Service & Maintenance
HV Switching, Commissioning and SAP Services
We provide authorised HV switching operations, commissioning and Senior Authorised Person (SAP) services to ensure safe energisation and operational continuity.
Our services include:
Switching schedules and method statements
Planned outages and network isolations
Safe system of work implementation
Functional testing and commissioning
Protection relay testing and verification
Energisation and handover documentation
Protection, Control and Earthing Systems
Effective protection and earthing are fundamental to any high voltage network – they safeguard both people and equipment.
Hardtech HV designs and installs:
Protection relays and grading schemes
Control panels and SCADA integration
LV and HV interlocking systems
Earth grids and electrode systems
Step and touch potential mitigation
Fault level and discrimination studies
Fault Response, Maintenance and Asset Management
Electrical infrastructure must perform reliably. Hardtech HV provides responsive fault response, planned maintenance and asset management services to protect network performance.
Our support includes:
Emergency HV fault attendance
Condition-based maintenance
Transformer inspections and oil sampling
Switchgear servicing and testing
Thermal imaging surveys
Asset lifecycle reporting
FAQs - Service & Maintenance
Does Hardtech HV provide HV switching and commissioning services?
Absolutely. Our Senior Authorised Persons (SAPs) carry out HV switching operations, planned outages, isolations, functional testing, and energisation. Switching is carefully planned and coordinated to maintain safety, minimise network downtime, and ensure assets are fully tested before use.
What maintenance and fault response services does Hardtech HV offer?
We provide emergency fault response, planned maintenance, transformer inspections, switchgear servicing, thermal imaging surveys, and asset reporting. These services help reduce unplanned outages, extend asset life, and support informed decisions about infrastructure investment and replacement.
How does Hardtech HV maintain safety during maintenance works?
All maintenance, fault response, and switching operations follow rigorous safety procedures. Our qualified personnel ensure both network assets and teams are protected at all times.
Which clients benefit from Hardtech HV's maintenance services?
We support asset owners, industrial sites, and commercial facilities with planned and reactive maintenance to reduce downtime and extend asset life.
How long does maintenance or fault response take?
Response times depend on the type and condition of assets. We provide realistic schedules and prioritise urgent work to minimise disruption and maintain network reliability.
What sets Hardtech HV apart in service and maintenance?
Our engineers combine technical expertise with a focus on compliance, reliability, and efficiency, ensuring networks remain safe, operational, and resilient.
Reliable Partners For Critical Infrastructure.
Get in touch to discuss your project, challenges, or requirements. Our specialists are ready to support you end-to-end.