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County of Cook (IL)

Illinois Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2014
Fire Code Version2018 Building Code
SolarAPP+ StatusTargeted
Wet Stamps RequiredDigital Structural
Fire Setback Enforced1

Codes

NEC Code Version
2014
Fire Code Version
2018 Building Code
Code List

2014 COOK COUNTY ELECTRIC CODE

2021 INTERNATIONAL RESIDENTIAL CODE

2021 INTERNATIONAL FIRE CODE

2021 INTERNATIONAL BUILDING CODE

2021 INTERNATIONAL MECHANICAL CODE

2021 INTERNATIONAL ENERGY CONSERVATION CODE

2014 STATE OF ILLINOIS PLUMBING CODE

IEBC Accepted
1
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
Rough Inspection
None
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
  1. 3' from the Rake and 3' Along the Ridge
  2. 18" on all other edges of the MPs

Structural & loads

Wind Speed
90
Wind Notes

Exposure Category B

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

PE stamps: SE digital stamps on corresponding PV pages, PE Letter & Calcs.

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
0.91

Battery / ESS

Unique Battery Placards Needed
0
ESS Notes

BACKUP SWITCH ALLOWED BUT MUST BE TAP IN METER CAN. CANNOT LAND POI IN MSP


ESS elevation diagram is required

Separate ESS Disconnect Required
ESS Disconnect
ESS Elevation Detail Required
Yes

Plan set

Plan Set Requirements

IMC OR RMC CONDUIT REQUIRED

Remove National Electric Code NEC from plans and replace them with CCEC

Site


Site Notes

All Jobs [ABOVE GROUND CONDUIT SHALL BE IMC OR RMC]

Roof Plan Notes

For Townhouses/duplex, add the following note:

If panel placement is at or near (within 4 feet) the common wall and/or at or near common parapet such installation must be non-combustible and with no penetrations to roof unless such penetrations are designed with fire protection of the same rating as the rated roof

Electrical Diagram


Electrical Diagram Notes

All Jobs [solar modules UL 1703 and UL 2703 listed]

Custom Placards Required
0

Ground mount

Ground Mount Fencing Required
Mesh/Scrim
Ground Mount Notes

indicate if property is on sewer or septic

Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the County of Cook (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.