East Lake St. Clair Wind Farm Project
230 kV High Voltage Facilities

Selected Projects

Wind Farm Projects

● East Durham Wind Farm Substation
● East Lake St. Clair Wind Farm Substation
● Grand Valley III Wind Farm Substation
● Greenwich CSS - 230kV Junction Substation
● Gunn's Hill Wind Farm Substation
● Jericho, Adelaide and Bornish Wind Farms
● McLeans Mountain Wind Farm Project
● Niagara Regional Wind Farm Substations
● Plateau 1, 2 & 3 Wind Farm Substations
● Spence CSS - 230kV Junction Substation
● North Kent Windfarm Project - 230kV-34.5kV Interconnection/Collector Substation


Location: Mitchells Bay, Ontario
Owner: International Power GDF Suez
Contractor: EPTCON Ltd.
Engineer: OneLine Engineering

OneLine Engineering provided a complete electrical engineering and design services for a new 230 kV collector system substation required for the interconnection of a 99 MW wind farm to the utility. The scope of work included:

• Design of the protection relaying schemes for the line protection, transformer protection, teleprotection, bus protection and feeder protection, including detailed the drawings required for assembly of the relay panels
• Production of all related electrical drawings including single line diagrams, AC & DC schematics, trip logic diagrams, cable and termination schedules, grounding and lighting layouts
• RTU communications integration with IESO/HONI
• Development of HMI screens for the substation SCADA
• Construction and commissioning assistance

OneLine Engineering is part of Cormorant Utility Services

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Selected Projects
High Voltage EPC Services

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