Solar Sanity Checksolar, decoded Independent. Nothing you type leaves your browser.

Town of Langdon (NH)

New Hampshire Authority Having Jurisdiction Solar permitting requirements

NEC Code Version2020

Fire Setback Enforced0

Codes

NEC Code Version: 2020

Code List

2021 NH STATE BUILDING CODE

2021 NH STATE FIRE CODE

2021 INTERNATIONAL BUILDING CODE

2021 INTERNATIONAL RESIDENTIAL CODE

2021 INTERNATIONAL MECHANICAL CODE

2021 INTERNATIONAL PLUMBING CODE

2018 INTERNATIONAL ENERGY CONSERVATION CODE

2021 INTERNATIONAL EXISTING BUILDING CODE

2021 INTERNATIONAL SWIMMING POOL AND SPA CODE

2021 NFPA 1, FIRE CODE AS AMENDED BY SAF-FMO 300

2021 NFPA 101 LIFE SAFETY CODE AS AMENDED BY SAF-FMO 300

2020 NATIONAL ELECTRICAL CODE

ASCE Code Specification: ASCE 7-16

SolarAPP+ & submittal

Revision Required: 0

New Planset Required For Module Swap: 0

Fire setbacks

Fire Setback Enforced: 0

Setback Notes: Standard

Structural & loads

Wind Speed: 91

Snow Load: 70

Reducible Snow Load Allowed: 1

Max Attachment Spacing: 96

Minimum Ground On Roof: #10

Electrical

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

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

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