HV & LV installation and upgrades
GridCore delivers complete high‑voltage (HV) and low‑voltage (LV) installation projects and upgrades for private networks across the UK.
From new substations and private wire networks to transformer upgrades and full distribution system builds, we provide a safe, compliant and engineered solution from design through to commissioning.
Our engineering teams support industrial, commercial and critical‑infrastructure clients with installations that meet the highest standards of quality and regulatory compliance.
End‑to‑end project delivery
GridCore delivers full‑scope HV/LV infrastructure projects, including:
New private substations
Turnkey solutions including design, procurement and installation of HV switchgear, transformers, LV panels and protection systems.
Switchgear installation
HV and LV switchgear installation, testing and integration into existing networks.
Transformers & distribution equipment
Installation, testing and commissioning of distribution transformers, RMUs, ACBs, MCCBs and associated protection.
Control, protection & SCADA systems
Installation and integration of modern protection relays, control panels and remote operation systems.
HV & LV cabling
Installation, jointing and termination of high‑voltage and low‑voltage cables for new builds, network extensions and asset replacement.
Civil and enabling works
Foundations, plinths, cable trenches, ducting, earthing systems and all associated civil engineering required for a compliant installation.
We can manage every stage of your project, encompassing design and system studies, procurement and logistics, installation and integration, testing & commissioning, handover and documentation.
Why organisations choose GridCore
Specialist HV/LV expertise
Experienced engineers with deep knowledge of private networks.
Turnkey delivery
One partner for design, installation, testing and commissioning.
Future‑ready networks
Modern protection, monitoring and control systems built in from day one.
Minimal disruption
Phased works, clear communication and safe integration with live networks.
Long‑term support
Seamless transition into ongoing maintenance and asset management.
A trusted HV and LV infrastructure partner
GridCore’s team is ready to meet your HV/LV requirements.
Contact our specialists today.
