Greenwich CSS – 230 kV Junction Substation

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: Town of Dorion, Ontario
Owner: Renewable Energy Services
Contractor: EPTCON Ltd.
Engineer: OneLine Engineering

OneLine Engineering provided complete electrical engineering and design services for a 230 kV junction substation for the interconnection of a 99 MW wind farm to the HONI transmission system. The scope of work includes:

• Design of the protection relaying schemes for the 230 kV line protections, and 230 kV bus protections, including detailed drawings required for assembly of the relay panels
• Production of major electrical equipment specifications
• Production of all related electrical drawings including single line diagrams, AC & DC schematics, trip logic diagrams, equipment layouts, cable and termination schedules and lighting layouts
• Programming and setting of the protection relays
• Design of the substation ground grid including taking the ground resistivity measurements at site
• RTU communications integration with IESO/HONI
• Construction and commissioning assistance

OneLine Engineering is part of Cormorant Utility Services

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