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City of Lewiston (ID)

Idaho Authority Having Jurisdiction Solar permitting requirements

NEC Code Version2023

Wet Stamps RequiredDigital Structural

Fire Setback Enforced1

Codes

NEC Code Version: 2023

Code List: 2018 INTERNATIONAL BUILDING CODE 2018 INTERNATIONAL RESIDENTIAL CODE 2018 INTERNATIONAL FIRE CODE 2018 INTERNATIONAL ENERGY CONSERVATION CODE 2018 INTERNATIONAL EXISTING BUILDING CODE 2018 INTERNATIONAL FUEL GAS CODE 2018 INTERNATIONAL MECHANICAL CODE 2017 INTERNATIONAL PLUMBING CODE 2023 NATIONAL ELECTRICAL CODE

ASCE Code Specification: ASCE 7-16

SolarAPP+ & submittal

Revision Required: 1

New Planset Required For Module Swap: 1

Stamps

Wet Stamps Required: Digital Structural

Structural Calculations Required: Yes

Fire setbacks

Fire Setback Enforced: 1

Setback Notes: Standard

Structural & loads

Wind Speed: 999

Snow Load: 999

Reducible Snow Load Allowed: 1

Max Attachment Spacing: 96

Minimum Ground On Roof: #10

Electrical

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

Plan set

Custom Placards Required: 0

Ground mount

Ground Mount Fencing Required: Mesh/Scrim

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