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City of Elmhurst (IL)

Illinois Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2020
Fire Code Version2015 Building Code
Wet Stamps RequiredDigital Structural
Fire Setback Enforced1

Codes

NEC Code Version
2020
Fire Code Version
2015 Building Code
Code List

2012 INTERNATIONAL BUILDING CODE 2021 INTERNATIONAL RESIDENTIAL CODE 2014 ILLINOIS PLUMBING CODE 2012 INTERNATIONAL MECHANICAL CODE 2020 NATIONAL ELECTRICAL CODE 2012 INTERNATIONAL SWIMMING POOL & SPA CODE 2012 INTERNATIONAL FUEL GAS CODE 2015 ENERGY CONSERVATION CODE 2012 PROPERTY MAINTENANCE CODE 2012 INTERNATIONAL EXISTING BUILDING CODE 2012 INTERNATIONAL FIRE CODE 2012 NFPA 101 LIFE SAFETY CODE

ASCE Code Specification
ASCE 7-16

SolarAPP+ & submittal

How Many Plansets Required
1
Revision Required
0
New Planset Required For Module Swap
0

Stamps

Wet Stamps Required
Digital Structural
Structural Calculations Required
Yes
Stamp Location On Plans
Unspecified
Date On Stamps
Expiration Date

Fire setbacks

Fire Setback Enforced
1
Setback Notes

Standard

Structural & loads

Wind Speed
90
Wind Notes

Exposure Category B

Snow Load
30
Reducible Snow Load Allowed
1
Max Attachment Spacing
96
Structural Notes

30 lb snow load for all residential roofs (no reductions allowed).

Minimum Ground On Roof
#10

Electrical

Electrical Load Calcs Required
Derates
Allowed POI
PV Breaker,Meter Adapter,Line Side Taps,Load Side Taps
Panel Schedule Required
Partial Home Backup
Temperature Rating
90
De Rating Ampacity
1
BOS Restrictions

All equipment shall be installed a minimum of 4 (four) feet above the existing grade.

Battery / ESS

Unique Battery Placards Needed
0
ESS Notes

Standard

Separate ESS Disconnect Required
ESS Disconnect
ESS Elevation Detail Required
No

Plan set

Plan Set Requirements

add notes to plans: Local inspector to field verify proper access pathways are provided around the PV installation. Pathways shall be located in areas with minimal obstructions such as landscaping, conduit, or mechanical equipment. Local inspector to field verify that proper grounding rods (two rods) are connected to the ground bar in the utility meter and proper bonding from the street side of the water meter to the main service panel neutral bus. Local inspector to field verify that all PV system-mounting lag screws are properly fastened to the roof rafters / trusses. Local inspector to field verify that all interior and exterior conduit, enclosures, back fed breakers and disconnects are properly labeled and marked. A qualified Electrician, approved plans, this plan review, attic access, Electrical Main Panel access and a ladder are required to be available on site at time of inspections. All exterior above ground electrical conduit shall be rigid galvanized pipe. Including the ground rod conductor conduit

Electrical Diagram

Standard

Custom Placards Required
0

Ground mount

Ground Mount Fencing Required
Mesh/Scrim
Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the City of Elmhurst (IL) building department before you rely on this, and treat it as a research head start, not a ruling. Getting quotes? Run them through the quote checker first.