AHJ-compliant permit packages, PE stamps, and SLD drawings — delivered faster than your competition can queue a request. Built by engineers who know every AHJ quirk in the US.
Every document your project needs — from the first sales call to final AHJ approval — delivered with speed and precision.
Full residential and commercial permit packages — site plans, SLDs, equipment specs, and all AHJ-required documents. Built to pass first submission.
Fast, accurate prelim designs for residential (2hr) and commercial (5hr) projects. LiDAR-compatible, production-estimated, and proposal-ready.
Licensed Professional Engineer stamps for all 50 US states. Structural and electrical stamping. Accepted by AHJs nationwide without pushback.
NEC-compliant SLDs with accurate string sizing, overcurrent protection, disconnect labeling, and equipment callouts — engineered to AHJ standards.
Post-installation documentation capturing all field deviations. Essential for AHJ closeout, utility interconnection, and project record keeping.
Data-rich, professional proposals with production estimates, 25-year ROI, incentive breakdowns, and visual system layouts that close deals faster.
We built Apeksun specifically for solar installers who need engineering services that keep pace with their growth — not slow it down.
Residential permit packages delivered the same day you submit. No queues. No "we'll have it by Wednesday." Your deadline is our deadline.
97%+ first-pass AHJ approval rate. Every package is triple-checked against your jurisdiction's specific requirements before delivery.
Real engineers available around the clock. Not a chatbot. Not a ticketing system. A licensed professional who knows your project — day or night.
We don't nickel-and-dime you on revisions. Every revision request is handled immediately at zero extra cost. Period.
Full AHJ code coverage across all US states. We know the quirks of every major jurisdiction — from California to Florida to New York.
Send us your first project at no cost. Experience our speed, accuracy, and support firsthand before you commit to anything. Results speak for themselves.
A transparent, repeatable process designed for speed — so you always know exactly where your project stands.
Share site survey, equipment specs, and utility info via email or our portal.
Our engineers review your submission and confirm all details are in order.
Licensed engineers produce AHJ-specific drawings with full NEC compliance.
Multi-stage QA confirms accuracy, completeness, and code compliance.
Permit-ready package delivered. Unlimited revisions until AHJ approves.
Don't take our word for it — here's what installers say after working with Apeksun.
"We used to lose 4–5 days waiting on permit packages. Apeksun delivers same day. Our AHJ has actually complimented the quality of the drawings. This team is the real deal."
"Three permit rejections from our old firm in two months. Apeksun took the same projects, delivered same day, and every single one passed first submission. Zero rejections since."
"The 24/7 support is not a marketing claim. I sent a project at 11PM on a Friday. Got a complete permit package back at 7AM Saturday. That's what separates Apeksun from everyone else."
No commitment. No payment. Just a complete, permit-ready plan set delivered faster than you expect — on us.
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