Services for Power Transmission

We keep the world energized!

It takes highly qualified services to guarantee the degree of performance, reliability, sustainability and availability required for success in the power business today. We at Siemens Energy conduct services for thousands of high-voltage assets, like switchgear, transformers, FACTS and HVDC substations. Our competence as an OEM, and our huge installed base with a significant variety in applied technology, make us your partner of choice with an unbeatable amount of experience to solve your challenges. Our 24/7 emergency hotline and our global presence guarantee the fastest, most efficient and effective support in the industry.

Energy is nothing without Transmission 

We keep the world energized -                                                    Siemens Energy Transmission Services

Modernization and Retrofit

  • Modernization of hardware and software with state-of-the-art versions
  • ­Upgrading functions to tune your devices for higher requirements by replacing components
  • Retrofit of individual components to maintain the delivery capacity


  • Overhaul of your equipment

Upgrade & Uprate

  • System-wide feature upgrades and uprated performance
  • ­Substitution of old modules by latest state-of-the-art components


  • Extension of your existing installation according to growing demand and needs

Training Service

  • Constantly developed customized and standardized trainings by Siemens Energy-certified trainers, combining technology and business learning
  • ­Training centers with extensive technical equipment and facilities

Repair Service

  • Initial on-site investigation
  • Developed repair solutions, repairs include parts and materials by expert field service personnel
  • OEM workshops address failure analysis and repair

Emergency Service

  • On-call duty contract 24/7 2nd and 3rd level senior technical support as well as on-site investigation within a contractual time-frame
  • Utilization of Siemens Energy´s internal engineering department


  • Global network of OEM trained and experienced supervisors

Erection and Commissioning

  • Global network of OEM trained and experienced experts for erection and commissioning to ensure highest reliability

Project Management

  • Global network of trained and experienced project managers

Preventive Maintenance

  • Time- and condition-based maintenance, following OEM recommendations
  • Optimizing performance and fighting natural aging
  • Ensuring that parts still in good conditions are kept in this state
  • ­Replacement of certain parts in good times
  • Local qualified experts

Spare Parts Management

  • Provision of high-quality spares across all applied technologies and asset generations
  • Reliable global supply of single parts, parts kits and complete spare modules for planned and unplanned maintenance measures
  • Managed spares service models

Spares Consulting

  • Individual consulting solutions for new strategic & operational spares as well as for already existing customer spares

Obsolescence Management

  • Provision of detailed information (internal/external) on obsolete parts and products in our globally installed base
  • Recommendations for remedial action, including retrofits, modernizations, last calls for replacement spares or disposal

Monitoring and Diagnostics

  • Monitoring solutions for your assets
  • ­Dynamic analysis of asset conditions in real-time

Remote Service

  • Remote Diagnostic Center that performs 24/7 monitoring and diagnostics for online devices
  • Remote analysis by experts, including recommendations
  • Reliable and secure data connection

Asset Management

  • Vendor-independent consulting services and software solutions concerning asset and risk management, feasibility, studies, compliance reviews, due diligence and audits etc.

Cyber Security

  • One-stop service solution for security patch management
  • Identification and management of vulnerabilities and security patches seamlessly and efficiently – all from a single source

24/7 Customer Support

  • 1st level call center support
  • 2nd and 3rd level technical expert support

Asset Assessment

  • On-site condition assessment of mechanical, electrical, environmental and safety conditions
  • Detailed condition report, early warning indication and recommendation plan

Asset Audits

  • Vendor-independent consulting and audit services
  • Recommendations for optimized asset management, based on OEM expertise

Asset Consulting

  • Vendor-independent consulting services and software solutions concerning asset and risk management, feasibility studies, compliance reviews, due diligence and audits etc.


  • Maximum flexibility through our comprehensive suite of on-demand services

Frame Agreement

  • Reliable terms and conditions tailored to your needs

Service Contract

  • E.g., availability guarantees for expert know-how

Long Term Programs

  • Your trusted partner for the entire maintenance of your assets

Operation & Maintenance

  • Your trusted partner for the entire operation & maintenance of your assets

A comprehensive suite of services and contract models

We keep your transmission equipment in safe operation over decades.


Discover how each service building block adds significant value to increase availability, reliability, performance and sustainability while saving lifecycle costs at the same time.

We service your power transmission products, systems and solutions

Keep the lights on!

Trends like rising energy demand, extreme weather conditions, the energy transition and increased cyber attacks add more stress on transmission assets.


Therefore, it´s more important than ever to follow valuable service recommendations. Find out which service activities are relevant for your individual assets along the lifecycle!

Recommended service activities along the lifeycle

Best-in-class services for your high voltage assets

With thousands of high voltage assets under maintenance combined with our unique skills as an OEM, we know every detail of your products. This enables us to deliver the fastest and most effective support for a vast variety of high voltage assets.

Valuable expertise in your vertical

Whatever business you operate, we have the appropriate lifecycle regimes. With decades of  experience in many verticals and our global presence, we ensure best-in-class customized support for your enterprise. 

Get in contact with our Customer Support

Do you need help on a concrete project? Do you need a quote for any of our products or solutions? Do you need support for your installed equipment? Do you have a technical question? Do you need something totally different? You can contact us 24/7. We are looking forward to your request.