Reliable Electrical O&M Services for Switchgear, Transformers & Substations
We provide expert operations and maintenance (O&M) services for electrical infrastructure, including high voltage (HV) and low voltage (LV) switchgear, power transformers, containerised substations, and associated control and protection systems.
Our fully qualified engineers deliver preventative and reactive maintenance services to ensure the safety, efficiency, and reliability of your power systems.
Serving industrial, commercial, utility, and renewable sectors across the UK, we keep your electrical assets fully operational, compliant, and ready for peak performance.
Our Electrical Maintenance Services
Preventative Maintenance
Scheduled inspections, cleaning, testing, and servicing of critical electrical components to reduce the risk of faults, downtime, or system failure.
Switchgear Maintenance (HV/LV)
Comprehensive inspection and servicing of AIS/GIS switchgear, including contact resistance testing, insulation testing, and functional checks on circuit breakers, relays, and protection devices.
Transformer Maintenance
Ongoing maintenance of oil-filled and dry-type transformers, including oil sampling and analysis, bushing inspections, cooling system checks, and electrical testing.
Emergency & Reactive Repairs
Fast response for electrical breakdowns, component failures, or loss of power. We diagnose and repair faults in HV/LV systems, reducing downtime and operational disruption.
Testing & Condition Monitoring
Routine and on-demand testing services such as:
Partial discharge testing
Thermographic surveys
Dissolved gas analysis (DGA)
Insulation resistance and earth testing
Asset Management & Reporting
We provide digital asset registers, condition reports, and service history logs to support regulatory compliance and long-term asset health tracking.
Electrical Safety Management
Support with electrical safety procedures, including Safe Systems of Work (SSoW), HV permits, and authorised personnel training.
Planned Maintenance Contracts
We offer tailored maintenance packages for ongoing support:
Annual or biannual maintenance visits
24/7 emergency response options
Condition-based or predictive maintenance
Compliance audits and remedial works
