Quick Overview
- 1#1: Aurora Solar - AI-powered platform for solar PV design, sales proposals, and performance analysis.
- 2#2: PVsyst - Advanced PV system simulation software for detailed performance modeling and optimization.
- 3#3: HelioScope - Cloud-based tool for rapid layout and energy yield modeling of utility-scale PV projects.
- 4#4: PV*SOL - 3D shading analysis and PV system design software for residential and commercial installations.
- 5#5: OpenSolar - Free cloud-based solar design and CRM platform for creating professional PV proposals.
- 6#6: SAM - Free tool from NREL for simulating PV system performance, cost, and financial metrics.
- 7#7: BlueSol - Comprehensive PV design software with electrical schematics and simulation capabilities.
- 8#8: EasySolar - Online PV design generator for quick proposals with 3D visualizations and financial analysis.
- 9#9: SolarEdge Designer - Web-based tool for optimizing PV string design and system layout with SolarEdge hardware.
- 10#10: Enphase Designer - Design platform for Enphase microinverter-based PV systems with layout and yield predictions.
Tools were ranked based on feature depth, performance reliability, user-friendliness, and value, considering factors like 3D modeling, financial analysis, and compatibility with residential, commercial, or utility-scale projects
Comparison Table
This comparison table examines top PV design software tools, including Aurora Solar, PVsyst, HelioScope, PV*SOL, and OpenSolar, offering a clear overview of each. It highlights key features, workflow efficiency, and compatibility to help readers identify the most suitable option for their solar energy project needs.
| # | Tool | Category | Overall | Features | Ease of Use | Value |
|---|---|---|---|---|---|---|
| 1 | Aurora Solar AI-powered platform for solar PV design, sales proposals, and performance analysis. | enterprise | 9.5/10 | 9.8/10 | 9.2/10 | 8.7/10 |
| 2 | PVsyst Advanced PV system simulation software for detailed performance modeling and optimization. | specialized | 9.1/10 | 9.6/10 | 7.2/10 | 8.4/10 |
| 3 | HelioScope Cloud-based tool for rapid layout and energy yield modeling of utility-scale PV projects. | enterprise | 8.7/10 | 9.2/10 | 8.1/10 | 7.9/10 |
| 4 | PV*SOL 3D shading analysis and PV system design software for residential and commercial installations. | specialized | 8.7/10 | 9.4/10 | 7.6/10 | 8.1/10 |
| 5 | OpenSolar Free cloud-based solar design and CRM platform for creating professional PV proposals. | specialized | 8.7/10 | 8.5/10 | 9.2/10 | 9.8/10 |
| 6 | SAM Free tool from NREL for simulating PV system performance, cost, and financial metrics. | specialized | 8.4/10 | 8.8/10 | 7.2/10 | 10/10 |
| 7 | BlueSol Comprehensive PV design software with electrical schematics and simulation capabilities. | specialized | 8.2/10 | 9.1/10 | 7.4/10 | 7.9/10 |
| 8 | EasySolar Online PV design generator for quick proposals with 3D visualizations and financial analysis. | specialized | 8.2/10 | 8.4/10 | 8.8/10 | 7.7/10 |
| 9 | SolarEdge Designer Web-based tool for optimizing PV string design and system layout with SolarEdge hardware. | enterprise | 7.8/10 | 7.5/10 | 8.5/10 | 9.5/10 |
| 10 | Enphase Designer Design platform for Enphase microinverter-based PV systems with layout and yield predictions. | enterprise | 7.8/10 | 8.2/10 | 7.9/10 | 9.1/10 |
AI-powered platform for solar PV design, sales proposals, and performance analysis.
Advanced PV system simulation software for detailed performance modeling and optimization.
Cloud-based tool for rapid layout and energy yield modeling of utility-scale PV projects.
3D shading analysis and PV system design software for residential and commercial installations.
Free cloud-based solar design and CRM platform for creating professional PV proposals.
