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County of Sussex (DE)

Delaware Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2017
SolarAPP+ StatusTargeted
Wet Stamps RequiredNone
Fire Setback Enforced0

Codes

NEC Code Version
2017
Code List

2012 INTERNATIONAL BUILDING CODE

2012 INTERNATIONAL RESIDENTIAL CODE

2012 INTERNATIONAL ENERGY CONSERVATION CODE

ASCE Code Specification
ASCE 7-16

SolarAPP+ & submittal

SolarAPP+ Status
Targeted
Any SolarAPP+ Restrictions
1
SolarAPP+ Restrictions
MPU,Derate
How Many Plansets Required
Other (See Submission Notes)
Revision Required
0
Rough Inspection
None
New Planset Required For Module Swap
0

Stamps

Ee Stamp Required On SLD
No
Wet Stamps Required
None
Structural Calculations Required
No

Fire setbacks

Fire Setback Enforced
0
Setback Notes

* 12/22/2020 - Confirmed setbacks are not enforced - NH

Structural & loads

Wind Speed
115
Wind Notes

Exposure Category B

Snow Load
20
Reducible Snow Load Allowed
1
Max Attachment Spacing
96
Structural Notes
THIS AHJ DOES NOT NEED STRUCTURAL LETTER OR STAMPED PLANS FOR REVIEW
Minimum Ground On Roof
#10

Electrical

Electrical Load Calcs Required
Derates,All Jobs
Allowed POI
Meter Adapter,Load Side Taps,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

Plan Set Requirements

Electrical load calcs required for ALL projects. (even for MPU)

Electrical Diagram

Additional disconnect needed at the MSP when the MSP is interior

Custom Placards Required
0

Ground mount

Ground Mount Fencing Required
No
Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the County of Sussex (DE) 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.