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Town of Wilton (CT)

Connecticut Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2020
Fire Code Version2018 Building Code
Wet Stamps RequiredDigital Structural
Fire Setback Enforced1

Codes

NEC Code Version
2020
Fire Code Version
2018 Building Code
Code List

2021 INTERNATIONAL BUILDING CODE

2017 INTERNATIONAL CODE COUNCIL ANSI A 117.1. ACCESSIBLE AND USABLE BUILDINGS AND FACILITIES

2021 INTERNATIONAL EXISTING BUILDING CODE

2021 INTERNATIONAL PLUMBING CODE

2021 INTERNATIONAL MECHANICAL CODE

2021 INTERNATIONAL ENERGY CONSERVATION CODE

2020 NATIONAL ELECTRICAL CODE

2021 INTERNATIONAL RESIDENTIAL 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

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

Fire setbacks

Fire Setback Enforced
1
Setback Notes

Standard

Structural & loads

Wind Speed
98
Snow Load
35
Reducible Snow Load Allowed
1
Max Attachment Spacing
96
Minimum Ground On Roof
#10

Electrical

Electrical Load Calcs Required
Derates
Allowed POI
Line Side Taps,Meter Adapter,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
1
Placards Notes

2 Map Placards

Ground mount

Ground Mount Fencing Required
Mesh/Scrim
Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the Town of Wilton (CT) 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.