Elmhurst Static Var Compensators

Additional voltage required to support load growth

Elmhurst, Illinois
Client: Exelon Corporation (ComEd)

The installation of two 300-MVAR SVCs at the existing substation provided additional voltage needed due to load growth and a decline in nearby generation.  Sargent & Lundy provided:

  • Owner's engineer services
  • Substation engineering and design
  • Protection and control engineering
  • Construction support

 Project Scope:

  • Detailed Engineering
    • 138 kV circuit breaker installation to connect the SVC to the Elmhurst bus
    • All associated relaying, foundations and physical work of 138-kV overhead taps
    • 12-kV aux power feeds to the SVC
  • Owner's Engineer
    • Development of SVC technical specification
    • Development of bid specifications
    • Bid evaluations
    • Technical review of SVC design documents and vendor submittals for compliance with ComEd standards and specification

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Todd Hanssen

Senior Vice President




Todd brings 25 years of experience in the design of power generation and transmission projects and is currently the director of power transmission construction services.