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County of New Castle (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

2018 INTERNATIONAL BUILDING CODE 2018 INTERNATIONAL RESIDENTIAL CODE 2018 INTERNATIONAL EXISTING BUILDING CODE 2018 INTERNATIONAL SWIMMING POOL AND SPA CODE 2018 INTERNATIONAL ENERGY CONSERVATION CODE 2018 INTERNATIONAL MECHANICAL CODE 2018 INTERNATIONAL FUEL GAS CODE 2018 INTERNATIONAL PLUMBING CODE 2017 NATIONAL ELECTRIC 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
Stamp Location On Plans
Unspecified
Date On Stamps
Expiration Date

Fire setbacks

Fire Setback Enforced
0
Setback Notes


Structural & loads

Wind Speed
115
Wind Notes

Exposure Category B

Snow Load
20
Reducible Snow Load Allowed
1
Max Attachment Spacing
96
Minimum Ground On Roof
#10

Electrical

Electrical Load Calcs Required
Derates
Allowed POI
Line Side Taps,PV Breaker,Load Side Taps,Meter Adapter
Panel Schedule Required
Partial Home Backup
Temperature Rating
90
De Rating Ampacity
0.96

Battery / ESS

Unique Battery Placards Needed
0
ESS Notes

Standard

Separate ESS Disconnect Required
No
ESS Elevation Detail Required
No

Plan set

Plan Set Requirements


Custom Placards Required
0

Ground mount

Ground Mount Fencing Required
No
Setback Front Yard
5
Setback Back Yard
5
Setback Side Yard
10
Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the County of New Castle (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.