Quick Overview
- 1#1: Aurora Solar - AI-powered cloud platform for automated solar design, 3D modeling, shading analysis, and sales proposals.
- 2#2: Helioscope - Professional 3D solar design software optimized for commercial-scale PV projects with advanced layout and energy modeling.
- 3#3: PVsyst - Industry-standard PV system simulation software for detailed performance analysis, sizing, and financial modeling.
- 4#4: PV*SOL premium - Comprehensive PV design and simulation tool with 3D modeling, shading, and grid-connected system optimization.
- 5#5: OpenSolar - Free cloud-based platform for solar PV design, proposals, and CRM integration tailored for residential sales.
- 6#6: SAM - Free NREL tool for modeling PV system performance, financial analysis, and optimization across various scales.
- 7#7: SolarEdge Designer - Integrated web-based designer for SolarEdge PV systems with string optimization and single-line diagrams.
- 8#8: EasySolar - User-friendly online PV design tool for quick project visualization, calculations, and client presentations.
- 9#9: SolarDesignTool - Web-based software for interactive solar PV system design, layout planning, and production estimates.
- 10#10: CED Greentech - Advanced solar planning software with 3D CAD integration, string design, and project management features.
We ranked tools by assessing key factors including energy modeling accuracy, 3D design capabilities, ease of use, and value proposition, ensuring the selections cater to both residential and commercial scales with diverse technical requirements.
Comparison Table
Comparing PV solar design software effectively is key to project success, and this table simplifies the process by evaluating tools like Aurora Solar, Hel Helioscope, PVsyst, PV*SOL premium, OpenSolar, and more. It breaks down features, usability, cost, and ideal use cases to help readers identify the best fit for their needs, whether residential, commercial, or large-scale, ensuring they optimize efficiency and performance.
| # | Tool | Category | Overall | Features | Ease of Use | Value |
|---|---|---|---|---|---|---|
| 1 | Aurora Solar AI-powered cloud platform for automated solar design, 3D modeling, shading analysis, and sales proposals. | specialized | 9.8/10 | 9.9/10 | 9.5/10 | 9.2/10 |
| 2 | Helioscope Professional 3D solar design software optimized for commercial-scale PV projects with advanced layout and energy modeling. | specialized | 9.2/10 | 9.6/10 | 8.1/10 | 8.7/10 |
| 3 | PVsyst Industry-standard PV system simulation software for detailed performance analysis, sizing, and financial modeling. | specialized | 9.2/10 | 9.8/10 | 6.5/10 | 8.5/10 |
| 4 | PV*SOL premium Comprehensive PV design and simulation tool with 3D modeling, shading, and grid-connected system optimization. | specialized | 8.7/10 | 9.4/10 | 7.2/10 | 8.1/10 |
| 5 | OpenSolar Free cloud-based platform for solar PV design, proposals, and CRM integration tailored for residential sales. | specialized | 8.8/10 | 9.2/10 | 8.5/10 | 9.8/10 |
| 6 | SAM Free NREL tool for modeling PV system performance, financial analysis, and optimization across various scales. | specialized | 8.0/10 | 8.5/10 | 6.0/10 | 10/10 |
| 7 | SolarEdge Designer Integrated web-based designer for SolarEdge PV systems with string optimization and single-line diagrams. | specialized | 8.2/10 | 8.5/10 | 8.0/10 | 9.5/10 |
| 8 | EasySolar User-friendly online PV design tool for quick project visualization, calculations, and client presentations. | specialized | 8.4/10 | 8.2/10 | 8.7/10 | 8.3/10 |
| 9 | SolarDesignTool Web-based software for interactive solar PV system design, layout planning, and production estimates. | specialized | 8.2/10 | 8.0/10 | 8.5/10 | 8.1/10 |
| 10 | CED Greentech Advanced solar planning software with 3D CAD integration, string design, and project management features. | specialized | 7.6/10 | 8.1/10 | 7.8/10 | 7.2/10 |
AI-powered cloud platform for automated solar design, 3D modeling, shading analysis, and sales proposals.
Professional 3D solar design software optimized for commercial-scale PV projects with advanced layout and energy modeling.
