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Solar Energy in Naperville, IL (2026)

2 verified solar energy rules for Naperville, Illinois, sourced directly from the municipal code and official government pages.

Verified from official government sources

Panel Permits

Naperville requires a City building permit before installing any solar energy system, per Municipal Code section 6-15-3, subsection 4.1, unless the Director of Transportation, Engineering and Development grants an exemption. Building-integrated panels are permitted by City permit in every zoning district; building-mounted and small ground-mounted arrays get administrative approval in residential districts, and larger ground-mounted systems in Business and Industrial districts, all under Title 6, Chapter 15.

Naperville Solar Panel Permit Requirements

Some Restrictions

Naperville Municipal Code § 6-15-3, Subsection 4.1

4.Permitting and Installation:4.1.Unless otherwise exempted by the Director of Transportation, Engineering and Development, a City of Naperville building permit is required prior to the installation of any Renewable Energy System in addition to the requirements set forth in the Title 8 Self-Supply Solar Provisions.4.2.Reserved.4.3.The owner of a Renewable Energy System shall ensure that it is i...

Expedited Solar Permitting

Naperville authorizes building-mounted and small-scale ground-mounted residential solar systems administratively, skipping the conditional-use hearing, under the zoning code's renewable energy provisions.

Naperville Administrative Solar Permits

Light Restrictions

Naperville Municipal Code § 6-15-5, Subsection 1.1.3

Building-mounted solar energy systems and small-scale ground-mounted solar energy systems may be authorized administratively in all Residential Districts in Chapter 6 in accordance with the requirements of this Chapter and the Title 8 Self-Supply Solar Provisions.

Looking for DuPage County county-wide rules?

County ordinances apply to unincorporated areas and may supplement Naperville city rules.

Solar Energy in DuPage County