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Solar Energy Guidelines

printer-friendlySolar Energy Permit Guidelines
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Zoning: Building-mounted SES are permitted as an accessory use in all zoning districts.
Questions may be directed to the City Planner, Steve Manning,, 630-353-8113 .

Permits: For small-scale, standard SES design, permits are typically issued within 10 days after all
documents submitted in person to the Community Development Department, Monday through Friday
8:30am - 5:00pm, including:

  • Building Permit application form
  • Contractor License application form with certificate of insurance and bond
  • Plat of Survey with plan sketch showing where panels will be located with dimensions
  • Structural calculations signed and sealed by a licensed structural engineer that certifies that the mounted building wall or roof is structurally sound and will bear weight of the SES.
  • Construction plans in compliance with 2015 International Solar Energy Provisions Code

[See attached page for plan submittal requirements]

Fee: $215 For small-scale, standard SES design. Total fee is payable by check or cash when
permit issued. [Additional fees may be required for large scale or non-standard SES designs.]

Inspections: Three inspections are typically required; ( 1) Rough Electric - before roof panels installed (2) Final Electric (3) Building Final - when installation complete. To schedule inspections, call 630-353-8115 by 2:00 on business day before inspection requested. Inspections typically done between 8:30am - 12:00pm. Contractor must be present. [Additional inspections may be required for non-standard SES or if roof or wall modifications are needed.]

Questions: On permits and inspections may be directed to Mary Belmonte,,