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City of Trenton (IL)

Illinois Authority Having Jurisdiction Solar permitting requirements

NEC Code Version2023

Fire Code Version2015 Building Code

Wet Stamps RequiredDigital Structural

Codes

NEC Code Version: 2023

Fire Code Version: 2015 Building Code

Code List

2006 INTERNATIONAL RESIDENTIAL CODE

2006 INTERNATIONAL BUILDING CODE

2006 INTERNATIONAL EXISTING BUILDING CODE

2006 INTERNATIONAL FIRE CODE

2006 INTERNATIONAL FUEL GAS CODE

2006 INTERNATIONAL MECHANICAL CODE

2023 NATIONAL ELECTRIC 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

Fire setbacks

Setback Notes: Standard

Structural & loads

Wind Speed: 90

Snow Load: 20

Reducible Snow Load Allowed: 1

Minimum Ground On Roof: #10

Electrical

Allowed POI: Load Side Taps,Meter Adapter,PV Breaker,Line Side Taps

Temperature Rating: 90

De Rating Ampacity: 0.91

Battery / ESS

Unique Battery Placards Needed: 0

ESS Notes: Standard

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 Trenton (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.