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#2 Aurora Solar
Comprehensive cloud‑based design suite with advanced shading analysis, 3‑D modeling, and automated proposal creation.
#3 HelioScope
Fast, accurate PV system design tool that combines layout optimization with performance modeling and financial analysis.
#4 PVsyst
Industry‑standard desktop software for detailed PV system simulation, shading studies, and energy yield forecasting.
Web‑based platform offering 3‑D site modeling, shade analysis, and instant proposal PDFs for residential and commercial projects.
Integrated design and optimization tool for SolarEdge inverters and optimizers, with automatic layout and performance reports.
#7 Solargraf
All‑in‑one proposal software that combines design, pricing, and contract generation with a drag‑and‑drop interface.
#8 OpenSolar
Free, open‑source solar design platform that produces interactive 3‑D designs, shade analysis, and client‑ready proposals.
#9 PV*SOL
3‑D simulation software for designing and analyzing PV systems, including shading, temperature, and loss calculations.
#10 SolarNexus
Enterprise‑grade design and sales automation platform with real‑time shading analysis and customizable proposal templates.
#11 SunDAT
Data‑driven design tool that pulls satellite imagery for rapid site assessment, layout creation, and financial modeling.
#12 Sungevity Design
Cloud‑based design suite focused on residential solar, offering automated layout, shading, and proposal generation.
Marketplace‑integrated design engine that creates instant proposals with performance estimates and financing options.
3‑D modeling platform enhanced with solar analysis extensions for shading, orientation, and energy output calculations.
NREL’s free software for detailed performance and financial modeling of PV systems, often paired with design tools.
Web‑based design tool that leverages Solargis solar resource data for accurate yield predictions and proposal creation.
#17 PowerHub
Enterprise platform that combines design, permitting, and sales automation with real‑time performance monitoring.
#18 SolarPlanner
Lightweight web app for quick site layout, shading analysis, and instant proposal PDFs for small‑scale installers.
Advanced version of HelioScope with multi‑year financial modeling, custom reporting, and API integration.
#20 PVComplete
End‑to‑end design workflow that integrates CAD, shading analysis, and automated proposal generation.
Specialized tool for designing solar canopies and car‑port solutions with structural load calculations and proposal export.