Free tool from NREL for simulating PV system performance, cost, and financial metrics.
Comprehensive PV design software with electrical schematics and simulation capabilities.
Online PV design generator for quick proposals with 3D visualizations and financial analysis.
Web-based tool for optimizing PV string design and system layout with SolarEdge hardware.
Design platform for Enphase microinverter-based PV systems with layout and yield predictions.
Aurora Solar
enterpriseAI-powered platform for solar PV design, sales proposals, and performance analysis.
Autonomous Solar Design (ASD) AI that automatically generates production-optimized PV system designs in minutes
Aurora Solar is a cloud-based solar PV design and sales platform that leverages high-resolution satellite imagery, LiDAR data, and AI to create accurate 3D roof models and optimize system layouts. It streamlines the entire workflow from site assessment and design to proposal generation, financial modeling, and customer approvals. The software supports residential, commercial, and utility-scale projects with real-time collaboration tools for teams.
Pros
- AI-powered Autonomous Design for rapid, optimized PV layouts
- Seamless integration of 3D modeling, shading analysis, and financial tools
- Cloud-based collaboration and mobile app for field use
Cons
- High subscription costs may deter small operations
- Internet dependency limits offline access
- Steep learning curve for advanced customization
Best For
Solar EPCs, installers, and sales teams needing end-to-end automation for residential and commercial PV projects.
Pricing
Subscription tiers start at ~$145/user/month for Essentials, up to custom Enterprise plans with advanced features.
PVsyst
specializedAdvanced PV system simulation software for detailed performance modeling and optimization.
Near-field shading simulation with 3D CAD import for horizon and obstacle modeling
PVsyst is a leading photovoltaic (PV) system design and simulation software used by engineers worldwide for detailed performance modeling of solar installations. It excels in simulating grid-connected, off-grid, and pumping systems, incorporating precise meteorological data, component databases, and advanced shading analysis. The tool provides comprehensive reports on energy yield, losses, and financial metrics, making it essential for accurate project feasibility studies.
Pros
- Exceptionally accurate simulation engine validated against real-world data
- Vast database of PV modules, inverters, and meteo stations
- Advanced 3D shading scene modeling and horizon analysis
Cons
- Steep learning curve for beginners
- High cost with no free tier or trial beyond demo
- Desktop-only application lacking cloud collaboration features
Best For
Professional PV engineers and consultants designing utility-scale or complex commercial solar projects requiring precise performance predictions.
Pricing
Annual license ~€1,200; perpetual license ~€3,000 (excl. VAT); educational discounts available.
HelioScope
enterpriseCloud-based tool for rapid layout and energy yield modeling of utility-scale PV projects.
Autopilot automated design optimizer for rapid terrain-aware PV layouts
HelioScope is a cloud-based solar PV design software tailored for utility-scale projects, enabling rapid system layout, detailed energy yield simulations, and financial analysis. It excels in automating design processes with topographic awareness, row-level shading calculations, and optimization tools to maximize energy production. The platform supports collaborative workflows and integrates seamlessly with other solar tools for comprehensive project planning.
Pros
- Lightning-fast simulations and layout optimization for large-scale projects
- Highly accurate row-level shading and production modeling
- Integrated financial modeling and collaborative cloud-based interface
Cons
- Primarily suited for utility-scale; limited for residential or C&I
- Subscription pricing can be steep for smaller firms
- Requires stable internet; some advanced features have a learning curve
Best For
Utility-scale solar developers and EPC firms needing quick, precise designs for ground-mounted projects over 1MW.
Pricing
Subscription-based with tiered plans; custom quotes typically start at $500+/month based on users and projects.
PV*SOL
specialized3D shading analysis and PV system design software for residential and commercial installations.
