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City of Roy (UT)

Utah 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

2021 INTERNATIONAL RESIDENTIAL CODE

2021 INTERNATIONAL RESIDENTIAL CODE

2021 INTERNATIONAL MECHANICAL CODE

2021 INTERNATIONAL PLUMBING CODE

2021 INTERNATIONAL FIRE CODE

2020 NATIONAL ELECTRICAL CODE

2021 INTERNATIONAL FUEL GAS CODE

2021 INTERNATIONAL ENERGY CONSERVATION CODE

ASCE Code Specification
ASCE 7-16

SolarAPP+ & submittal

How Many Plansets Required
2
Revision Required
0
Rough Inspection
None
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
Date On Stamps
Expiration Date

Fire setbacks

Fire Setback Enforced
1
Setback Notes

Standard

Structural & loads

Wind Speed
115
Wind Notes

Exposure Category C

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

PE Requirements; SE digital stamps on corresponding PV pages & PE Letter / Calcs. WS 115 MPH GSL 30 PSF

Minimum Ground On Roof
#10

Electrical

Electrical Load Calcs Required
Derates
Allowed POI
PV Breaker,Meter Adapter,Line Side Taps,Load Side Taps
Panel Schedule Required
Partial Home Backup
Temperature Rating
90
De Rating Ampacity
0.96

Battery / ESS

Unique Battery Placards Needed
0
ESS Notes

Standard

Separate ESS Disconnect Required
ESS Disconnect
ESS Elevation Detail Required
No

Plan set

Plan Set Requirements

Total array power: (This is not required for systems with micro inverters) Provide the total amount of watts, amps, volts, open-circuit voltage (Voc at the coldest possible outside temperature-see NEC 690.7), and short circuit current that the array can produce. wind speed - snow load Utah does not want single panel arrays with railless systems. Please have layout changed if this happens Plans must include a photo of the roof structure and the service panel or sub panel where the connection will be made.

Attachment Detail

No single panel arrays

Electrical Diagram

If a new service panel is going to be installed, there shall be a 4 wire system ran into the interior sub panel where grounds and neutral shall be isolated. This will apply to the old systems where there is just a meter socket on the exterior and the sub panel is used as the main disconnect. Centerfed 120% allowed without electrical engineering but show calculations

Custom Placards Required
0

Ground mount

Ground Mount Fencing Required
Yes
Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the City of Roy (UT) 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.