• facility bio

    Facility Bio

    • Canton, MS
    • 4.7 million ft²
    • Manufactures Altima, Titan and Murano vehicles
    • 10 x 2,500 ton chillers
  • case study situation


    • Corporate energy initiatives to reduce energy spending prompted optimization projects
    • Plant configured using an inherently inefficient Primary/Secondary hydronic design
    • Existing control system was functional, but had no optimization sequence in place
    • Plant controls were being operated manually
  • case study solution


    • Convert plant hydronic configuration to Integrated Primary-Secondary® (IPS)
    • Implement tekWorx PLC-based Control Engine Optimization (CEO®) strategy on Nissan standard PLC
    • CEO® adaptive algorithms continuously adjust system operation in real-time, maximizing overall plant efficiency

Results That Exceed Client Expectations

  • chiller plant optimization savings

    Financial Savings

    • $490,000 annual savings
    • 1.5-year payback


  • chiller plant optimization energy savings

    Energy Impact

    • 8,500,000 kWh saved annually

  • Chilled water plant optimization operational benefits

    Operational Benefits

    • Less equipment wear and tear
    • Operators freed up for other tasks
    • Automated system controlling all plant equipment
    • Chiller health monitoring system provides alerts for preventive maintenance actions

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