ProcessUp to date · Jan 15, 2026
AHJ (Authority Having Jurisdiction)
The local government entity (city, county, or township) responsible for permitting, inspecting, and approving solar installations and other electrical/building work.
Why It Matters
AHJ requirements vary significantly. Some jurisdictions have streamlined solar permitting (1-2 weeks), while others require multiple inspections and months of processing.
Related Topics
Related Terms
Interconnection
The process of connecting your solar system to the utility grid, requiring utility approval and inspection.
NEC (National Electrical Code)
The U.S. standard for electrical installation safety (NFPA 70). Article 690 specifically covers solar PV systems, including wiring, grounding, labeling, and rapid shutdown requirements.