Industry-standard PV system simulation software for detailed performance analysis, sizing, and financial modeling.
Comprehensive PV design and simulation tool with 3D modeling, shading, and grid-connected system optimization.
Free cloud-based platform for solar PV design, proposals, and CRM integration tailored for residential sales.
Free NREL tool for modeling PV system performance, financial analysis, and optimization across various scales.
Integrated web-based designer for SolarEdge PV systems with string optimization and single-line diagrams.
User-friendly online PV design tool for quick project visualization, calculations, and client presentations.
Web-based software for interactive solar PV system design, layout planning, and production estimates.
Advanced solar planning software with 3D CAD integration, string design, and project management features.
Aurora Solar
specializedAI-powered cloud platform for automated solar design, 3D modeling, shading analysis, and sales proposals.
AI-powered Tru3D modeling for hyper-accurate roof and shading analysis from global satellite and LiDAR data
Aurora Solar is a leading cloud-based PV solar design and sales platform that automates accurate 3D roof modeling using satellite imagery, LiDAR, and AI-driven analysis. It enables rapid system design, shading analysis, production forecasting, and customized proposal generation to streamline solar sales and installation workflows. With integrations for CRM, financing, and permitting, it supports end-to-end operations for solar professionals.
Pros
- Unmatched accuracy in 3D modeling and shading analysis using proprietary data sources
- Lightning-fast automated design and optimization for complex roofs
- Robust sales tools including dynamic proposals, financial modeling, and customer portals
Cons
- Premium pricing may be steep for small operations
- Slight learning curve for advanced customization features
- Performance can vary in areas with limited imagery data
Best For
Professional solar installers, designers, and EPC firms seeking enterprise-grade accuracy and efficiency in PV system design and sales.
Pricing
Subscription-based starting at ~$200/user/month for core plans, with enterprise custom pricing; includes tiered options like Designer ($215/mo) and Pro ($325/mo).
Helioscope
specializedProfessional 3D solar design software optimized for commercial-scale PV projects with advanced layout and energy modeling.
Autopilot automated layout optimizer that generates production-maximizing designs in seconds for GW-scale sites
Helioscope is a cloud-based PV solar design software specialized for utility-scale solar projects, offering rapid 3D site modeling, automated layout generation, and precise energy yield analysis. It integrates advanced shading simulations, terrain analysis, and financial modeling to streamline the design process from concept to construction. Ideal for EPC firms and developers, it supports real-time collaboration and exports detailed reports for stakeholder approval.
Pros
- Ultra-fast automated layout generation for massive arrays (100s of MW in minutes)
- Highly accurate energy production modeling with industry-leading shading analysis
- Seamless cloud collaboration and integration with GIS data sources
Cons
- Steep learning curve for non-expert users
- Primarily focused on utility-scale, less optimized for residential/C&I
- Premium pricing may deter smaller firms
Best For
Utility-scale solar developers, EPC companies, and engineering teams handling large ground-mount PV projects requiring speed and precision.
Pricing
Custom enterprise subscriptions starting at ~$5,000/year, with pay-per-project options; volume discounts for high-usage teams.
PVsyst
specializedIndustry-standard PV system simulation software for detailed performance analysis, sizing, and financial modeling.
Sophisticated 3D CAD-based shading scene builder for accurate near-shading loss calculations
PVsyst is a leading professional software for photovoltaic (PV) system design, simulation, and performance analysis, used by engineers worldwide to model solar installations accurately. It supports detailed component selection from extensive databases, site-specific meteorological data integration, and advanced shading analysis via 3D modeling. The tool excels in predicting energy yield, financial viability, and system losses for both grid-connected and off-grid PV projects.
Pros
- Extensive databases of PV modules, inverters, and trackers
- Advanced 3D shading and near-shading simulation for precise yield predictions
- Comprehensive reporting and economic analysis tools
Cons
- Steep learning curve requiring significant training
- Windows-only compatibility with no native Mac/Linux support
- High upfront cost with additional fees for updates
Best For
Experienced PV engineers and consultants designing utility-scale or complex commercial solar projects.
