4MW / 12MWh BESS interconnected at 27.6kV Chatham, ON

Keys to Success:

    Developed Functional Specifications up-front: used for CIA application, scope risk management, and to minimize the site time and operational disruptions. .




Scope of Services:


  • Complete EPC for 4MW / 12MWh BESS – Civil & Electrical
  • Engineering Design-Build services, turnkey scope of supply
  • Balance of Plant procurement and supply
  • All Protection as per HONI req’s (TTR/LSBS/DGEO, 67/50/51/59/27/81)
  • Permitting & Approvals CIA, ESA, AHJ, MOL
  • RF Path Study
  • HONI & LDC tie-ins and coordination

    • BESS Specification:


  • 4MW / 12MWh, 27.6kV interconnection
  • New Vacuum HV Main Breaker /w control & protection
  • 3qty 27.6kV metal-clad load break switches
  • 3qty 2MVA, 27.6kV/440V Transformers
  • 3qty 1.6MW PCS Inverters
  • 3qty Li-ion Battery 32ft Containers, 4MWh each
  • Customer Metering, Protection and Controls
  • DNP 3.0 / Modbus Com with Utility Relaying / Meters
  • Digital Teleprotection Terminal incl. free-wave antenna
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