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County of St. Clair (IL)

Illinois Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2011
Fire Code Version2018 Building Code
SolarAPP+ StatusNot accepted
Wet Stamps RequiredDigital Structural,Digital Electrical
Fire Setback Enforced1

Codes

NEC Code Version
2011
Fire Code Version
2018 Building Code
Code List

2012 INTERNATIONAL BUILDING CODE

2012 INTERNATIONAL RESIDENTIAL CODE

2018 ILLINOIS ENERGY CONSERVATION CODE

2011 NATIONAL ELECTRICAL CODE

IEBC Accepted
1
ASCE Code Specification
ASCE 7-16

SolarAPP+ & submittal

SolarAPP+ Status
Not accepted
Any SolarAPP+ Restrictions
1
How Many Plansets Required
1
Revision Required
1
Rough Inspection
None
New Planset Required For Module Swap
0

Stamps

Ee Stamp Required On SLD
Yes
Wet Stamps Required
Digital Structural,Digital Electrical
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
115
Snow Load
25
Reducible Snow Load Allowed
1
Max Attachment Spacing
96
Structural Notes

Standard

Minimum Ground On Roof
#10

Electrical

AC Disconnect Required
Yes
Electrical Load Calcs Required
Derates
Allowed POI
Meter Adapter,Load Side Taps,PV Breaker,Line Side Taps
Panel Schedule Required
Partial Home Backup
Temperature Rating
90
De Rating Ampacity
0.91
BOS Restrictions
  • AHJ Requirement: Only breaker, Polaris taps, or Milbank dual lugs are allowed.
  • BATTERIES MUST BE INSTALLED INSIDE, PLEASE CONFIRM WITH LOCAL BRANCH FOR DETAILS.

Battery / ESS

Unique Battery Placards Needed
0
ESS Notes
  • BATTERIES MUST BE INSTALLED INSIDE, PLEASE CONFIRM WITH LOCAL BRANCH FOR DETAILS.
Separate ESS Disconnect Required
ESS Disconnect
ESS Elevation Detail Required
No

Plan set

Plan Set Requirements

Standard

Cover Page

Standard

Site

Site plan must show barriers or screening from neighbors

Roof Plan

Standard

Attachment Detail

Standard

Electrical Diagram

Standard

Electrical Diagram Notes

All Jobs [AHJ REQUIREMENT: BREAKER OR POLARIS TAPS/MILBANK DUAL LUGS ONLY]

Label Page

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 County of St. Clair (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.