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Village of Willow Springs (IL)

Illinois Authority Having Jurisdiction Solar permitting requirements

NEC Code Version2014

SolarAPP+ StatusTargeted

Fire Setback Enforced0

Codes

NEC Code Version: 2014

Code List: International fire code, 2018 edition International electrical code, 2018 edition International residential code, 2018 edition International building code, 2018 edition

ASCE Code Specification: ASCE 7-16

SolarAPP+ & submittal

SolarAPP+ Status: Targeted

Any SolarAPP+ Restrictions: 1

SolarAPP+ Restrictions: MPU,Derate

How Many Plansets Required: 1

Revision Required: 0

New Planset Required For Module Swap: 0

Fire setbacks

Fire Setback Enforced: 0

Setback Notes: Standard

Structural & loads

Wind Speed: 90

Snow Load: 20

Reducible Snow Load Allowed: 1

Max Attachment Spacing: 96

Minimum Ground On Roof: #10

Electrical

Electrical Load Calcs Required: Derates

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

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

Ground mount

Ground Mount Fencing Required: Mesh/Scrim

Ground Mount Notes: Not allowed

Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the Village of Willow Springs (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.