Solar Panel Installation Process — Step by Step
Published 2026-02-20 · Updated 2026-07-07 · MySunROI Research Team
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Residential solar installation takes 1–3 days on-site but 4–12 weeks total including permits and utility interconnection. Understanding the process helps you plan and avoid delays.
Installation timeline
- 1. Site survey & design (1–2 weeks)
- 2. Permits & HOA approval (2–6 weeks)
- 3. Installation (1–3 days)
- 4. Inspection & PTO (2–4 weeks)
- 5. System live — monitoring begins
Permits & interconnection
Your installer handles permits. Utility interconnection agreement is required before grid export.
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Frequently Asked Questions
How long until my system runs?
Typically 6–12 weeks from contract to permission to operate.