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How do commercial buildings connect a rooftop solar system to the grid in Canada?

Grid connection for commercial rooftop solar involves coordinating with the local utility to ensure the system meets technical and safety requirements.

UpdatedJune 2026
Read time4 min read
CategoryCommercial Rooftop Solar
Reviewed byGI Engineering
Clear answer

Clear answer, explained.

The process typically includes submitting an interconnection application, completing electrical and structural approvals, installing certified equipment, and passing inspections before the system is allowed to export energy under net metering or similar programs.


Key points

What this means in practice.

  • Utility interconnection approval is required before installation
  • Electrical permits and inspections are mandatory
  • Systems must comply with utility and grid safety standards
  • A bi-directional or net meter is installed or configured
  • Final permission to operate is issued by the utility
  • Interconnection timelines vary by utility and system size

When this applies

Best-fit environments.

  • Grid-connected commercial rooftop solar installations
  • Projects participating in net metering or export programs
  • Buildings exporting excess solar generation to the grid
  • Single-site or multi-site commercial solar projects

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