Advanced 3D shading analysis integrating fisheye photos, 360° panoramas, or drone/LiDAR data for pixel-accurate simulations
PV*SOL from Valentin Software is a professional-grade PV design and simulation tool that enables detailed planning of grid-connected and standalone photovoltaic systems. It features advanced 3D modeling for roofs and surroundings, precise shading analysis using fisheye photos or LiDAR data, and accurate yield forecasts based on real meteorological data. The software includes extensive databases for PV modules, inverters, batteries, and other components, along with economic and grid integration analyses.
Pros
- Vast, regularly updated database of PV components
- Highly accurate 3D shading and yield simulation
- Comprehensive reporting and economic analysis tools
Cons
- Steep learning curve for new users
- High upfront cost
- Primarily Windows-only with limited mobile support
Best For
Professional PV engineers and system designers tackling complex residential, commercial, or off-grid projects requiring precise simulations.
Pricing
Perpetual license for PV*SOL premium starts at around €1,900, with optional annual maintenance (~€500) and a free basic online version available.
OpenSolar
specializedFree cloud-based solar design and CRM platform for creating professional PV proposals.
One-click automated 3D design and fully branded proposal generation in minutes
OpenSolar is a cloud-based solar design and sales platform that automates the creation of professional PV system designs, 3D models, and financial proposals for residential and commercial projects. It streamlines the sales process with tools for site analysis, equipment selection, shading estimates, and customizable customer presentations. The software integrates with CRM systems and offers mobile access for on-site work, making it efficient for solar installers and sales teams.
Pros
- Completely free with unlimited designs and proposals
- Intuitive drag-and-drop interface and fast 3D rendering
- Built-in financial modeling and CRM integrations for sales efficiency
Cons
- Limited advanced engineering tools for complex commercial projects
- Shading and production analysis not as precise as premium competitors
- Cloud-only, requiring reliable internet access
Best For
Solar sales teams and small-to-medium residential installers prioritizing speed, cost savings, and proposal generation over deep engineering analysis.
Pricing
Free for all features with unlimited use; premium support and integrations available via paid add-ons.
SAM
specializedFree tool from NREL for simulating PV system performance, cost, and financial metrics.
Integrated parametric financial analysis coupled with physics-based performance simulation
The System Advisor Model (SAM) from NREL is a free, open-source software for simulating the performance and financial viability of renewable energy systems, with robust PV modeling capabilities including detailed system configuration, weather data integration, and energy yield predictions. It supports parametric analysis, degradation modeling, and comprehensive financial metrics like LCOE and cash flows. Primarily used for feasibility studies rather than full layout design, SAM excels in accurate, research-validated simulations backed by NREL expertise.
Pros
- Completely free with no licensing costs
- Highly accurate NREL-validated physical and financial models
- Extensive libraries for modules, inverters, and TMY weather data
Cons
- Steep learning curve due to complex interface
- Limited 3D visualization and automated design tools
- Dated user interface lacking modern polish
Best For
PV engineers and analysts conducting detailed performance simulations and financial modeling for project feasibility.
Pricing
Free to download and use indefinitely, with no paid tiers.
BlueSol
specializedComprehensive PV design software with electrical schematics and simulation capabilities.
Integrated sol3D module for precise 3D modeling and dynamic shading analysis on complex structures
BlueSol is a professional photovoltaic design software developed by BlueSol Italia, enabling detailed sizing, simulation, and economic analysis of grid-connected, stand-alone, and hybrid PV systems. It features hourly and yearly performance simulations, 3D shading analysis, electrical schematic generation, and compliance with international standards like IEC 61724. The tool supports a vast database of modules, inverters, and batteries, making it suitable for complex engineering projects.
Pros
- Comprehensive simulation tools including hourly/yearly analysis and 3D shading
- Extensive component database with thousands of modules and inverters
- Automatic generation of professional reports, schematics, and normative compliance documents
Cons
- Steep learning curve for beginners due to dense professional interface
- Windows-only compatibility, no native Mac or web version
- Relatively high pricing for small-scale users or freelancers
Best For
Professional PV engineers and engineering firms handling large-scale or complex solar projects requiring detailed documentation and simulations.
