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County of Douglas (OR)

Oregon Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2023
Wet Stamps RequiredDigital Structural
Fire Setback Enforced1

Codes

NEC Code Version
2023
Code List

2023 OREGON RESIDENTIAL SPECIALTY CODE

2022 OREGON STRUCTURAL SPECIALTY CODE

2022 OREGON MECHANICAL SPECIALTY CODE

2023 OREGON PLUMBING SPECIALTY CODE

2025 OREGON ENERGY EFFICIENCY SPECIALTY CODE

2023 OREGON ELECTRICAL SPECIALTY CODE

2019 OREGON ZERO ENERGY READY COMMERCIAL CODE

2019 OREGON FIRE CODE

2010 OREGON MANUFACTURED DWELLING INSTALLATION SPECIALTY CODE

ASCE Code Specification
ASCE 7-16

SolarAPP+ & submittal

Revision Required
0
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
999
Wind Notes
  • Basic Wind Speed: 97 miles per hour (mph)  
  • Coastal Special Wind Region: 97 mph
  • Structures With Direct Exposure to the Pacific Ocean: 135 mph  
Snow Load
999
Snow Load Notes

Oregon Snow Loading Online Lookup Tool

Reducible Snow Load Allowed
1
Max Attachment Spacing
48
Structural Notes

If PPC cannot be used, SE needed

Minimum Ground On Roof
#10

Electrical

Electrical Load Calcs Required
Derates
Allowed POI
Meter Adapter,Line Side Taps,Load Side Taps,PV Breaker
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

Plan Set Requirements

Complete the "OSISC Prescriptive Checklist.pdf" in the files below to determine if we can apply for permit with the prescriptive path. If the Prescriptive path cannot be used, we will need structural engineering.

Attachment Detail

Attachments shall not be spaced greater than 24 inches (609.6 mm) on center in any direction where:

  • Ground snow loads exceed 36 psf (1.197 kN/m2).
  • Located within 3 feet (914 mm) of a roof edge, hip, eave, or ridge.
  • Located in wind Exposure Category B or greater, and the wind speed exceeds 120 mph.
  • Located in wind Exposure Category C or greater, and the wind speed exceeds 110 mph.
Electrical Diagram Notes

Knifeblade disconnect required for all project

Custom Placards Required
0

Ground mount

Ground Mount Fencing Required
Mesh/Scrim
Ground Mount Notes

only electrical permit required so no rough inspections

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