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County of Canyon (ID)

Idaho Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2023
Fire Code Version2018 Building Code
SolarAPP+ StatusTargeted
Wet Stamps RequiredDigital Structural
Fire Setback Enforced1

Codes

NEC Code Version
2023
Fire Code Version
2018 Building Code
Code List

2018 INTERNATIONAL BUILDING CODE (IBC) 2018 INTERNATIONAL RESIDENTIAL CODE (IRC) 2018 INTERNATIONAL MECHANICAL CODE (IMC) 2018 INTERNATIONAL PLUMBING CODE (IPC) 2018 INTERNATIONAL FUEL GAS CODE (IFGC) 2018 INTERNATIONAL ENERGY CONSERVATION CODE (IECC) 2018 INTERNATIONAL EXISTING BUILDING CODE (IEBC) 2018 INTERNATIONAL SWIMMING POOL AND SPA CODE (ISPSC) 2023 NATIONAL ELECTRICAL CODE (NEC)

IEBC Accepted
1
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
1
New Planset Required For Module Swap
1

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 C

Snow Load
25
Reducible Snow Load Allowed
1
Max Attachment Spacing
96
Structural Notes

PE Instructions

  • Stamps & Documents: SE digital stamps are required with a PE Letter and Structural Calcs.
  • Separate PE Letter: The AHJ requires the PE Letter to be a separate document from the Structural Calcs.
  • Wind/Snow Loads: WS 115 MPH / SL 25 PSF.
  • Multiple Structures: If installing on more than one structure (e.g., home and detached garage), separate PE calcs are required for each. Each set must clearly state which structure it applies to.
  • Revisions: Updated Structural Calcs and PE Letter are required for all revisions, no matter the type of change.
Minimum Ground On Roof
#10

Electrical

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

Indicate on site plan the area of the array and the distance to septic and leech lines

Show distance from structure(s) to array.

Setback requirements are on a case by case basis, per the County inspector.

See Ground Mount Site Plan Example in file section

Setback Side Yard
70
Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the County of Canyon (ID) 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.