City of McKinney (TX)

Texas Authority Having Jurisdiction Solar permitting requirements

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These change with code cycles. If a requirement here is out of date or missing, tell us and we'll fix it.

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NEC Code Version2023
Fire Code Version2018 Building Code
SolarAPP+ StatusTargeted
Wet Stamps RequiredDigital Structural,Digital Electrical
Fire Setback EnforcedYes

Codes

NEC Code Version
2023
Fire Code Version
2018 Building Code
Code List

2024 INTERNATIONAL RESIDENTIAL CODE

2024 INTERNATIONAL PLUMBING CODE

2024 INTERNATIONAL MECHANICAL CODE

2024 INTERNATIONAL FUEL GAS CODE

2024 INTERNATIONAL ENERGY CONSERVATION CODE

2024 INTERNATIONAL PROPERTY MAINTENANCE CODE

2024 INTERNATIONAL SWIMMING POOL SPA CODE

2024 INTERNATIONAL FIRE CODE

2023 NATIONAL ELECTRICAL CODE

ASCE Code Specification
ASCE 7-16

SolarAPP+ & submittal

SolarAPP+ Status
Targeted
Any SolarAPP+ Restrictions
Yes
SolarAPP+ Restrictions
MPU,Derate
Revision Required
Yes
Rough Inspection
Rough Electrical
New Planset Required For Module Swap
No

Stamps

Ee Stamp Required On SLD
Yes
Wet Stamps Required
Digital Structural,Digital Electrical
Structural Calculations Required
Yes
Ee Stamp Notes

EE should stamp conductor calcs page, if applicable

Stamp Location On Plans
Unspecified
Date On Stamps
Expiration Date

Fire setbacks

Fire Setback Enforced
Yes
Setback Notes

Standard

Structural & loads

Wind Speed
115
Wind Notes

Exposure Category B

Snow Load
5
Reducible Snow Load Allowed
Yes
Max Attachment Spacing
96
Structural Notes
  • SE & EE digital stamps on all PV pages, PE Letter & Calcs.
  • Structural letter MUST state "that the building is structurally adequate to support the installation of the proposed PV installation"
  • Please ensure the Planset AND Structural Calcs/Letter reflect 2024 with NEC2023
Minimum Ground On Roof
#10

Electrical

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

Battery / ESS

Unique Battery Placards Needed
No
ESS Notes

Standard

Separate ESS Disconnect Required
No
ESS Elevation Detail Required
No

Plan set

Plan Set Requirements

Plans must include spec sheets for any jbox, disconnect, and combiner box used on the job


Provide the UL listing/labeling or a Certificate of compliance from one of the nationally recognized testing laboratories (NRTLs) with the exact model number of the product highlighted on the certificate. These can be obtained via the link below.

https://iq.ulprospector.com/en 


Please ensure the Eaton Disconnect document within the files section is slipped into the planset.


Please ensure the Planset AND Structural Calcs/Letter reflect 2024 with NEC2023

Custom Placards Required
No

Ground mount

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