Backend engineering for solar EPCs.

AHJ-ready permit packages, PV single-line diagrams, structural letters, and utility interconnection applications. We handle the drawings so your sales and installation teams can move faster.

NEC 2023 Art. 690 IEEE 1547 UL 1741 SA ASCE 7-22 200+ AHJs

§01 — Overview

Stop losing installs to permit delays.

Solar EPCs lose margin on permit delays, not equipment cost. One rejected package slips installation three weeks and burns thousands in scheduling, holding, and re-bid costs.

We prepare AHJ-ready permit packages validated against specific-jurisdiction checklists before submission. Your sales team quotes; we build; the permit lands on first submission.

200+ AHJ-specific checklists on file (first drawing free drafting vendor)
NEC 2023 Art. 690 + IEEE 1547 + UL 1741 SA compliance
Utility interconnection applications included
First package free for new EPC partners

§02 — What We Produce

Permit-ready deliverables for solar projects

PV System Layouts

Rooftop, ground-mount, and carport PV layouts with setbacks, array blocking, and module-level detail.

Electrical Single-Line

DC and AC single-line diagrams with string configurations, combiner boxes, inverters, and PCC.

Structural Letters

PE-stamped structural letters per ASCE 7-22 for roof and ground-mount installations where required.

Full AHJ Packages

Complete AHJ-ready permit packages including plan sheets, calculations, product data, and stamps.

Utility Interconnection

Full interconnection applications, supplemental review, and utility technical Q&A response.

As-Built Documentation

Post-installation documentation with red-line incorporation and final-condition reconciliation.

First
Package
Free

Send us your next commercial permit.

Site survey + BOM + interconnection location. We'll deliver the full AHJ-ready package free. If it doesn't pass plan-check first submission, we revise at no cost.

Claim Free Package

§03 — Solar EPC FAQ

Questions solar operations leaders ask us

What size solar projects do you handle?

Commercial rooftop from 100 kW to 5 MW, ground-mount and carport to 20 MW, and utility-scale in partnership with PE-stamp providers. Residential only under managed-service volume agreements (50+ per month).

How many AHJs have you worked with?

200+ AHJs across California, Texas, Arizona, New York, Florida, and Australia. We maintain a per-AHJ checklist of local quirks, utility interconnection forms, and plan-check requirements.

Can you handle utility interconnection applications?

Yes. Full interconnection applications, supplemental review packages, and response to utility technical queries as part of our managed-service engagement.

What turnaround can we expect?

Most commercial rooftop packages (under 500 kW) deliver in 5–7 business days from BOM receipt. Ground-mount and utility-scale 2–4 weeks depending on complexity.

Your install calendar shouldn't depend on plan-check luck.

First package free. AHJ-verified. Delivered in 5–7 business days.

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