Sargent & Lundy

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

Full PDF Profile

For more information about our services, please visit our Power Transmission page.

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.