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Village of Wilmette (IL)

Illinois Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2017
Fire Code Version2018 Building Code
SolarAPP+ StatusTargeted
Wet Stamps RequiredDigital Structural
Fire Setback Enforced1

Codes

NEC Code Version
2017
Fire Code Version
2018 Building Code
Code List

2018 INTERNATIONAL RESIDENTAL CODE (IRC)

2017 NATIONAL ELECTRIC CODE (NEC)

ASCE Code Specification
ASCE 7-16

SolarAPP+ & submittal

SolarAPP+ Status
Targeted
Any SolarAPP+ Restrictions
1
SolarAPP+ Restrictions
MPU,Derate
How Many Plansets Required
2
Revision Required
1
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

3' From Rake and 3 along the Ridge

Structural & loads

Wind Speed
90
Wind Notes

Exposure Category B

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

Standard

Minimum Ground On Roof
#10

Electrical

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

Battery / ESS

Unique Battery Placards Needed
0
ESS Notes

ALL BATTERIES REQUIRED OUTSIDE

Separate ESS Disconnect Required
ESS Disconnect
ESS Elevation Detail Required
No

Plan set

Site
  • provide measure from panels to property lines
  • provide overall building height on site plan
Electrical Diagram

Standard

Electrical Diagram Notes

MPU [THE SERVICE METER SHALL BE REPLACED WITH A SOCKET THAT HAS AN INTEGRAL DISCONNECT. THIS WILL REQUIRE THE MAIN GROUNDING ELECTRODE CONDUCTOR TO ORIGINATE AT THE METER SOCKER (W/ DISCO) AND TERMINATE AT THE WATER SERVICE LINE AHEAD OF THE METER]

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 Village of Wilmette (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.