Pricing
Perpetual license from €1,200; annual support and updates ~€600 extra.
PV*SOL premium
specializedComprehensive PV design and simulation tool with 3D modeling, shading, and grid-connected system optimization.
Advanced 3D shading simulation accounting for seasonal vegetation growth and moving objects like chimneys.
PV*SOL premium from Valentin Software is a professional desktop application for detailed design, simulation, and optimization of grid-connected and off-grid photovoltaic (PV) systems. It excels in 3D modeling of roofs, surroundings, and shading elements like trees and buildings for precise yield predictions and economic analysis. The software features extensive databases of PV modules, inverters, batteries, and other components, enabling realistic system configurations and compliance checks.
Pros
- Highly accurate 3D shading analysis with dynamic objects
- Comprehensive component databases and detailed yield simulations
- Robust economic and grid compliance evaluations
Cons
- Steep learning curve for beginners
- High upfront cost with Windows-only compatibility
- No cloud-based or mobile access
Best For
Professional PV engineers and installers handling complex, large-scale projects requiring precise shading and performance simulations.
Pricing
Perpetual license around €1,800 (plus VAT), with optional annual maintenance fee for updates (~20% of license cost).
OpenSolar
specializedFree cloud-based platform for solar PV design, proposals, and CRM integration tailored for residential sales.
One-click global 3D PV design generation using AI and satellite data
OpenSolar is a free, cloud-based solar design and sales platform that automates PV system design, 3D modeling, and proposal generation for residential and commercial projects. It uses satellite imagery and AI to instantly create optimized layouts, shade analysis, and financial proposals from a single address input. The tool streamlines the sales process with e-signing, CRM integrations, and customer financing options, making it ideal for solar professionals.
Pros
- Completely free core platform with no subscription fees
- Rapid automated 3D design and shade analysis from address input
- Integrated sales tools including proposals, e-signing, and financing calculators
Cons
- Limited advanced customization for complex commercial projects
- Requires reliable internet access as it's fully cloud-based
- Some regional data limitations outside major markets
Best For
Solar sales teams and small-to-medium installers seeking fast, cost-free design automation to close deals quickly.
Pricing
Free for all core features; revenue from manufacturer partnerships and optional premium add-ons.
SAM
specializedFree NREL tool for modeling PV system performance, financial analysis, and optimization across various scales.
Integrated techno-economic modeling with direct access to NREL's high-resolution weather databases for site-specific simulations
SAM (System Advisor Model), developed by the National Renewable Energy Laboratory (NREL), is a free, open-source tool designed for simulating the performance and financial viability of renewable energy systems, with strong capabilities for PV solar projects. It enables users to model system configurations, weather impacts, energy yield, and economic metrics like LCOE and payback periods using validated physical models. While excellent for detailed techno-economic analysis, it lacks advanced graphical design features like 3D shading or automated layouts found in dedicated PV design software.
Pros
- Free and open-source with no licensing costs
- NREL-validated models for accurate PV performance and financial predictions
- Supports parametric studies and optimization for system sizing
Cons
- Steep learning curve requiring technical expertise
- Outdated interface with limited visualization tools
- Not optimized for PV layout design or shading analysis
Best For
Renewable energy engineers and analysts focused on precise performance modeling and financial analysis for PV projects.
Pricing
Completely free to download and use from nrel.gov.
SolarEdge Designer
specializedIntegrated web-based designer for SolarEdge PV systems with string optimization and single-line diagrams.
Automatic power optimizer-based string design that maximizes energy production by mitigating module mismatches
SolarEdge Designer is a free, web-based PV solar design software optimized for SolarEdge inverters, power optimizers, and monitoring systems. It allows users to create detailed 3D roof models, perform drag-and-drop array layouts, and automatically optimize string configurations for maximum energy yield. The tool provides accurate production simulations, bill of materials, and professional proposals, with seamless integration into SolarEdge's monitoring platform.
