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Town of Westerly (RI)

Rhode Island Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2020
Fire Code Version2018 Building Code
SolarAPP+ StatusTargeted
Wet Stamps RequiredDigital Structural,Digital Electrical
Fire Setback Enforced1

Codes

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

2021 RHODE ISLAND STATE BUILDING CODE

2021 RHODE ISLAND RESIDENTIAL CODE

2021 RHODE ISLAND FIRE CODE

2021 RHODE ISLAND PLUMBING CODE

2021 RHODE ISLAND MECHANICAL CODE

2021 RHODE ISLAND ENERGY CODE

2021 RHODE ISLAND ADMINISTRATIVE CODE

2021 RHODE ISLAND ELECTRICAL CODE

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

Stamps

Ee Stamp Required On SLD
Yes
Wet Stamps Required
Digital Structural,Digital Electrical
Structural Calculations Required
Yes
Ee Stamp Notes

SE / EE digital stamps on all PV pages 1-7a & PE Letters / Calcs.

Stamp Location On Plans
Unspecified
Date On Stamps
Expiration Date

Fire setbacks

Fire Setback Enforced
1
Setback Notes

Standard

Structural & loads

Wind Speed
135
Wind Notes

Exposure Category C. Wind-borne debris region.

Snow Load
30
Reducible Snow Load Allowed
1
Max Attachment Spacing
96
Structural Notes

Standard

Minimum Ground On Roof
#10

Electrical

AC Disconnect Required
No
Electrical Load Calcs Required
Derates
Allowed POI
Meter Adapter,Load Side Taps,Line Side Taps,PV Breaker
Panel Schedule Required
Partial Home Backup
Temperature Rating
90
De Rating Ampacity
1

Battery / ESS

Unique Battery Placards Needed
0
ESS Notes

Standard

Separate ESS Disconnect Required
No
ESS Elevation Detail Required
No

Plan set

Plan Set Requirements

Master Plan Set combining all individual projects into one plan set showing all panels/systems/etc if a project has multi-system job is needed

Site


Ground mount

Ground Mount Fencing Required
No
Ground Mount Notes

Exact Property line required for ground mounts. Send a permit research task for permitting at CR to get the most accurate property lines.

This has to be scaled properly in our site plan

Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the Town of Westerly (RI) 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.