Solar Installation Guide 2026: From Site Visit to PTO (2026 Guide)
Follow the full residential solar installation timeline in 2026, including design, permits, install day, inspection, and permission to operate.
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Project Design and Site Assessment
Installers evaluate roof condition, electrical panel readiness, and shading to design your system. Start with a baseline estimate on the home page before design review.
Permitting and Utility Interconnection
Municipal permit and utility approval timelines vary by region. Ask for milestone dates and responsibility ownership in writing.
Installation Day and Inspection
Most residential installs complete quickly, then move to local inspection and utility review. Keep all documents for incentive and warranty records.
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PTO, Monitoring, and Ongoing Performance
After permission to operate, monitor output trends and confirm expected bill reduction. Use the savings calculator section and revisit warranty coverage for long-term planning.
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Top Solar Providers
| Provider | Type | Highlight | Rating | Action |
|---|---|---|---|---|
| EnergySage | Marketplace | Compare installer quotes free | 4.8/5 | Get Quotes |
| Sunrun | Installer | $0 down solar lease/loan | 4.5/5 | View Plans |
| SunPower | Premium | Highest efficiency panels | 4.6/5 | Get Quote |
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Frequently Asked Questions
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