High Voltage Power Services (HVPS) deliver fully engineered and intelligent High Voltage design solutions that integrate utility supply, on-site generation, and standby/emergency systems into a coordinated, compliant, and future-ready electrical network.
From initial concept and network selection through to detailed studies and commissioning support, we ensure your infrastructure is safe, compliant, optimised, and built for operational resilience.
Utility Network Selection & Point of Connection Strategy
We assess and define the most suitable network configuration for your development, including:
Incoming supply voltage level selection (11kV / 33kV)
Radial, ring main, or dual-fed configurations
Firm capacity and redundancy requirements (N, N+1, 2N)
Point of Connection (POC) evaluation
Load growth modelling and future expansion planning
Coordination with DNO / IDNO / ICP stakeholders
Our approach ensures the selected topology balances resilience, capital cost, operational efficiency, and long-term scalability.
Site Overlay & Integrated Power Architecture
We develop a coordinated site-wide electrical overlay that integrates:
HV and LV distribution architecture
Substation positioning and segregation
Transformer sizing and redundancy philosophy
Protection zoning and discrimination boundaries
Critical load segregation strategies
Phasing strategy for multi-stage developments
This ensures seamless interaction between utility supply, on-site infrastructure, and critical systems.
Standby & Emergency Power Integration
We design and model fully integrated standby and emergency power systems, including:
Generator sizing and dynamic load acceptance studies
Paralleling and synchronisation schemes
Automatic Transfer Switching (ATS) strategies
UPS integration for critical loads
Black-start capability and restoration sequencing
Load shedding and prioritisation schemes
Resilience modelling under fault and outage conditions
We ensure compliance with relevant standards while delivering practical, operationally robust solutions that maintain business continuity.
Detailed Power System Engineering Studies
Our analytical capability validates performance and compliance across the full network:
BS EN 60909 Fault Level Analysis – Verification of equipment ratings and short-circuit resilience