Top 10 Best Solar Installation Software of 2026

Aurora Solar is a comprehensive cloud-based platform designed for solar professionals, offering advanced 3D modeling, design automation, and sales tools to streamline solar project workflows. It leverages satellite imagery, LiDAR data, and AI-driven analysis for precise rooftop designs, shade modeling, and energy production forecasts. The software also includes financial modeling, proposal generation, CRM integrations, and permitting support, making it an end-to-end solution for solar installers and sales teams.

OpenSolar is a cloud-based solar design and sales platform that empowers solar installers to create accurate 3D system designs, financial proposals, and manage projects end-to-end. It automates shading analysis, component optimization, and integrates with major inverter and panel databases for precise engineering. The software streamlines the sales process with customizable proposals, customer portals, and CRM tools, making it ideal for scaling solar businesses efficiently.

HelioScope by Folsom Maps is a cloud-based solar PV design and engineering software optimized for utility-scale and commercial solar projects. It excels in high-fidelity modeling of irradiance, shading via LiDAR-derived terrain data, and automated array layout optimization to maximize energy yield. The platform supports detailed financial analysis, report generation, and collaboration for engineering teams.

PVsyst is a professional-grade software for detailed design, simulation, and performance analysis of photovoltaic (PV) systems, including grid-connected, off-grid, and solar pumping configurations. It provides precise energy yield predictions using extensive meteorological data, component databases, and advanced modeling of losses like shading and soiling. Widely used by engineers, it generates comprehensive reports for system optimization and financial assessments.

PV*SOL from Valentin Software is a professional desktop application for designing, simulating, and optimizing grid-connected and off-grid photovoltaic systems. It features advanced 3D modeling of roofs and surroundings for precise shading analysis, extensive databases of modules and inverters, and detailed yield predictions based on real weather data. The software generates professional reports, single-line diagrams, and economic evaluations to support installers in planning efficient PV installations.

Solargraf is an all-in-one solar software platform designed for installers, offering 3D modeling, proposal generation, project management, permitting, and financial tools. It automates the full solar project lifecycle from design to installation and financing. With AI-powered features, it supports both residential and commercial projects efficiently.

Arka360 is a cloud-based software platform tailored for solar installation businesses, offering tools for 3D roof modeling, solar system design, proposal generation, and CRM management. It streamlines the sales process with AR/VR visualizations, allowing installers to create immersive client presentations directly from satellite imagery. The platform also supports project tracking, inventory management, and team collaboration to handle end-to-end solar projects efficiently.

EasySolar is a specialized software platform for solar installers, enabling rapid 3D design of photovoltaic systems using satellite imagery and AI-assisted tools. It automates system sizing, energy yield calculations, financial modeling, and professional proposal generation to accelerate sales cycles. The solution also includes CRM features, mobile app support for fieldwork, and integrations for streamlined project management.

SAM (System Advisor Model) from NREL is a free, open-source software for simulating the performance and financial viability of renewable energy systems, with comprehensive support for solar PV, CSP, and other technologies. It enables detailed modeling of energy production, levelized cost of energy (LCOE), cash flows, and incentives based on user-defined system parameters and TMY weather data. While powerful for feasibility studies and optimization, it focuses on techno-economic analysis rather than graphical design or installation planning.

SolarEdge Designer is a free, cloud-based software tool for designing residential and commercial solar PV systems, primarily optimized for SolarEdge inverters, power optimizers, and batteries. It allows users to model roofs in 3D, perform automatic stringing and layout optimization, and generate detailed proposals, single-line diagrams, and permit-ready documentation. The platform simulates energy production with high accuracy, factoring in shading and real-world conditions specific to SolarEdge hardware.