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City of Troy (IL)

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

Codes

NEC Code Version
2020
Code List

2021 INTERNATIONAL BUILDING CODE

2021 INTERNATIONAL ENERGY CONSERVATION CODE

2021 INTERNATIONAL FIRE CODE

2021 INTERNATIONAL SOLAR ENERGY PROVISIONS AND ORDINANCE 2021 INTERNATIONAL RESIDENTIAL BUILDING CODE

2021 INTERNATIONAL SOLAR ENERGY PROVISIONS, AND ORDINANCE 2020 NATIONAL ELECTRICAL CODE

ILLINOIS STATE PLUMBING CODE

CITY OF TROY SUBDIVISION ORDINANCE AND ZONING ORDINANCE

IEBC Accepted
1
ASCE Code Specification
ASCE 7-16

SolarAPP+ & submittal

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

Stamps

Ee Stamp Required On SLD
No
Wet Stamps Required
Digital Structural
Structural Calculations Required
Yes

Fire setbacks

Fire Setback Enforced
1
Hip Valley Setback
1
Eave Setback
3
Setback Notes

We require 3โ€™ on the eaves and 18โ€ at the peaks and in all valleys for fire setbacks.  

Structural & loads

Wind Speed
90
Snow Load
20
Reducible Snow Load Allowed
1
Max Attachment Spacing
96
Structural Notes

Standard

Minimum Ground On Roof
#10

Electrical

Allowed POI
Meter Adapter,Line Side Taps,Load Side Taps,PV Breaker
Panel Schedule Required
Partial Home Backup
Temperature Rating
90
De Rating Ampacity
0.91

Battery / ESS

Unique Battery Placards Needed
0
ESS Notes

Standard

Separate ESS Disconnect Required
ESS Disconnect
ESS Elevation Detail Required
No

Plan set

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 Troy (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.