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City of Henry (IL)

Illinois Authority Having Jurisdiction Solar permitting requirements
Wet Stamps RequiredNone

Codes

ASCE Code Specification
ASCE 7-16

SolarAPP+ & submittal

Revision Required
0
Rough Inspection
None
New Planset Required For Module Swap
0

Stamps

Ee Stamp Required On SLD
No
Wet Stamps Required
None
Structural Calculations Required
No

Structural & loads

Wind Speed
90
Snow Load
20
Reducible Snow Load Allowed
1
Max Attachment Spacing
96
Minimum Ground On Roof
#10

Electrical

AC Disconnect Required
No
Electrical Load Calcs Required
Derates
Temperature Rating
90
De Rating Ampacity
0.91

Plan set

Custom Placards Required
0

Ground mount

Ground Mount Fencing Required
No
Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the City of Henry (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.