Typical residential solar project timeline
A home solar project generally follows a sequence from initial inquiry to final commissioning. Timelines vary by location, permitting complexity, and installer workload, but many projects take 1 to 3 months from contract to activation.
Common steps:
- Initial consultation: Discuss goals, review energy use, and get an initial estimate.
- Site assessment and proposal: Installer performs a site visit, shading analysis, and structural check, then provides a detailed quote.
- Permitting and approvals: Submit plans to local authorities and the utility for interconnection approval. This can take several weeks depending on jurisdiction.
- Equipment procurement: Order panels, inverters, racking, and other components.
- Installation: Rooftop or ground-mounted racking and panels are installed; electrical wiring is completed and inspected.
- Inspections and interconnection: Local inspector and utility approve the system; a final meter or meter upgrade may be installed.
- Commissioning: System is turned on, and monitoring is activated.
Factors that affect timeline
- Permit processing speed and local inspection availability
- Availability of chosen equipment and installer scheduling
- Any needed roof repairs or electrical upgrades
Clear communication with the installer about expected timelines and permit responsibilities helps keep projects on track.