One Line Engineering - Cambridge

One Line Engineering is a specialized power system engineering firm based in Cambridge, Ontario, providing comprehensive engineering services to utilities, industrial facilities, and EPC contractors. With expertise in substation design and power system analysis, the company delivers innovative solutions for both new construction and retrofit projects across Ontario.

About One Line Engineering

Founded in 2006, One Line Engineering specializes in the detailed design of protection and control systems for high-voltage substations and industrial electrical power systems. Located in Cambridge and operating through its St. Catharines office, the company combines hands-on expertise with advanced design software to solve complex power system challenges safely, on schedule, and within budget.

Power System Engineering Solutions

One Line Engineering offers a comprehensive range of specialized engineering services:

• Load flow and short circuit calculations
• Protection relay coordination studies and settings
• Substation design and automation integration
• Arc flash hazard calculations and grounding studies
• Motor starting and transformer inrush analysis
• Complete project management and commissioning assistance

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