City of Twentynine Palms (CA)

California Authority Having Jurisdiction Solar permitting requirements

NEC Code Version2023

Fire Code Version2018 Building Code

SolarAPP+ StatusAdopted

Wet Stamps RequiredNone

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

IEBC Accepted: 1

ASCE Code Specification: ASCE 7-16

SolarAPP+ & submittal

SolarAPP+ Status: Adopted

Date SolarAPP+ Accepted: 45573

Any SolarAPP+ Restrictions: 1

SolarAPP+ Restrictions: Existing Systems,Trenching

How Many Plansets Required: 3

Revision Required: 0

New Planset Required For Module Swap: 0

Stamps

Ee Stamp Required On SLD: Yes - 10kW+,Yes - Existing PV

Wet Stamps Required: None

Structural Calculations Required: Yes

Ee Stamp Notes: EE required if system is over 10kW (include existing system, if applicable)

Stamp Location On Plans: Unspecified

Date On Stamps: Expiration Date

Fire setbacks

Fire Setback Enforced: 1

Setback Notes: Standard

Structural & loads

Wind Speed: 85

Wind Notes: Exposure Category C

Snow Load: 0

Reducible Snow Load Allowed: 1

Max Attachment Spacing: 96

Structural Notes: Standard

Minimum Ground On Roof: #10

Electrical

Electrical Load Calcs Required: Derates

Allowed POI: Line Side Taps,Load Side Taps,Meter Adapter,PV Breaker

Panel Schedule Required: Partial Home Backup

Temperature Rating: 90

De Rating Ampacity: 0.87

Battery / ESS

Unique Battery Placards Needed: 0

ESS Notes

Battery jobs require special placards.

Battery and lockable Disco go inside garage.

Provide an elevation view of the proposed location of the batteries. The elevation must include dimensions of the batteries from each other, other components and to all exterior wall openings including, windows and doors.

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

Lockable disconnect required after battery (backup).

Separate ESS Disconnect Required: Local Disconnect,ESS Disconnect

ESS Elevation Detail Required: Yes - with dimensions

Plan set

Plan Set Requirements: Add spec sheet for MPU

Electrical Diagram: 120% rule allowed per CEC 705.12(B)(2)(3)(d)

Custom Placards Required: 1

Placards Notes: Permanent placards from approved plans

Ground mount

Ground Mount Fencing Required: Yes