HV and LV maintenance for private networks
GridCore keeps private electrical networks safe, compliant and performing at their best.
We provide wide-ranging services to care for both low-voltage (LV) and high-voltage (HV) assets, including planned maintenance, 24/7 fault response and structured support through Control, Operation & Maintenance Agreements (COMA).
Our highly-qualified engineers work across industrial, commercial and campus environments, ensuring clients’ infrastructure remains reliable, efficient and fully aligned with regulations.
What we maintain
Private networks are critical assets. Our specialists provide end‑to‑end maintenance for:
Private substations
From routine servicing to full operational management.
HV switchgear, transformers and ring main units
Including inspection, testing and condition monitoring.
LV distribution boards, cabling and protection systems
Ensuring safe operation and minimising downtime.
Protection relays and control systems
Ensuring correct operation and fault clearance.
Earthing systems
Testing, verification and remedial works.
The benefits of using GridCore
A well‑maintained private network reduces risk, extends asset life and prevents costly failures. Proactive testing, inspection and compliance support are essential for meeting regulations and ensuring safe operation of HV infrastructure.
Delivered throughout the UK, GridCore’s maintenance services are designed to:
Prevent unplanned outages through early identification of defects.
Ensure compliance with statutory requirements and duty‑holder responsibilities.
Optimise asset performance and reduce whole‑life costs.
Provide peace of mind with clear reporting and expert technical guidance.
Sectors we support
We maintain private networks for:
Manufacturing and industrial sites
Logistics hubs and distribution centres
Commercial estates and business parks
Utilities and energy operators
Data centres and critical infrastructure
Education, healthcare and public sector estates
A trusted HV and LV partner
GridCore’s team is ready to meet your HV/LV requirements.
Contact our specialists today.
