To help you navigate the evolving solar landscape, we’ve compiled a list of the top tools and software for solar permit design in 2025.

1. Aurora Solar

Ideal for: Residential and commercial system design with automated site assessment

Aurora Solar continues to lead in solar design software by offering remote site assessments and detailed system layouts. Its intelligent tools help generate NEC-compliant designs without needing to visit the site.

• LIDAR-based 3D modeling
• Real-time shade analysis
• Performance simulations
• Integrated financial analysis
• Code-compliant electrical diagrams

2. SolarPermitPro

Ideal for: Turnkey solar permit plan sets for all project sizes

SolarPermitPro offers comprehensive permit packages, including structural and electrical engineering. It’s designed to streamline plan creation and meet specific AHJ requirements across the U.S.

• Fast permit turnaround
• AHJ-specific templates
• Engineering stamps (PE, SE)
• Residential and commercial support

3. Helioscope

Ideal for: Commercial solar system design and energy modeling

Helioscope is popular among commercial solar designers thanks to its easy layout tools and accurate performance modeling. It provides valuable insights for optimizing large-scale PV systems.

• Drag-and-drop system layout
• Shading and tilt optimization
• Energy yield forecasting
• Project reports for permitting

4. PVComplete (PVCAD + PVCAD MECH)

Ideal for: Utility-scale solar CAD designs

PVCAD, built on AutoCAD, delivers precision tools for mechanical and electrical solar system layouts. It’s perfect for utility-scale projects requiring detailed BOMs and structural analysis.

• AutoCAD-based solar design
• NEC 2023 code updates
• Automatic wire sizing and BOM
• Tracker and fixed-tilt system support

5. Solargraf

Ideal for: Sales-to-permit platform with design and proposal tools

Solargraf helps solar companies generate quick proposals, designs, and permits all in one place. It’s especially useful for companies scaling operations and managing multiple teams.

• Satellite-based solar designs
• CRM and client dashboard
• eSignatures and financing integration
• AHJ-ready permit plan sets

6. PermitDocs.ai

Ideal for: AI-powered auto-generation of solar permit plans

This emerging AI-based platform simplifies the permit process by automatically creating plan sets using minimal project inputs. It’s especially helpful for small installers and rapid deployments.

• AI-generated plan sets
• NEC code compliance
• Fast processing times
• Simple, intuitive interface

7. SketchUp + Skelion Plugin

Ideal for: Custom 3D solar modeling and shading analysis

SketchUp, combined with the Skelion plugin, allows solar designers to create detailed 3D models of solar arrays, ideal for custom residential projects or unique roof structures.

• Accurate 3D roof layouts
• Real-world shading simulation
• Customized module placement
• Permit-ready reports

8. AutoCAD + Solar Templates

Ideal for: In-house design teams requiring detailed, custom plans

AutoCAD remains a powerful option for firms that prefer complete control over their permit drawings. With up-to-date solar-specific templates, it's ideal for meeting strict AHJ requirements.

• Full drafting flexibility
• Layered structural/electrical diagrams
• Template libraries with NEC 2023 updates
• Compatible with PE/SE stamps

In 2025, solar permit design tools will be more powerful and accessible than ever. Whether you're managing a large EPC team or working as a solo installer, the right software can help you deliver faster, smarter, and more accurate designs.

Using the best tools ensures:

• Faster approvals
• Fewer AHJ rejections
• Scalable design workflows
• Higher customer satisfaction

Need Expert Help with Solar Permit Design?

Our team specializes in:

• Solar Permit Design (Residential & Commercial)
• Structural & Electrical Stamping
• Site-Specific Structural Memos
• EV Charger Permits
• AHJ-Compliant Plan Sets

Get in touch today and let’s power your solar project forward efficiently and affordably.