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High-voltage substations

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Infrastructure facilities, industry, and private households around the world require more and more electrical energy

High-voltage substations, the node points of today’s complex power transmission infrastructure, play a key role in meeting this demand safely and reliably. Siemens supplies them on a turnkey basis.  

 

Wherever you are, Siemens is your reliable partner for the one-stop planning and construction of customized, state-of-the-art high-voltage substations.

For more information please contact our Customer Support Center:
Customer Support Center

Meeting your demands

Solutions and services for the entire life cycle

You expect comprehensive expertise in power transmission, technology leadership, long-standing experience from utility and industry projects around the world, and reliable financial strength? Then Siemens is your partner of choice for one-stop high-voltage substation solutions, on budget and on time. 

Much more than you would expect

Siemens’ scope of supply comprises much more than the high-voltage equipment that is required for the operation of a substation. It includes high- and medium-voltage switchgear, transformers, and equipment as well as all ancillary systems for control, protection, communication, and condition monitoring. Moreover, Siemens is in a position to supply the entire high-voltage substation as an individual turnkey solution or even act as your general contractor for engineering, procurement, and construction (EPC) / engineering, procurement, and construction management (EPCM) projects.  

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Siemens provides the entire range of services, technologies, and components that are required for the successful construction and operation of a high-voltage substation of any type. It is up to you to select from a comprehensive range of available services:   

  • Concept, planning, engineering
  • Project execution including project management and manufacturing of all key components
  • Commissioning
  • Operation 
  • Maintenance, refurbishments, upgrades, dismantling of old equipment
  • Financing
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Siemens helps industry customers focus on their core business by supplying fast, reliable, complete solutions that are based on a high degree of flexibility, continuous development, and outstanding consulting expertise for all steps of a high-voltage substation project: 

  • Concept, planning, engineering
  • Support in grid code compliance as well as in 
  • handling and processing official planning documents and approval procedures
  • Project execution including project management and manufacturing of all key components
  • Commissioning
  • Operation
  • Maintenance refurbishments, upgrades, and dismantling of old equipment 
  • Financing

Reliable partner

A convincing success story

Siemens has proven to be a reliable, trustworthy supplier of high-voltage substations for all voltage levels and for all applications – from basic substations with a single busbar to interconnection substations with multiple busbars or a breaker-and-a-half arrangement for up to 800 kV, 8,000 A, and short-circuit currents of up to 100 kA.

The numerous Siemens high-voltage substations that are in operation worldwide comprise grid access solutions for wind farms as well as exceptionally compact solutions that bring high voltage right into the centers of consumption and ultra-high voltage substations for the backbones of transmission grids.

 

Siemens serves customers from all across the globe, and no wonder the number of successfully completed projects keeps growing steadily.

Systems overview

Types of high-voltage substations

The various types of switchgear that are available for high-voltage substations make it possible to provide flexible, individual solutions. Here’s an overview of the different kinds of high-voltage substations and their main advantages. 

Reliable, proven, cost-efficient