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City of Irvine (CA)

California Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2023
Fire Code Version2018 Building Code
SolarAPP+ StatusTargeted
Wet Stamps RequiredDigital Structural
Fire Setback Enforced1

Codes

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

2025 CALIFORNIA BUILDING CODE

2025 CALIFORNIA ELECTRICAL CODE

2025 CALIFORNIA FIRE CODE

2025 CALIFORNIA PLUMBING CODE

2025 CALIFORNIA MECHANICAL CODE

2025 CALIFORNIA ENERGY CODE

2025 CALIFORNIA RESIDENTIAL CODE

2025 CALIFORNIA ADMINISTRATIVE CODE

ASCE Code Specification
ASCE 7-16

SolarAPP+ & submittal

SolarAPP+ Status
Targeted
Any SolarAPP+ Restrictions
1
SolarAPP+ Restrictions
Derate
How Many Plansets Required
1
Revision Required
1
Rough Inspection
None
New Planset Required For Module Swap
1

Stamps

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


Modules must be 4ft away from property line (condos, multifamily dwellings). Demonstrate 4ft setback from shared property lines on the roof.

Structural & loads

Wind Speed
95
Wind Notes

Exposure Category C

Snow Load
0
Reducible Snow Load Allowed
1
Max Attachment Spacing
96
Structural Notes

ESS projects will require structural calculations for the attachment of the battery to the wall

Minimum Ground On Roof
#10

Electrical

Electrical Load Calcs Required
Derates,Load Relocation
Allowed POI
Meter Adapter,PV Breaker,Line Side Taps,Load Side Taps
Panel Schedule Required
Partial Home Backup
Supply Tap Neutral Ground Bond Required
1
Temperature Rating
90
De Rating Ampacity
1
BOS Restrictions

AC Disconnect to be readily accessible.

Battery / ESS

Unique Battery Placards Needed
1
ESS Notes
  • Battery jobs require special placards. Provide ESS label for nominal AC voltage and maximum DC voltage per CEC 706.15 C.1
  • When the Battery is located in the garage, the lockable ESS Disco must go inside garage. Include Heat Detector and spec sheets
  • Dimension on single line the distance between battery and electrical equipment it is connected to. If battery is more than 5 feet from electrical panel/equipment, show disconnect on single line and provide disconnect specifications in plan set per Art. 706.7(E); otherwise, dimension on single line conductor length to be “less than 5 feet”
  • Verify if ESS connection distance is more than 5 feet from electrical panel/equipment.
  • Provide disconnect on single line and specification per Art. 706.7(E) if greater than 5 feet.
  • Note distance on drawings.
  • PLEASE PROVIDE MANUFACTURERS INSTRUCTIONS ON ATTACHMENTS TO STRUCTURE/SFD.
  • Provide mounting detail sheet to plans for ESS batteries in plan set to be stamped by PE

ESS disconnect required within 6ft of MSP on same wall and not blocked by walls/gates/etc


provide load calcs for backup load panel/isolated loads panels

Separate ESS Disconnect Required
ESS Disconnect
ESS Elevation Detail Required
No

Plan set

Plan Set Requirements
  • Attach City of Irvine Photovoltaic General Notes in the back of the plan set.
  • Provide spec sheet showing the module and racking/attachment system are approved to be installed together and meet a fire classification rating of A.
  • Class A rating must be explicitly stated. This is commonly found in the install manual of the racking/attachment. Uploaded below: (SM_Installation_UL2703)
  • EV charging: complete EVCS App Package in files below and upload with PV Plans
Site Notes

Battery [ESS units installed outdoors or on the exterior side of exterior walls shall be located not less than 3 feet from doors and windows directly entering the dwelling unit.]

Roof Plan

All jobs:

  • Modules must be 4ft away from property line (condos, multifamily dwellings). Demonstrate 4ft setback from shared property lines on the roof.

Existing Solar:

  • Array roof coverage calculations must include existing solar array
Electrical Diagram

120% rule allowed per CEC 705.12(B)(2)(3)(d) If relocating loads to a sub panel, list the loads to be relocated

Electrical Diagram Notes

All Jobs [CONDUCTORS MODIFIED OR EXTENDED OVER 6' SHALL COMPLY WITH ART 210.12(D) OF CEC FOR AFCI PROTECTION]

Label Page

When derating the main breaker, include a label indicating "The main circuit breaker has been downsized to "_" amps, do not upsize it"

Custom Placards Required
1
Placards Notes

Permanent placards meeting CA placarding requirements + OFCA placarding requirements (for ESS Jobs)

Ground mount

Ground Mount Fencing Required
Mesh/Scrim
Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the City of Irvine (CA) 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.