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WT Energiesysteme – Service and maintenance for your electrical installation

A reliable energy supply starts with proactive maintenance. WT Energiesysteme specialises in professional testing and measurement services for medium- and high-voltage installations – from periodic inspections and maintenance right through to a comprehensive functional test of your substation. We ensure that your existing installations are operated safely, in compliance with standards and cost-effectively. Early detection of damage, comprehensive documentation and clear recommendations for action form the core of our work.

WT Energiesysteme employee performing a technical inspection of a control cabinet for the protection

Acting with foresight

Why service and maintenance are crucial to your operational safety

Unplanned outages in switchgear and substations incur high costs and jeopardise security of supply. Regular maintenance, periodic testing and condition-based assessment identify wear and tear, ageing and insulation damage before they lead to faults. This is precisely where WT Energiesysteme comes in – with precise measurements, experienced specialists and a clear objective: maximum availability and an extended service life for your installations.

Your benefits at a glance:

  • Early detection of insulation damage, ageing and material defects

  • Avoiding unplanned breakdowns and costly repairs

  • Greater operational safety and reliability for your plant

  • Extended service life through condition-based assessment

  • Verifiable compliance with standards through comprehensive documentation

Our range of services

An overview of WT Energiesysteme’s inspection and maintenance services

We offer a comprehensive range of testing and measurement services – tailored to the maintenance, periodic inspection and servicing of your existing plant.

  • Early detection of insulation damage, ageing and material defects
  • Measurement of the intensity and frequency of partial discharges
  • Condition-based assessment of the insulation, including documentation and recommendations

Your benefit

Why WT Energiesysteme is the right service provider for you

As a specialist service provider for medium and high voltage, we combine technical precision with a genuine understanding of your systems. Our experts are familiar with the requirements of distribution network operators and support your system from the very first measurement right through to a robust recommendation for action. You receive not just measurement data, but a clear assessment: what is the condition of your system, what needs to be done, and in what order of priority.

This is what makes us your reliable service partner:

A comprehensive range of testing services from a single source

From partial discharge to functional testing.

Experienced specialists

For medium- and high-voltage technology.

Condition-based assessment

Rather than mere measurements.

Comprehensive documentation

As evidence of operations and audits.

Specific recommendations

For maintenance, further inspections and repairs.

Get started now

Check your system now and prevent breakdowns

Ensure the availability and longevity of your energy infrastructure with the testing and maintenance services offered by WT Energiesysteme. Contact us for a personalised consultation on the maintenance, periodic testing and servicing of your medium- and high-voltage installations – we will draw up a bespoke testing plan for you.

Get in touch

You ask, we answer!

Frequently Asked Questions (FAQ)

Regular inspections identify damage to insulation, wear and ageing before they lead to breakdowns. This helps you avoid unplanned downtime and costly consequential damage. At the same time, you improve operational safety and extend the service life of your plant. Comprehensive documentation also serves as evidence of compliance with standards and for audits.