Top 10 Best Solar Pv Software of 2026

PVsyst is the industry-leading software for detailed design, simulation, and performance analysis of photovoltaic (PV) systems. It enables precise modeling of PV modules, inverters, trackers, and batteries, incorporating high-resolution meteorological data, shading effects, and system losses for accurate energy yield predictions. Widely used by engineers worldwide, it supports grid-connected, off-grid, and pumping systems with comprehensive economic and optimization tools.

Aurora Solar is a leading cloud-based solar PV design and sales platform that uses AI-driven 3D modeling, satellite imagery, and LIDAR data to create highly accurate solar system proposals. It automates shading analysis, panel optimization, energy yield predictions, and financial modeling to streamline the design-to-sale process for solar professionals. The software supports full project lifecycles, from initial site assessments to permitting and incentives tracking.

Helioscope is a cloud-based solar PV design and engineering platform specialized for utility-scale projects, enabling rapid 3D modeling, shading analysis, and energy production forecasting. It supports detailed site layout optimization, financial modeling, and proposal generation to streamline the engineering workflow. The software excels in handling large-scale arrays with high accuracy and speed, making it ideal for complex commercial and utility installations.

PV*SOL premium is a professional-grade software for detailed design, simulation, and optimization of grid-connected and standalone photovoltaic systems. It excels in 3D modeling of roofs and surroundings, precise shading analysis, and accurate yield predictions under real-world conditions. The tool includes extensive databases of PV modules, inverters, batteries, and supports economic evaluations and grid integration studies.

The System Advisor Model (SAM) is a free, open-source desktop application developed by the National Renewable Energy Laboratory (NREL) for techno-economic modeling of renewable energy systems, with robust capabilities for solar PV projects. It simulates hourly energy production, system performance ratios, capacity factors, and financial metrics like LCOE using physics-based models, detailed weather data, and component libraries. SAM supports various PV configurations including fixed-tilt, tracking systems, and bifacial modules, while integrating storage, shading, and degradation effects for accurate long-term projections.

OpenSolar is a cloud-based solar design and sales platform that allows installers to create accurate 3D PV system designs, perform shade analysis, and generate professional proposals in minutes. It integrates CRM tools, financial modeling, and customer portals to streamline the entire sales process from site assessment to contract signing. Primarily targeted at residential solar, it supports quick iterations and collaboration for sales teams.

SolarEdge Designer is a free, web-based platform for designing, simulating, and optimizing solar PV systems, primarily tailored for SolarEdge hardware like inverters, power optimizers, and batteries. It enables users to model rooftops using satellite imagery and 3D tools, perform energy yield simulations with hourly weather data, and generate professional reports including single-line diagrams. Ideal for installers and engineers, it streamlines the design process with automatic string optimization and shading analysis.

HOMER Pro is a leading software for optimizing hybrid renewable energy systems, including solar PV, wind, batteries, and diesel generators, by simulating thousands of configurations to identify the least-cost solution. It excels in modeling grid-tied, off-grid, and microgrid applications with detailed economic, technical, and risk analyses. Users can perform sensitivity studies and dispatch optimizations to evaluate system performance under varying conditions.

BlueSol is a professional software suite specialized in the design, simulation, and economic analysis of photovoltaic (PV) systems, both grid-connected and standalone. It features a vast component database, 3D shading analysis, and detailed energy production forecasts based on hourly simulations. The tool also supports solar thermal systems and generates compliant technical reports for regulatory submissions, making it popular among European installers and engineers.

EasySolar is a cloud-based platform designed for solar PV professionals, enabling rapid design of photovoltaic systems directly from satellite imagery or roof photos. It automates 3D modeling, shading analysis, financial calculations, and proposal generation to streamline the sales and installation process. The software also includes CRM tools, invoicing, and mobile access for on-site use, making it suitable for installers and sales teams.