Operation.. Maintenance.

Operation.. Maintenance.

We'll take care of it for you.

We'll take care of it for you.

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


O&M.

O&M.

We're here for you when you need us.

We're here for you when you need us.

11kV switchgear commissioning
11kV switchgear commissioning

Ready for the next step?

Ready for the next step?

Discover what's on offer.

Discover what's on offer.

Discover what's on offer.

Contact us

Logo

Contact

sales@pesleeds.co.uk

+44 113 258 1083

Unit A, Tong Road Ind.

Est Leeds, LS12 4BD

Reg. 4004486

Logo

Contact

sales@pesleeds.co.uk

+44 113 258 1083

Unit A, Tong Road Ind.

Est Leeds, LS12 4BD

Reg. 4004486

Logo

Contact

sales@pesleeds.co.uk

+44 113 258 1083

Unit A, Tong Road Ind.

Est Leeds, LS12 4BD

Reg. 4004486