Getting a solar permit is a mandatory step before installing most rooftop or ground-mounted PV systems. The process varies by state, county, and city (the Authority Having Jurisdiction, or AHJ), but follows a common workflow: site assessment → design & documentation → permit submission → plan review → installation → inspection → interconnection / permission to operate. Working with a permit-ready partner reduces delays and rework.
Step-by-step process
1) Site assessment & feasibility
– Inspect the roof or site: orientation, tilt, shading, roof condition, usable area.
– Check electrical service capacity and meter location.
Why it matters: Incomplete site data causes redesigns and permit delays. If you prefer to outsource this step, Vishtik performs site surveys and pre-design assessments.
2) System design & engineering
– Create layout, stringing plan, single-line diagram (SLD), inverter/array sizing, and structural calculations.
– Add equipment datasheets, wiring, conduit routing, and grounding details.
Pro tip: jurisdictions typically require a licensed PE or stamped structural/electrical drawings — Vishtik supplies stamped, permit-ready plan sets.
3) Assemble the permit package
– Site plan, panel layout, SLD, structural calculations, equipment cut sheets, PV array layout & roof plan, interconnection forms.
4) Submit application & fees
– Submit to the local AHJ portal or use automated platforms like SolarAPP+.
5) Plan review
– AHJ reviewer checks code compliance. If using SolarAPP+, compliant residential designs can be instantly approved.
6) Installation
– Follow approved plans; keep permit on site.
7) Inspections
– Typical stages: electrical/rough-in and final inspection.
8) Interconnection & Permission to Operate (PTO)
– Submit interconnection request; after approval, utility grants PTO and net-metering.
Typical timelines & what speeds things up
Traditional local review can take days to weeks. SolarAPP+ jurisdictions can approve instantly if requirements are met. Using a permit-ready design package from Vishtik reduces review cycles and re-submittals.
Common pitfalls & how to avoid them
– Incomplete documentation → delays.
– Unstamped drawings when required → rejection.
– Not checking utility interconnection rules early → delays.
Vishtik’s permit packages meet AHJ expectations, reducing rework and speeding approvals.
Cost considerations
Permit fees vary by jurisdiction. Soft-cost reductions from faster approvals often outweigh design costs when using professional permit services.
How Vishtik helps
– Nationwide coverage with licensed engineers in all 50 states.
– Permit-ready, stamped plan sets.
– Fast turnaround & high approval rates.
FAQ
Q: Do I always need a permit to install solar?
A: Almost always — permits are required by most AHJs.
Q: What documents are required for a solar permit?
A: Site plan, panel layout, SLD, equipment cut sheets, structural calcs, interconnection forms.
Q: Can SolarAPP+ give me an instant permit?
A: If your project is eligible and AHJ uses SolarAPP+, yes.
Q: How long does the permit review take?
A: From same-day to several weeks.
Q: How can Vishtik help me?
A: Vishtik provides stamped plan sets, nationwide engineering, and SolarAPP+ submission help.