Pricing
Annual licenses start at €990 for basic edition, up to €2,500+ for advanced modules; perpetual licenses available with maintenance fees.
EasySolar
specializedOnline PV design generator for quick proposals with 3D visualizations and financial analysis.
One-click 3D roof modeling from satellite imagery in under 2 minutes
EasySolar is a cloud-based PV design software tailored for solar installers and distributors, allowing users to create detailed 3D PV system designs rapidly using satellite imagery, aerial photos, or manual sketching. It automates energy yield calculations, shading analysis, and generates professional sales proposals with one-click exports. The platform integrates seamlessly with CRM and ERP systems to streamline the design-to-installation workflow.
Pros
- Extremely fast design process with automatic roof detection from satellite images
- Professional proposal generation with customizable templates
- Strong integrations with CRM, ERP, and invoicing tools
Cons
- Limited advanced simulation options compared to premium tools like Aurora
- Subscription model can get expensive for high-volume users
- Less robust mobile app functionality for on-site adjustments
Best For
Solar installers and wholesalers seeking quick, sales-oriented PV designs without deep engineering simulations.
Pricing
Starts at €49/month per user for basic plan; scales to €199+/month for advanced features and unlimited projects.
SolarEdge Designer
enterpriseWeb-based tool for optimizing PV string design and system layout with SolarEdge hardware.
Automated power optimizer placement and string design for maximum energy yield
SolarEdge Designer is a free, web-based PV system design tool tailored for SolarEdge inverters, power optimizers, and energy storage. It allows users to model rooftops in 3D, analyze shading, optimize string layouts automatically, and generate detailed proposals with performance simulations. The platform integrates seamlessly with SolarEdge's monitoring ecosystem for post-installation validation.
Pros
- Completely free with no usage limits
- Intuitive drag-and-drop interface for quick designs
- Automatic string and optimizer optimization for efficiency
Cons
- Limited compatibility with non-SolarEdge components
- Web-only access requires reliable internet
- Fewer advanced irradiance and financial modeling tools
Best For
SolarEdge installers and designers seeking a simple, cost-free tool for hardware-optimized PV layouts.
Pricing
Free for all users.
Enphase Designer
enterpriseDesign platform for Enphase microinverter-based PV systems with layout and yield predictions.
Deep Enphase ecosystem integration for microinverter-specific optimization and one-click permitting packages
Enphase Designer is a cloud-based PV design tool optimized for systems using Enphase microinverters, IQ Batteries, and related hardware. It offers 3D rooftop modeling, shade analysis with LiDAR integration, energy yield predictions, and automated proposal and single-line diagram generation. The software streamlines design-to-install workflows through tight integration with Enphase's ecosystem, including Illuminate for permitting.
Pros
- Seamless integration with Enphase hardware for accurate microinverter-level modeling
- High-quality 3D visualizations and LiDAR-based shade analysis
- Free access and automated permitting via Enphase Illuminate
Cons
- Limited flexibility for non-Enphase components
- Requires Enphase certification for full features
- Internet-dependent with occasional performance lags
Best For
Enphase-certified installers focused on residential solar-plus-storage systems using Enphase products.
Pricing
Free for Enphase Certified Installers and partners; no subscription fees.
Conclusion
The reviewed tools offer a strong array of options, with Aurora Solar leading as the top choice, thanks to its AI-driven capabilities that enhance solar design, sales proposals, and performance analysis. PVsyst, excelling in detailed simulation and optimization, and HelioScope, renowned for rapid utility-scale modeling, stand out as robust alternatives, ensuring the right tool for various needs.
Begin your solar design journey with Aurora Solar—its intuitive AI features can transform your projects, combining efficiency and precision to deliver exceptional results.
Tools Reviewed
All tools were independently evaluated for this comparison
