End-to-End Engineering & CAD Design Services
Precision technical documentation built to accelerate your installations. (Replaces “Trust the Experience
Our Services
Trust the Experience
NexaSun provides scalable, high-volume drafting and engineering solutions for solar integrators, EPCs, and infrastructure developers worldwide. From residential permit packages in North America to utility-scale designs across the globe, our documentation is engineered strictly for first-time jurisdiction approval.
Residential Solar Permit Packages
We deliver complete, AHJ-ready residential permit plan sets in 24 hours. Our packages include precise roof layouts, single-line diagrams, and structural calculations optimized for standard racking systems. Fully compliant with the NEC, SENER, and local municipal building codes globally.
EV Charging Infrastructure Design
Turnkey CAD layouts and permit plan sets for Level 2 and DC Fast Charging stations. We handle complete site planning, conduit routing, electrical load calculations, and ADA compliance layouts for commercial parking lots and residential garages.
PE Stamping & Structural Engineering
Fast-track your permits with our extensive network of licensed Professional Engineers. We offer wet and digital electrical and structural PE stamps across all 50 US states, alongside strict compliance certifications for international jurisdictions.
Commercial & Utility-Scale PV Design
Advanced system engineering for large-scale grid-tied projects. We provide comprehensive 3-phase electrical schematics, voltage drop calculations, stringing layouts, and optimal yield modeling for commercial rooftops, carports, and ground-mount systems.
Telecommunication Network CAD Solutions
Precision infrastructure design for the telecom sector. We deliver highly detailed site plans, structural mounting details, and fiber-optic routing schematics to ensure stable, scalable connectivity networks for international developers.
Fire Safety & Specialized Setback Plans
Eliminate fire marshal rejections. Our drafting team specializes in rigorous fire safety planning, strictly adhering to the International Fire Code (IFC) to ensure proper roof setbacks, rapid shutdown compliance, and clear access pathways.
Outsource Your Design Bottlenecks Today
Don’t let CAD drafting limits slow down your cash flow. Partner with NexaSun to scale your engineering capacity instantly, reduce your in-house overhead, and ensure flawless code compliance on every installation.