Pros
- Completely free with no usage limits
- Superior string optimization tailored to SolarEdge hardware
- Accurate 3D modeling and energy yield simulations
- Easy proposal generation and sharing
Cons
- Primarily optimized for SolarEdge components, less flexible for competitors
- Web-only, requires reliable internet connection
- Limited advanced analytics compared to premium tools
- Steeper learning curve for non-SolarEdge users
Best For
SolarEdge-certified installers and designers who primarily work with SolarEdge PV systems and need quick, hardware-optimized designs.
Pricing
Free for all users, no subscription required.
EasySolar
specializedUser-friendly online PV design tool for quick project visualization, calculations, and client presentations.
One-click 3D roof modeling from a single photo or drone image
EasySolar is a cloud-based PV solar design software tailored for installers, enabling rapid 3D modeling of roofs from single images or LiDAR data. It automates stringing, shading analysis, single-line diagrams, and professional proposals to streamline the sales and design process. Primarily focused on residential and small commercial projects, it emphasizes speed and ease for quick turnarounds.
Pros
- Extremely fast design workflow, often under 5 minutes per project
- Intuitive interface with automated roof extraction from photos
- Seamless integration of proposals, SLDs, and customer portals
Cons
- Limited support for large-scale commercial or utility projects
- Advanced shading and yield analysis not as sophisticated as top competitors
- Some features locked behind higher-tier subscriptions
Best For
Residential solar installers who need quick, professional designs and proposals to close sales efficiently.
Pricing
Starts at €49/user/month (Basic), €99 (Pro), €199 (Enterprise); annual discounts available.
SolarDesignTool
specializedWeb-based software for interactive solar PV system design, layout planning, and production estimates.
Nationwide high-resolution LiDAR-based shading analysis for pinpoint accuracy without site visits
SolarDesignTool is a cloud-based PV solar design software that specializes in creating accurate 3D roof models, precise shading analysis using nationwide LiDAR data, and professional proposals for residential solar installations. It automates single-line electrical diagrams (SLDs) and supports quick design iterations with drag-and-drop functionality. The platform integrates with CRM tools like Aurora Solar and Sighten, streamlining workflows for installers.
Pros
- Highly accurate near-shading analysis with LiDAR integration
- Intuitive web-based interface for fast design and proposal generation
- Strong CRM and sales tool integrations
Cons
- Limited advanced irradiance and production modeling compared to enterprise tools
- Requires reliable internet connection as it's fully cloud-based
- Some premium features locked behind higher-tier subscriptions
Best For
Small to medium-sized solar installers focused on residential proposals and quick site assessments.
Pricing
Free trial available; Pro plan starts at $99/user/month, with Enterprise options for teams.
CED Greentech
specializedAdvanced solar planning software with 3D CAD integration, string design, and project management features.
AI-driven automatic PV array layout optimization with precise shade analysis from real-world data.
CED Greentech's PV Solar Design Software, accessible via cedgreentech.com, is a cloud-based platform powered by Aurora Solar integration, allowing users to model rooftops in 3D, analyze shading, and simulate energy production for photovoltaic systems. It supports rapid design generation, proposal creation, and permitting documentation, primarily targeting residential and light commercial solar projects. The tool emphasizes accuracy through LiDAR data and AI-assisted layouts to streamline workflows for installers and designers.
Pros
- Fast 3D modeling from satellite imagery and LiDAR
- Integrated proposal and sales tools
- Reliable energy yield simulations
Cons
- Limited advanced features for large-scale utility projects
- Subscription model can be pricey for solo users
- Occasional delays in cloud rendering for complex sites
Best For
Residential solar installers and sales teams needing quick, accurate designs and proposals without heavy engineering expertise.
Pricing
Starts at approximately $150/month per user for basic plans, with tiered subscriptions up to $500+/month for advanced features and teams; often bundled with CED Greentech hardware purchases.
Conclusion
The reviewed tools showcase diverse strengths, with Aurora Solar emerging as the top choice for its AI-driven automation and integrated design features. Helioscope leads for commercial-scale projects with advanced 3D capabilities, while PVsyst remains a benchmark for detailed performance and financial modeling, ensuring there’s a standout option for every project need.
Begin with Aurora Solar to streamline your solar design process and create impactful solutions efficiently.
Tools Reviewed
All tools were independently evaluated for this comparison
Referenced in the comparison table and product reviews above.