Deniliquin Substation

Year
2025
Location
Deniliquin, NSW
Client
Transgrid

Project Overview

Appointed as Principal Contractor, Optimal Power delivered a full civil and electrical substation extension at Deniliquin, including new bay infrastructure, primary equipment installation, shunt reactor delivery and installation, busbar extensions welded and tested on-site, full earthing systems, and asset replacements — all executed to stringent Transgrid standards.

Scope Highlights

  • 2x Emspec Disconnectors & 66kV busbar extension
  • 2x GE Live Tank Circuit Breakers (245kV)
  • 2x 66kV 11MVAr Shunt Reactors — delivery & install
  • Asset replacement: 3x 132kV CVTs, 1x 175kV CB, 3x CTs
  • Earth grid & busbar conductors — welded on-site
  • Bench extension, reactor bunds & equipment foundations
  • 2x Emspec Disconnectors & 66kV busbar extension
  • 2x GE Live Tank Circuit Breakers (245kV)
  • 2x 66kV 11MVAr Shunt Reactors — delivery & install
  • Asset replacement: 3x 132kV CVTs, 1x 175kV CB, 3x CTs
  • Earth grid & busbar conductors — welded on-site
  • Bench extension, reactor bunds & equipment foundations

‍

★★★★★
"I have worked with Optimal Power on numerous critical projects across the Transgrid network, including the Deniliquin Reactors and the Balranald Capacitor Bank. Each project has been delivered to the highest standard, with a strong and consistent focus on safety. Their professionalism and collaborative approach make them a pleasure to work with and greatly simplify project management."
Michael Haddon | Transgrid
Optimal Power