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Environment Energy

Top 10 Best Pv Design Software of 2026

Explore top 10 Pv design software to simplify solar projects. Compare features, find the best fit—start designing today!

Min-ji Park

Min-ji Park

Feb 11, 2026

10 tools comparedExpert reviewed
Independent evaluation · Unbiased commentary · Updated regularly
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PV design software is critical for optimizing system performance, ensuring regulatory compliance, and streamlining project workflows—with options ranging from AI-powered platforms to free tools, selecting the right solution directly impacts accuracy, efficiency, and success. This curated list explores the best tools to meet diverse project needs.

Quick Overview

  1. 1#1: Aurora Solar - AI-powered platform for solar PV design, sales proposals, and performance analysis.
  2. 2#2: PVsyst - Advanced PV system simulation software for detailed performance modeling and optimization.
  3. 3#3: HelioScope - Cloud-based tool for rapid layout and energy yield modeling of utility-scale PV projects.
  4. 4#4: PV*SOL - 3D shading analysis and PV system design software for residential and commercial installations.
  5. 5#5: OpenSolar - Free cloud-based solar design and CRM platform for creating professional PV proposals.
  6. 6#6: SAM - Free tool from NREL for simulating PV system performance, cost, and financial metrics.
  7. 7#7: BlueSol - Comprehensive PV design software with electrical schematics and simulation capabilities.
  8. 8#8: EasySolar - Online PV design generator for quick proposals with 3D visualizations and financial analysis.
  9. 9#9: SolarEdge Designer - Web-based tool for optimizing PV string design and system layout with SolarEdge hardware.
  10. 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.

AI-powered platform for solar PV design, sales proposals, and performance analysis.

Features
9.8/10
Ease
9.2/10
Value
8.7/10
2PVsyst logo9.1/10

Advanced PV system simulation software for detailed performance modeling and optimization.

Features
9.6/10
Ease
7.2/10
Value
8.4/10
3HelioScope logo8.7/10

Cloud-based tool for rapid layout and energy yield modeling of utility-scale PV projects.

Features
9.2/10
Ease
8.1/10
Value
7.9/10
4PV*SOL logo8.7/10

3D shading analysis and PV system design software for residential and commercial installations.

Features
9.4/10
Ease
7.6/10
Value
8.1/10
5OpenSolar logo8.7/10

Free cloud-based solar design and CRM platform for creating professional PV proposals.

Features
8.5/10
Ease
9.2/10
Value
9.8/10
6SAM logo8.4/10

Free tool from NREL for simulating PV system performance, cost, and financial metrics.

Features
8.8/10
Ease
7.2/10
Value
10/10
7BlueSol logo8.2/10

Comprehensive PV design software with electrical schematics and simulation capabilities.

Features
9.1/10
Ease
7.4/10
Value
7.9/10
8EasySolar logo8.2/10

Online PV design generator for quick proposals with 3D visualizations and financial analysis.

Features
8.4/10
Ease
8.8/10
Value
7.7/10

Web-based tool for optimizing PV string design and system layout with SolarEdge hardware.

Features
7.5/10
Ease
8.5/10
Value
9.5/10

Design platform for Enphase microinverter-based PV systems with layout and yield predictions.

Features
8.2/10
Ease
7.9/10
Value
9.1/10
1
Aurora Solar logo

Aurora Solar

enterprise

AI-powered platform for solar PV design, sales proposals, and performance analysis.

Overall Rating9.5/10
Features
9.8/10
Ease of Use
9.2/10
Value
8.7/10
Standout Feature

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.

Visit Aurora Solaraurorasolar.com
2
PVsyst logo

PVsyst

specialized

Advanced PV system simulation software for detailed performance modeling and optimization.

Overall Rating9.1/10
Features
9.6/10
Ease of Use
7.2/10
Value
8.4/10
Standout Feature

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.

Visit PVsystpvsyst.com
3
HelioScope logo

HelioScope

enterprise

Cloud-based tool for rapid layout and energy yield modeling of utility-scale PV projects.

Overall Rating8.7/10
Features
9.2/10
Ease of Use
8.1/10
Value
7.9/10
Standout Feature

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.

Visit HelioScopehelioscope.com
4
PV*SOL logo

PV*SOL

specialized

3D shading analysis and PV system design software for residential and commercial installations.

Overall Rating8.7/10
Features
9.4/10
Ease of Use
7.6/10
Value
8.1/10
Standout Feature

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.

Visit PV*SOLvalentin-software.com
5
OpenSolar logo

OpenSolar

specialized

Free cloud-based solar design and CRM platform for creating professional PV proposals.

Overall Rating8.7/10
Features
8.5/10
Ease of Use
9.2/10
Value
9.8/10
Standout Feature

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.

Visit OpenSolaropensolar.com
6
SAM logo

SAM

specialized

Free tool from NREL for simulating PV system performance, cost, and financial metrics.

Overall Rating8.4/10
Features
8.8/10
Ease of Use
7.2/10
Value
10/10
Standout Feature

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.

Visit SAMnrel.gov/analysis/sam
7
BlueSol logo

BlueSol

specialized

Comprehensive PV design software with electrical schematics and simulation capabilities.

Overall Rating8.2/10
Features
9.1/10
Ease of Use
7.4/10
Value
7.9/10
Standout Feature

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.

Visit BlueSolbluesol.it
8
EasySolar logo

EasySolar

specialized

Online PV design generator for quick proposals with 3D visualizations and financial analysis.

Overall Rating8.2/10
Features
8.4/10
Ease of Use
8.8/10
Value
7.7/10
Standout Feature

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.

Visit EasySolareasysolar.app
9
SolarEdge Designer logo

SolarEdge Designer

enterprise

Web-based tool for optimizing PV string design and system layout with SolarEdge hardware.

Overall Rating7.8/10
Features
7.5/10
Ease of Use
8.5/10
Value
9.5/10
Standout Feature

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.

10
Enphase Designer logo

Enphase Designer

enterprise

Design platform for Enphase microinverter-based PV systems with layout and yield predictions.

Overall Rating7.8/10
Features
8.2/10
Ease of Use
7.9/10
Value
9.1/10
Standout Feature

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.

Aurora Solar logo
Our Top Pick
Aurora Solar

Begin your solar design journey with Aurora Solar—its intuitive AI features can transform your projects, combining efficiency and precision to deliver exceptional results.