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County of Utah (UT)

Utah Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2020
Fire Code Version2018 Building Code
SolarAPP+ StatusTargeted
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 2020 NATIONAL ELECTRICAL CODE 2021 INTERNATIONAL PLUMBING CODE 2021 INTERNATIONAL MECHANICAL CODE 2021 INTERNATIONAL ENERGY CONSERVATION CODE 2021 INTERNATIONAL FUEL GAS CODE 2021 INTERNATIONAL EXISTING BUILDING CODE ANSI STANDARD 117.1A UTAH COUNTY ZONING ORDINANCE UTAH CODE ANNOTATED (STATE CONSTRUCTION CODE)

ASCE Code Specification
ASCE 7-16

SolarAPP+ & submittal

SolarAPP+ Status
Targeted
Any SolarAPP+ Restrictions
1
SolarAPP+ Restrictions
MPU,Derate
Revision Required
0
New Planset Required For Module Swap
0

Stamps

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
35
Reducible Snow Load Allowed
1
Max Attachment Spacing
96
Structural Notes

we require that you have engineering for the support system of roof and ground-mounted arrays SE digital stamps on corresponding PV pages & PE Letter / Calcs. WS: 115mph. Exposure C. SL: 35psf

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

Please include photos of the main service panel in the plans for Utah County. - load calcs derate - specific to each system and may be ok if, within the requirements of the currently adopted code, This will be checked by WC-3 during plan review of each specific system. Designs and load calculations are to be in conformance with the currently adopted National Electrical Code. Per the currently adopted IBC 2018 section1609.3, the ultimate wind speed for Utah County is 110 mph for risk category II structures. wind speed - snow load

Roof Plan Notes

PV MODULES (PANELS) CANNOT BE INSTALLED OVER OR BLOCK ANY ATTIC VENTS, PLUMBING VENTS, FURNACE OR WATER HEATER VENTS ETC. ALL WIRING MUST BE PROPERLY SUPPORTED BY DEVICES OR MECHANICAL MEANS DESIGNED AND LISTED FOR SUCH USE AND WIRING MUST BE PERMANENTLY AND COMPLETELY HELD OFF OF THE ROOF SURFACE. SEE NEC 110.2, 110.3(A), ANY WIRING AT THE ARRAY THAT IS NOT KEPT DIRECTLY UNDER SOLAR MODULES MUST BE INSTALLED IN CONDUIT FOR PROTECTION AND SUCH CONDUIT (IF METAL) MUST BE CONNECTED TO THE EQUIPMENT GROUNDING CONDUCTOR OF THE SYSTEM. NEC 300.4 AND 250.96

Attachment Detail

Electrical engineering will be required for all non-residential systems and also for some of the larger or more complex residential systems.

Electrical Diagram

Standard

Label Page

Add under rapid shutdown w/house: to be located on or within 3' of msp. 690.56 (c)(1)(a)

Label Page Notes

SIGNAGE CANNOT BE HANDWRITTEN. NEC 110.21(B)

Custom Placards Required
0

Ground mount

Ground Mount Fencing Required
Mesh/Scrim
Ground Mount Notes

Engineering will be required for the review of the roof supporting the array and also for the footings and racking of ground-mounted systems. Wiring for ground-mounted systems is required to be protected. This can be done multiple ways not limited to but can be via fencing. There must be noted on the plans that there must be a clear 6โ€™6โ€ clear headroom directly in front of the equipment, as required per NEC 110.26 zip ties are NOT allowed for securing the material to the backs of the modules

Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the County of Utah (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.