Quick answer
The practical explanation
Requirements vary by location and utility, but residential projects commonly involve local building or electrical review and a utility interconnection process. The exact sequence should be confirmed for the property before installation.
What to know
Three points to keep in mind
- Ask which party submits each permit and interconnection document.
- Make sure permit fees and responsibilities are shown in the proposal.
- Permission to operate is different from physical installation completion.
For your home
A site-specific answer still matters
Solar results and service needs depend on the roof, equipment, shade, household electricity use, utility requirements, and the condition of the existing system. Use this guide as a starting point, then have the property and equipment evaluated before making a major decision.
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Authoritative references
This article summarizes general consumer information and is not tax, legal, insurance, engineering, or utility-rate advice.