115 kV Primary Substation Replacement

Tonawanda, NY

Project Highlights

The electrical engineering design included a 115 - 4.16kV, 14MVA dual fed substation to feed this industrial client facility.  The project included:

  • Protection/standards review with the utility, National Grid, to ensure proper operation and coordination. This included meetings, review, submissions, three-line and single-line diagrams and comments.
  • Distribution structures with structural foundations.
  • Connection to the existing utility overhead line.
  • Project phasing scheme to minimize downtime
  • Low impedance ground mat for minimal step and touch potentials.
  • 4160V switchgear with pre-engineered building.
  • Relaying and SCADA systems.


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