HV connection service:

  • Accelerated delivery – through direct coordination with ESB Networks and EirGrid
  • Cost-effective solutions – with in-house design and installation
  • End-to-end management – from feasibility to energisation
  • Certified expertise – aligned with Irish and EU standards
  • Scalable infrastructure – built 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 own teams, ensuring consistency 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.

Expert Design and Engineering

Every HV connection begins with intelligent design. Our engineers conduct detailed site assessments, load analysis and protection studies to optimise performance. 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.

Built for Resilience, Maintained for Longevity

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

  • 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 Irish safety legislation.

Powering Ireland’s Critical Infrastructure

TSG Power can provide HV connections across a diverse portfolio of Irish infrastructure projects. Whether supporting electrification, automation or electric vehicle (EV) charging, TSG delivers every project with safety, efficiency and future growth in mind.

A Strategic Partner for Complex Energy Projects

TSG Power is more than a contractor. We are 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.

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