Solar Installation Timeline in Naperville, IL

A detailed breakdown of how long each phase of solar installation takes in Naperville, based on local permit processing times and ComEd (Commonwealth Edison) interconnection requirements.

3-5 weeks
Permit Timeline
$400
Permit Cost
7.2 kW
Recommended System
ComEd (Commonwealth Edison)
Utility Provider

Interactive Timeline

Select your roof type below to see how it affects your installation timeline. Tile and slate roofs require additional mounting work.

Installation Timeline for Naperville, IL

13 weeks
Estimated total time (~3 months)
1

Site Survey & Design

1 week

Engineer visits your home, designs system layout, and finalizes panel placement.

2

Permitting

3-5 weeks

Your installer submits building permits and HOA applications to your local jurisdiction.

3

Installation

1 day

Crew mounts racking, installs panels, wires inverter, and connects to your electrical panel.

4

Inspection

2 weeks

City building inspector verifies the installation meets code and safety requirements.

5

Utility Interconnection

5 weeks

Your utility installs a net meter and grants Permission to Operate (PTO).

Other Cities in Illinois

ChicagoAuroraRockfordSpringfieldPeoriaJoliet

More Solar Resources for Naperville

Naperville Solar PermitsPermit costs and requirementsNaperville Installation ChecklistStep-by-step installation guideNaperville Solar SavingsCalculate how much you can saveNaperville Roof AssessmentIs your roof ready for solar?

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