Lower Mattagami – 115 kV,
10 MVA Construction Power Substation




Selected Projects

Hydro Generation Projects

● Hollingsworth Generating Station Upgrade
● Lower Mattagami - 115kV,
10MVA Construction Power Substation

● OPG - Arnprior Generating Station
● OPG - Calabogie Generating Station
● OPG - Chenaux Generating Station
● OPG - Sir Adam Beck Plant 1
● OPG - Sir Adam Beck Plant 1,
Generating Unit 10

● OPG - Cameron Falls Generating Station, DC System Upgrade







   

Location: Smoky Falls, Ontario
Owner: Ontario Power Generation (OPG)
Contractor: Kiewit-Alarie – A Partnership
Engineer: OneLine Engineering

OneLine Engineering provided complete electrical engineering and design services for a 10 MVA, 115 kV substation for the supply of construction and camp power, including the interconnection with the 13.8 kV distribution system. The scope of work includes:

• Selection of a suitable site for the substation
• Selection and layout of the substation equipment
• Production of major equipment specifications
• Design of the protection relaying schemes for the substation, including detailed design of the relay panels and control building
• Review and stamping of the distribution system single line diagrams, produced by the Client
• Design of the construction power substation interface with the existing OPG substation equipment
• Programming and setting of the substation protection relays
• Design of the substation ground grid, including taking the ground resistivity measurements at site
• Construction and commissioning assistance





OneLine Engineering is part of Cormorant Utility Services


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