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How long is the approval timeline for government rooftop solar in Canada?

Approval timelines for public-sector solar projects include internal business case approval, budget allocation, procurement (RFP or tender), engineering review, building and electrical permitting, fire authority review, and utility interconnection approval.

UpdatedJune 2026
Read time4 min read
CategoryGovernment & Municipal Energy Projects
Reviewed byGI Engineering
Clear answer

Clear answer, explained.

Large or multi-site projects and those using PPAs or grant funding may require additional governance and review stages, extending timelines.


Key points

What this means in practice.

  • Feasibility and business case approval: weeks to months
  • Procurement and tender process: 2–6 months
  • Structural, electrical, and fire code review
  • Utility interconnection studies and approval
  • Grant and funding program approval (if applicable) Final permission to operate before commissioning

When this applies

Best-fit environments.

  • Municipal, provincial, and federal rooftop solar projects
  • Schools, hospitals, civic buildings, and infrastructure facilities
  • Capital-funded or
  • PPA-financed projects

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