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#2 Aurora Solar
Comprehensive SaaS for residential and commercial PV design, shading analysis, and automated proposal creation with real‑time financials.
Web‑based PV layout and performance modeling tool with intuitive UI, detailed loss analysis, and seamless integration with ERP systems.
#4 PVSyst
Industry‑standard desktop software for detailed system sizing, shading studies, and energy yield simulation for utility‑scale projects.
Free NREL‑developed tool for performance modeling, financial analysis, and sensitivity studies across a wide range of solar technologies.
#6 PV*SOL
3‑D simulation software for designing and optimizing PV systems, offering shading analysis, battery storage modeling, and detailed reports.
Online design suite focused on SolarEdge inverter and optimizer solutions, with quick layout tools and performance estimates.
Free, open‑source 3‑D solar design platform for residential and commercial projects, supporting shading, module placement, and exportable reports.
Web‑based planner offering high‑resolution solar resource data, performance simulation, and proposal generation for large‑scale farms.
#10 PVComplete
End‑to‑end cloud solution for utility‑scale PV design, from site assessment and layout to detailed electrical schematics and bid packages.
Integrated design suite for solar and storage projects, featuring 3‑D layout, cable routing, and automated BOM generation.
Combines PVSyst’s simulation engine with a modern web UI for rapid layout, shading analysis, and financial modeling.
Online tool for quick site layout, module placement, and performance estimation, optimized for Tigo’s optimizer hardware.
#14 SunDAT
Data‑driven design platform that uses satellite imagery and AI to generate site‑specific solar layouts and yield forecasts.
#15 OpenSolar
Free, cloud‑based solar design and proposal software focused on residential installers, with drag‑and‑drop layout and instant financing offers.
#16 SolarCalc
Lightweight web app for quick PV system sizing, shading analysis, and cost‑benefit proposals, ideal for small‑scale projects.
Marketplace‑integrated design tool that creates custom residential proposals, including financing options and installer matching.
#18 HelioDesigner
3‑D solar farm layout software with advanced terrain handling, cable routing, and exportable CAD files for EPC workflows.
#19 PV Planner Pro
Desktop application for utility‑scale layout, detailed loss modeling, and automated report packs compatible with major EPC standards.
Comprehensive design suite offering site analysis, 3‑D modeling, electrical design, and integration with Trimble’s construction workflow tools.
Tailored design platform for SunPower’s high‑efficiency modules, providing quick layout, performance forecasts, and sales‑ready proposals.